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Outputs (103)

Differences in Biomechanical Determinants of ACL Injury Risk in Change of Direction Tasks Between Males and Females: A Systematic Review and Meta-Analysis (2024)
Journal Article
Donelon, T. A., Edwards, J., Brown, M., Jones, P. A., O’Driscoll, J., & Dos’Santos, T. (in press). Differences in Biomechanical Determinants of ACL Injury Risk in Change of Direction Tasks Between Males and Females: A Systematic Review and Meta-Analysis. Sports Medicine - Open, 10(1), 29. https://doi.org/10.1186/s40798-024-00701-z

Background: Change of direction (COD) movements are associated with non-contact anterior cruciate ligament (ACL) injuries in multidirectional sports. Females appear at increased risk compared to males, which could be attributable to whole body kinema... Read More about Differences in Biomechanical Determinants of ACL Injury Risk in Change of Direction Tasks Between Males and Females: A Systematic Review and Meta-Analysis.

Most common movements preceding goal scoring situations in female professional soccer. (2023)
Journal Article
Martínez-Hernández, D., Quinn, M., & Jones, P. (in press). Most common movements preceding goal scoring situations in female professional soccer. Science and Medicine in Football, 1-9. https://doi.org/10.1080/24733938.2023.2214106

This study aimed to assess movements occurring during goal scoring situations in a female professional league.Data from all the goals on the Women's Super League 2018/2019 were collected through time-motion analysis using a modified version of the Bl... Read More about Most common movements preceding goal scoring situations in female professional soccer..

Manipulation of task constraints is the most effective motor learning method for reducing risk factors for ACL injury during side-step cutting in both male and female athletes (2023)
Journal Article
Mohammadi Orangi, B., Dehghani, M., & Jones, P. A. (2023). Manipulation of task constraints is the most effective motor learning method for reducing risk factors for ACL injury during side-step cutting in both male and female athletes. Research in Sports Medicine, 1-17. https://doi.org/10.1080/15438627.2023.2209248

This study compared the efficacy of linear, non-linear and differential methods on variables related to ACL injury risk of a side-step cutting task in male and female basketball players. Thirty males and thirty females practiced basketball skills in... Read More about Manipulation of task constraints is the most effective motor learning method for reducing risk factors for ACL injury during side-step cutting in both male and female athletes.

Inter-Professional and Methodological Agreement in Using the Cutting Movement Assessment Score (CMAS) (2023)
Journal Article
A. Jones, P., Rai, A., Dos’Santos, T., & Herrington, L. (2023). Inter-Professional and Methodological Agreement in Using the Cutting Movement Assessment Score (CMAS). Biomechanics, 3(2), 181-192. https://doi.org/10.3390/biomechanics3020016

Background: The cutting movement assessment score (CMAS) provides a qualitative assessment of the side-step cutting (S-SC) technique. Previous research has been undertaken primarily by biomechanists experienced with S-SC evaluations. Little is known... Read More about Inter-Professional and Methodological Agreement in Using the Cutting Movement Assessment Score (CMAS).

Attacking Agility Actions: Match Play Contextual Applications With Coaching and Technique Guidelines (2022)
Journal Article
Dos'Santos, T., McBurnie, A., Thomas, C., Jones, P. A., & Harper, D. (2022). Attacking Agility Actions: Match Play Contextual Applications With Coaching and Technique Guidelines. Strength and Conditioning Journal, 44(5), 102-118. https://doi.org/10.1519/ssc.0000000000000697

Attacking agility actions, such as side steps, shuffle steps, crossover cutting, split steps, spins, decelerations, and sharp turns, are important maneuvers in invasion team sports, often linked with decisive match winning moments. Generally, the aim... Read More about Attacking Agility Actions: Match Play Contextual Applications With Coaching and Technique Guidelines.

The reliability of lower limb 3D gait analysis variables during a change of direction to 90- and 135-degree manoeuvres in recreational soccer players (2022)
Journal Article
Alhammad, A., Herrington, L., Jones, P., Walthomali, O., & Jones, R. (2022). The reliability of lower limb 3D gait analysis variables during a change of direction to 90- and 135-degree manoeuvres in recreational soccer players. Journal of Back and Musculoskeletal Rehabilitation, 36(1), 173-180. https://doi.org/10.3233/BMR-210351

Several biomechanical outcomes are being used to monitor the risk of injuries; therefore, their reliability and measurement errors need to be known. To measure the reliability and measurement error in lower limb 3D gait analysis outcomes during a 90∘... Read More about The reliability of lower limb 3D gait analysis variables during a change of direction to 90- and 135-degree manoeuvres in recreational soccer players.

Countermovement jump force−time curve analysis between strength-matched male and female soccer players (2022)
Journal Article
Thomas, C., Jones, P., & Dos’Santos, T. (2022). Countermovement jump force−time curve analysis between strength-matched male and female soccer players. International Journal of Environmental Research and Public Health, 19(6), e3352. https://doi.org/10.3390/ijerph19063352

The purpose of this study was to compare countermovement jump force−time measures between strength-matched male and female soccer players. Males (n = 11) and females (n = 11) were strength-matched via isometric mid-thigh pull testing, whereby peak fo... Read More about Countermovement jump force−time curve analysis between strength-matched male and female soccer players.

Agility demands of Gaelic football match-play : a time-motion Analysis (2022)
Journal Article
Talty, P., McGuigan, K., Quinn, M., & Jones, P. (2022). Agility demands of Gaelic football match-play : a time-motion Analysis. International Journal of Performance Analysis in Sport, https://doi.org/10.1080/24748668.2022.2033519

Research into the physical demands of Gaelic football is limited with no research into the agility or change of direction (CoD) demands of the sport. This study examined the CoD demands of Gaelic football via a time-motion analysis of senior inter-co... Read More about Agility demands of Gaelic football match-play : a time-motion Analysis.

Linear advancing actions followed by deceleration and turn are the most common movements preceding goals in male professional soccer (2022)
Journal Article
Martinez, D., Quinn, M., & Jones, P. (2022). Linear advancing actions followed by deceleration and turn are the most common movements preceding goals in male professional soccer. Science and Medicine in Football, https://doi.org/10.1080/24733938.2022.2030064

Data were collected through time-motion analysis from soccer players participating in the English Premier League using a modified version of the Bloomfield Movement Classification with differences analysed through chi-square. The most common indiv... Read More about Linear advancing actions followed by deceleration and turn are the most common movements preceding goals in male professional soccer.

Using qualitative technique analysis to evaluate and develop technique of agility actions with your athletes (2021)
Journal Article
technique of agility actions with your athletes. Professional strength & conditioning, 25-33

An important element of developing agility with athletes is to evaluate technique in performing actions associated with match play. For practitioners it is important to understand what the key elements of ideal movement technique are to enhance per... Read More about Using qualitative technique analysis to evaluate and develop technique of agility actions with your athletes.

Deceleration training in team sports : another potential 'vaccine' for sports-related injury? (2021)
Journal Article
McBurnie, A., Harper, D., Jones, P., & Dos'Santos, T. (2022). Deceleration training in team sports : another potential 'vaccine' for sports-related injury?. Sports Medicine, 52(1), 1-12. https://doi.org/10.1007/s40279-021-01583-x

High-intensity horizontal decelerations occur frequently in team sports and are typically performed to facilitate a reduction in momentum preceding a change of direction manoeuvre or following a sprinting action. The mechanical underpinnings of horiz... Read More about Deceleration training in team sports : another potential 'vaccine' for sports-related injury?.

The effect of angle on change of direction biomechanics : comparison and inter-task relationships (2021)
Journal Article
Dos’Santos, T., Thomas, C., & Jones, P. (2021). The effect of angle on change of direction biomechanics : comparison and inter-task relationships. Journal of Sports Sciences, 39(22), 2618-2631. https://doi.org/10.1080/02640414.2021.1948258

The aim of this was study to examine the inter-task relationships and compare change of direction (COD) biomechanics between different angles (45°, 90°, and 180°). Twenty-seven men performed three COD tasks, whereby lower-limb and trunk kinematics an... Read More about The effect of angle on change of direction biomechanics : comparison and inter-task relationships.

Biomechanical Effects of a 6-Week Change-of-Direction Technique Modification Intervention on Anterior Cruciate Ligament Injury Risk (2021)
Journal Article
Dos'Santos, T., Thomas, C., Comfort, P., & Jones, P. A. (2021). Biomechanical Effects of a 6-Week Change-of-Direction Technique Modification Intervention on Anterior Cruciate Ligament Injury Risk. Journal of Strength and Conditioning Research, 35(8), 2133-2144. https://doi.org/10.1519/jsc.0000000000004075

The aim of this study was to evaluate the biomechanical effects of a 6-week change-of-direction (COD) technique modification intervention on anterior cruciate ligament (ACL) injury risk (i.e., multiplanar knee joint loads) during 45° (CUT45) and 90°... Read More about Biomechanical Effects of a 6-Week Change-of-Direction Technique Modification Intervention on Anterior Cruciate Ligament Injury Risk.

Effects of spaceflight on musculoskeletal health : a systematic review and meta-analysis, considerations for interplanetary travel (2021)
Journal Article
Comfort, P., McMahon, J., Jones, P., Cuthbert, M., Kendall, K., Lake, J., & Haff, G. (2021). Effects of spaceflight on musculoskeletal health : a systematic review and meta-analysis, considerations for interplanetary travel. Sports Medicine, 51(10), 2097-2114. https://doi.org/10.1007/s40279-021-01496-9

If interplanetary travel is to be successful over the coming decades, it is essential that countermeasures to minimize deterioration of the musculoskeletal system are as effective as possible, given the increased duration of spaceflight associated wi... Read More about Effects of spaceflight on musculoskeletal health : a systematic review and meta-analysis, considerations for interplanetary travel.

Change of direction speed and technique modification training improves 180° turning performance, kinetics, and kinematics (2021)
Journal Article
Dos’Santos, T., Thomas, C., McBurnie, A., Comfort, P., & Jones, P. (2021). Change of direction speed and technique modification training improves 180° turning performance, kinetics, and kinematics. Sports, 9(6), e73. https://doi.org/10.3390/sports9060073

This study aimed to examine the effects of change of direction (COD) speed and technique modification training on 180° turning performance (completion time, ground contact time [GCT], and exit velocity), kinetics, and kinematics. A non-randomised 6 w... Read More about Change of direction speed and technique modification training improves 180° turning performance, kinetics, and kinematics.

Motor learning methods that induce high practice variability reduce kinematic and kinetic risk factors of non-contact ACL injury (2021)
Journal Article
Orangi, B., Yaali, R., Bahram, A., Aghdasi, M., van der Kamp, J., Vanrenterghem, J., & Jones, P. (2021). Motor learning methods that induce high practice variability reduce kinematic and kinetic risk factors of non-contact ACL injury. Human Movement Science, 78, 102805. https://doi.org/10.1016/j.humov.2021.102805

The prevention of non-contact anterior cruciate ligament (ACL) injuries often involves movement training, but the effectiveness of different motor learning methods has not been fully investigated. The purpose of this study was therefore to examine th... Read More about Motor learning methods that induce high practice variability reduce kinematic and kinetic risk factors of non-contact ACL injury.

The Cutting Movement Assessment Score (CMAS) qualitative screening tool : application to mitigate anterior cruciate ligament injury risk during cutting (2021)
Journal Article
Dos’Santos, T., Thomas, C., McBurnie, A., Donelon, T., Herrington, L., & Jones, P. (2021). The Cutting Movement Assessment Score (CMAS) qualitative screening tool : application to mitigate anterior cruciate ligament injury risk during cutting. Biomechanics, 1(1), 83-101. https://doi.org/10.3390/biomechanics1010007

Side-step cutting is an action associated with non-contact anterior cruciate ligament (ACL) injury with a plethora of negative economical, health, and psychological implications. Although ACL injury risk factors are multifactorial, biomechanical and... Read More about The Cutting Movement Assessment Score (CMAS) qualitative screening tool : application to mitigate anterior cruciate ligament injury risk during cutting.

Biomechanical determinants of performance and injury risk during cutting : a performance-injury conflict? (2021)
Journal Article
Dos'Santos, T., Thomas, C., McBurnie, A., Comfort, P., & Jones, P. (2021). Biomechanical determinants of performance and injury risk during cutting : a performance-injury conflict?. Sports Medicine, 51(9), 1983-1998. https://doi.org/10.1007/s40279-021-01448-3

Most cutting biomechanical studies investigate performance and knee joint load determinants independently. This is surprising because cutting is an important action linked to performance and non-contact anterior cruciate ligament (ACL) injuries. The... Read More about Biomechanical determinants of performance and injury risk during cutting : a performance-injury conflict?.

Between-Limb Differences During 180° Turns in Female Soccer Players: Application of Statistical Parametric Mapping (2021)
Journal Article
Thomas, C., Dos'Santos, T., Warmenhoven, J., & Jones, P. A. (2021). Between-Limb Differences During 180° Turns in Female Soccer Players: Application of Statistical Parametric Mapping. Journal of Strength and Conditioning Research, 36(11), 3136-3142. https://doi.org/10.1519/jsc.0000000000004022

This study was exploratory in nature and investigated the ability of statistical parametric mapping (SPM) to assess between-limb differences in lower-extremity movement change of direction. Fourteen female soccer players (mean ± SD; age = 20.6 ± 0.6... Read More about Between-Limb Differences During 180° Turns in Female Soccer Players: Application of Statistical Parametric Mapping.

Biomechanical Effects of a 6-Week Change of Direction Speed and Technique Modification Intervention: Implications for Change of Direction Side step Performance (2021)
Journal Article
Dos'Santos, T., Thomas, C., Comfort, P., & Jones, P. A. (2021). Biomechanical Effects of a 6-Week Change of Direction Speed and Technique Modification Intervention: Implications for Change of Direction Side step Performance. Journal of Strength and Conditioning Research, 36(10), 2780-2791. https://doi.org/10.1519/jsc.0000000000003950

The aim of this study was to evaluate the biomechanical effects of change of direction (COD) speed and technique modification training on COD performance (completion time, ground contact time [GCT], and exit velocity) during 45° (CUT45) and 90° (CUT9... Read More about Biomechanical Effects of a 6-Week Change of Direction Speed and Technique Modification Intervention: Implications for Change of Direction Side step Performance.

How early should you brake during a 180° turn? A kinetic comparison of the antepenultimate, penultimate, and final foot contacts during a 505 change of direction speed test (2020)
Journal Article
Dos'Santos, T., Thomas, C., & Jones, P. (2021). How early should you brake during a 180° turn? A kinetic comparison of the antepenultimate, penultimate, and final foot contacts during a 505 change of direction speed test. Journal of Sports Sciences, 39(4), 395-405. https://doi.org/10.1080/02640414.2020.1823130

The aim of the study was to compare ground reaction force (GRF) characteristics between the antepenultimate foot contact (APFC), penultimate foot contact (PFC), and final foot contact (FFC), and to examine the relationships between APFC, PFC, and FFC... Read More about How early should you brake during a 180° turn? A kinetic comparison of the antepenultimate, penultimate, and final foot contacts during a 505 change of direction speed test.

Biomechanical determinants of knee joint loads associated with increased anterior cruciate ligament loading during cutting : a systematic review and technical framework (2020)
Journal Article
Donelon, T., Dos’Santos, T., Pitchers, G., Brown, M., & Jones, P. (2020). Biomechanical determinants of knee joint loads associated with increased anterior cruciate ligament loading during cutting : a systematic review and technical framework. Sports Medicine - Open, 6(1), 53. https://doi.org/10.1186/s40798-020-00276-5

Background: Cutting actions are associated with non-contact ACL injuries in multidirectional sports due to the propensity to generate large multiplanar knee joint loads (KJLs) that have the capacity to increase ACL loading and strain. Numerous studie... Read More about Biomechanical determinants of knee joint loads associated with increased anterior cruciate ligament loading during cutting : a systematic review and technical framework.

Male and female soccer players exhibit different knee joint mechanics during pre-planned change of direction (2020)
Journal Article
Thomas, C., Dos’Santos, T., Comfort, P., & Jones, P. (2020). Male and female soccer players exhibit different knee joint mechanics during pre-planned change of direction. Sports Biomechanics, 1-14. https://doi.org/10.1080/14763141.2020.1830160

Change of direction manoeuvres is important in soccer and associated with non-contact anterior cruciate ligament injury, yet it is not known how the mechanics differentiate between males and females during 180° turns. Twenty-eight soccer players (14... Read More about Male and female soccer players exhibit different knee joint mechanics during pre-planned change of direction.

Countermovement jump standards in rugby league : what is a “good” performance? (2020)
Journal Article
McMahon, J., Lake, J., Dos'Santos, T., Jones, P., Thomasson, M., & Comfort, P. (2020). Countermovement jump standards in rugby league : what is a “good” performance?. Journal of Strength and Conditioning Research, 36(6), 1691-1698. https://doi.org/10.1519/JSC.0000000000003697

The countermovement jump (CMJ) is considered an important test in rugby league and the force platform is the recommended tool for assessing CMJ performance in this cohort. Due to inconsistent methods applied across previous studies, there is curren... Read More about Countermovement jump standards in rugby league : what is a “good” performance?.

Relationship between physical fitness and the physical demands of 50-over cricket in fast bowlers (2020)
Journal Article
Webster, T., Comfort, P., & Jones, P. (2020). Relationship between physical fitness and the physical demands of 50-over cricket in fast bowlers. Journal of Strength and Conditioning Research, https://doi.org/10.1519/JSC.0000000000003542

Professional cricket is constantly evolving and resulting in increased physiological demand placed on players. Fast bowlers experience the greatest physical demand during match-play; despite this, research has overlooked the importance of specific ph... Read More about Relationship between physical fitness and the physical demands of 50-over cricket in fast bowlers.

Changes in early and maximal isometric force production in response to moderate- and high-load strength and power training (2020)
Journal Article
Comfort, P., Jones, P., Thomas, C., Dos'Santos, T., McMahon, J., & Suchomel, T. (2020). Changes in early and maximal isometric force production in response to moderate- and high-load strength and power training. Journal of Strength and Conditioning Research, https://doi.org/10.1519/JSC.0000000000003544

The aims of this study were to determine the changes in early (50-, 100-, 150-, 200-, 250 ms) and maximal isometric force production, in response to a 4-week period of moderate-load resistance training (60-82.5% 1 repetition maximum [1RM]), followed... Read More about Changes in early and maximal isometric force production in response to moderate- and high-load strength and power training.

Effect of asymmetry on biomechanical characteristics during 180° change of direction (2020)
Journal Article
Thomas, C., DosʼSantos, T., Comfort, P., & Jones, P. (2020). Effect of asymmetry on biomechanical characteristics during 180° change of direction. Journal of Strength and Conditioning Research, 34(5), 1297-1306. https://doi.org/10.1519/JSC.0000000000003553

The aim of this study was to explore the effect of asymmetry on biomechanical characteristics during two 180° change of direction (CoD) tasks (505 and modified 505 [505mod]). Fifty-two male (n = 24; age = 22.1 ± 4.8 years; height = 1.78 ± 0.06 m; bod... Read More about Effect of asymmetry on biomechanical characteristics during 180° change of direction.

Biomechanical determinants of injury risk and performance during change of direction : implications for screening and intervention (2020)
Thesis
Dos'Santos, T. Biomechanical determinants of injury risk and performance during change of direction : implications for screening and intervention. (Thesis). University of Salford

Changing direction is a key action linked to successful performance in multidirectional sports, but also an action associated with non-contact anterior cruciate ligament (ACL) injuries. Despite the importance of directional changes for sports per... Read More about Biomechanical determinants of injury risk and performance during change of direction : implications for screening and intervention.

Biomechanical determinants of the modified and traditional 505 change of direction speed test (2019)
Journal Article
DosʼSantos, T., McBurnie, A., Thomas, C., Comfort, P., & Jones, P. (2020). Biomechanical determinants of the modified and traditional 505 change of direction speed test. Journal of Strength and Conditioning Research, 34(5), 1285-1296. https://doi.org/10.1519/JSC.0000000000003439

The aim of this study was to investigate the whole-body biomechanical determinants of 180° change of direction (COD) performance. Sixty-one male athletes (age: 20.7 ± 3.8 years, height: 1.77 ± 0.06 m, mass: 74.7 ± 10.0 kg) from multiple sports (socce... Read More about Biomechanical determinants of the modified and traditional 505 change of direction speed test.

Contribution of eccentric strength to cutting performance in female soccer players (2019)
Journal Article
Jones, P., Dos'Santos, T., McMahon, J., & Graham-Smith, P. (2019). Contribution of eccentric strength to cutting performance in female soccer players. Journal of Strength and Conditioning Research, https://doi.org/10.1519/JSC.0000000000003433

The aim of this study was to examine the contribution of eccentric strength to performance of a 70-90° cutting task (CUT) (time to complete: 5 m approach, 70-90° cut, 3 m exit). Nineteen female soccer players (mean ± SD age, height and mass; 21.6 ± 4... Read More about Contribution of eccentric strength to cutting performance in female soccer players.

Comparison of countermovement jump–derived reactive strength index modified and underpinning force-time variables between super league and championship rugby league players (2019)
Journal Article
McMahon, J., Jones, P., & Comfort, P. (2019). Comparison of countermovement jump–derived reactive strength index modified and underpinning force-time variables between super league and championship rugby league players. Journal of Strength and Conditioning Research, https://doi.org/10.1519/JSC.0000000000003380

The countermovement jump (CMJ) is regularly tested in rugby league (RL), with recent work reporting reactive strength index modified (RSImod) to distinguish between levels of play. Differences in CMJ-derived RSImod and underpinning force-time variabl... Read More about Comparison of countermovement jump–derived reactive strength index modified and underpinning force-time variables between super league and championship rugby league players.

Normalization of early isometric force production as a percentage of peak force during multijoint isometric assessment (2019)
Journal Article
Comfort, P., Dos’Santos, T., Jones, P., McMahon, J., Suchomel, T., Bazyler, C., & Stone, M. (2020). Normalization of early isometric force production as a percentage of peak force during multijoint isometric assessment. International Journal of Sports Physiology and Performance, 15(4), 478-482. https://doi.org/10.1123/ijspp.2019-0217

Purpose: To determine the reliability of early force production (50-, 100-, 150-, 200-, 250 ms) relative to peak force (PF) during an isometric mid-thigh pull (IMTP) and assess the relationships between these variables. Methods: Male collegiate athle... Read More about Normalization of early isometric force production as a percentage of peak force during multijoint isometric assessment.

The effect of limb preference on braking strategy and knee joint mechanics during pivoting in female soccer players (2019)
Journal Article
Thomas, C., Dos'Santos, T., Cuthbert, M., Fields, C., & Jones, P. (2019). The effect of limb preference on braking strategy and knee joint mechanics during pivoting in female soccer players. Science and Medicine in Football, 4(1), 30-36. https://doi.org/10.1080/24733938.2019.1667020

Purpose: The purpose of this study was to explore whether limb preference influences braking strategy and knee joint mechanics during a 180° pivot task in female soccer players. Methods: Three-dimensional motion analyses of pivoting on the prefer... Read More about The effect of limb preference on braking strategy and knee joint mechanics during pivoting in female soccer players.

The effect of training interventions on change of direction biomechanics associated with increased anterior cruciate ligament loading : a scoping review (2019)
Journal Article
Dos'Santos, T., Thomas, C., Comfort, P., & Jones, P. (2019). The effect of training interventions on change of direction biomechanics associated with increased anterior cruciate ligament loading : a scoping review. Sports Medicine, 49, 1837-1859. https://doi.org/10.1007/s40279-019-01171-0

Change of direction (COD) manoeuvres are associated with anterior cruciate ligament (ACL) injury risk due to the propensity to generate large multiplanar knee joint loads. Given the short- and long-term consequences of ACL injury, practitioners are i... Read More about The effect of training interventions on change of direction biomechanics associated with increased anterior cruciate ligament loading : a scoping review.

The effects of six-weeks change of direction speed and technique modification training on cutting performance and movement quality in male youth soccer players. (2019)
Journal Article
Dos'Santos, T., McBurnie, A., Comfort, P., & Jones, P. (2019). The effects of six-weeks change of direction speed and technique modification training on cutting performance and movement quality in male youth soccer players. Sports, 7(9), 205. https://doi.org/10.3390/sports7090205

Cutting manoeuvres are important actions associated with soccer performance and a key action associated with non-contact anterior cruciate ligament injury; thus, training interventions that can improve cutting performance and movement quality are of... Read More about The effects of six-weeks change of direction speed and technique modification training on cutting performance and movement quality in male youth soccer players..

The reliability of using a laser device to assess deceleration ability (2019)
Journal Article
deceleration ability. Sports, 7(8), https://doi.org/10.3390/sports7080191

An important component of change of direction speed is the ability to decelerate. Objective methods to examine this quality have been rarely reported in the literature. The aim of this study was to investigate the within and between session reliabili... Read More about The reliability of using a laser device to assess deceleration ability.

Biomechanical associates of performance and knee joint loads during A70–90° cutting maneuver in sub-elite soccer players (2019)
Journal Article
McBurnie, A., Dos'Santos, T., & Jones, P. (2021). Biomechanical associates of performance and knee joint loads during A70–90° cutting maneuver in sub-elite soccer players. Journal of Strength and Conditioning Research, 35(11), 3190-3198. https://doi.org/10.1519/JSC.0000000000003252

The aim of this study was to explore the“performance-injury risk” conflict during cutting, by examining whole-body joint kinematics and kinetics that are responsible forfaster change-of-direction (COD) performance of a cutting task in soccer players,... Read More about Biomechanical associates of performance and knee joint loads during A70–90° cutting maneuver in sub-elite soccer players.

A qualitative screening tool to identify athletes with ‘high-risk’ movement mechanics during cutting : the cutting movement assessment score (CMAS) (2019)
Journal Article
assessment score (CMAS). Physical Therapy in Sport, 38, 152-161. https://doi.org/10.1016/j.ptsp.2019.05.004

Objective To assess the validity of the cutting movement assessment score (CMAS) to estimate the magnitude of peak knee abduction moments (KAM) against three-dimensional (3D) motion analysis, while comparing whole-body kinetics and kinematics betw... Read More about A qualitative screening tool to identify athletes with ‘high-risk’ movement mechanics during cutting : the cutting movement assessment score (CMAS).

The effect of limb dominance on change of direction biomechanics : a systematic review of its importance for injury risk (2019)
Journal Article
Dos'Santos, T., Bishop, C., Thomas, C., Comfort, P., & Jones, P. (2019). The effect of limb dominance on change of direction biomechanics : a systematic review of its importance for injury risk. Physical Therapy in Sport, 37, 179-189. https://doi.org/10.1016/j.ptsp.2019.04.005

Objective:To critically evaluate the effect of limb dominance on change of direction (COD) biomechanicsassociated with increased ACL injury-risk.Methods:A systematic review of the literature was conducted using Medline and Sport DISCUS data-bases. St... Read More about The effect of limb dominance on change of direction biomechanics : a systematic review of its importance for injury risk.

Role of the penultimate foot contact during change of direction : implications on performance and risk of injury (2019)
Journal Article
Dos'Santos, A., Thomas, C., Comfort, P., & Jones, P. (2019). Role of the penultimate foot contact during change of direction : implications on performance and risk of injury. Strength and Conditioning Journal, 41(1), 87-104. https://doi.org/10.1519/SSC.0000000000000395

Most change of direction biomechanical investigations and current technique guidelines focus on the role of the final foot contact (plant foot contact). However, it is evident that the braking characteristics during the penultimate foot contact pla... Read More about Role of the penultimate foot contact during change of direction : implications on performance and risk of injury.

Changes in dynamic strength index in response to strength training (2018)
Journal Article
Comfort, P., Thomas, C., Dos'Santos, T., Suchomel, T., Jones, P., & McMahon, J. (2018). Changes in dynamic strength index in response to strength training. Sports, 6(4), 176. https://doi.org/10.3390/sports6040176

The primary aim of this investigation was to determine the effects of a four-week period of in-season strength training on the dynamic strength index (DSI). Pre and post a four-week period of strength-based training, twenty-four collegiate athletes (... Read More about Changes in dynamic strength index in response to strength training.

Comparison of change of direction speed performance and asymmetries between team-sport athletes : application of change of direction deficit (2018)
Journal Article
Dos'Santos, T., Thomas, C., Comfort, P., & Jones, P. (2018). Comparison of change of direction speed performance and asymmetries between team-sport athletes : application of change of direction deficit. Sports, 6(4), 174. https://doi.org/10.3390/sports6040174

The purpose of this study was twofold: (1) to examine differences in change of direction (COD) performance and asymmetries between team-sports while considering the effects of sex and sport; (2) to evaluate the relationship between linear speed, COD... Read More about Comparison of change of direction speed performance and asymmetries between team-sport athletes : application of change of direction deficit.

Relationships between unilateral muscle strength qualities and change of direction in adolescent team-sport athletes (2018)
Journal Article
Thomas, C., Dos'Santos, T., Comfort, P., & Jones, P. (2018). Relationships between unilateral muscle strength qualities and change of direction in adolescent team-sport athletes. Sports, 6(3), 83. https://doi.org/10.3390/sports6030083

Previous studies have reported an association between global measures of bilateral strength and change of direction (COD) ability. Yet, little is known about the association between unilateral muscle strength qualities and COD ability. The aim of thi... Read More about Relationships between unilateral muscle strength qualities and change of direction in adolescent team-sport athletes.

Average of trial peaks versus peak of average profile : impact on change of direction biomechanics (2018)
Journal Article
Dos'Santos, T., Comfort, P., & Jones, P. (2020). Average of trial peaks versus peak of average profile : impact on change of direction biomechanics. Sports Biomechanics, 19(4), 483-492. https://doi.org/10.1080/14763141.2018.1497197

The aims of this study were twofold: firstly, to compare lower limb kinematic and kinetic variables during a sprint and 90° cutting task between two averaging methods of obtaining discrete data (peak of average profile vs. average of individual trial... Read More about Average of trial peaks versus peak of average profile : impact on change of direction biomechanics.

The effect of angle and velocity on change of direction biomechanics : an angle-velocity trade-off (2018)
Journal Article
Dos'Santos, T., Thomas, C., Comfort, P., & Jones, P. (2018). The effect of angle and velocity on change of direction biomechanics : an angle-velocity trade-off. Sports Medicine, 48(10), 2235-2253. https://doi.org/10.1007/s40279-018-0968-3

Changes of direction (CODs) are key manoeuvres linked to decisive moments in sport and are also key actions associated with lower limb injuries. During sport athletes perform a diverse range of CODs, from various approach velocities and angles, thus... Read More about The effect of angle and velocity on change of direction biomechanics : an angle-velocity trade-off.

Asymmetries in isometric force-time characteristics are not detrimental to change of direction speed (2018)
Journal Article
Dos'Santos, T., Thomas, C., Jones, P., & Comfort, P. (2018). Asymmetries in isometric force-time characteristics are not detrimental to change of direction speed. Journal of Strength and Conditioning Research, 32(2), 520-527. https://doi.org/10.1519/JSC.0000000000002327

The purpose of this study was to determine the impact of between-limb asymmetries in isometric midthigh pull (IMTP) force-time characteristics on change of direction speed (CODS). Twenty multisport collegiate athletes (mean ± SD: age: 21.0 ± 1.9 year... Read More about Asymmetries in isometric force-time characteristics are not detrimental to change of direction speed.

Effect of low-pass filtering on isometric midthigh pull kinetics (2018)
Journal Article
Dos'Santos, T., Lake, J., Jones, P., & Comfort, P. (2018). Effect of low-pass filtering on isometric midthigh pull kinetics. Journal of Strength and Conditioning Research, 32(4), 983-989. https://doi.org/10.1519/JSC.0000000000002473

The purpose of this study was to investigate the effect of low-pass filtering on isometric mid-thigh pull (IMTP) kinetics, including body weight (BW), onset threshold force, time-specific force values (50, 100, 150 and 200 ms) and peak force (PF). Fo... Read More about Effect of low-pass filtering on isometric midthigh pull kinetics.

Assessing asymmetries in change of direction speed performance; application of change of direction deficit (2018)
Journal Article
Dos'Santos, T., Thomas, C., Jones, P., & Comfort, P. (2019). Assessing asymmetries in change of direction speed performance; application of change of direction deficit. Journal of Strength and Conditioning Research, 33(11), 2953-2961. https://doi.org/10.1519/JSC.0000000000002438

The aims of this study were to quantify asymmetries in change of direction (COD) performance via completion time and COD deficit, and determine its influence on asymmetry profiling of COD ability. A secondary aim was to evaluate the relationship betw... Read More about Assessing asymmetries in change of direction speed performance; application of change of direction deficit.

A preliminary investigation into a qualitative assessment tool to identify athletes with high knee abduction moments during cutting : Cutting Movement Assessment Score (CMAS) (2017)
Journal Article
Jones, P., Donelon, T., & Dos'Santos, T. (2017). A preliminary investigation into a qualitative assessment tool to identify athletes with high knee abduction moments during cutting : Cutting Movement Assessment Score (CMAS). Professional strength & conditioning,

Given the limited accessibility of 3D motion analysis for injury screening of athletes, there is a need to develop a field-based screening tool to identify athletes with ‘at-risk’ cutting mechanics. The aim of this preliminary study was to assess the... Read More about A preliminary investigation into a qualitative assessment tool to identify athletes with high knee abduction moments during cutting : Cutting Movement Assessment Score (CMAS).

A comparison of isometric midthigh-pull strength, vertical jump, sprint speed, and change-of-direction speed in academy netball players (2017)
Journal Article
Thomas, C., Comfort, P., Jones, P. A., & Dos’Santos, T. (2017). A comparison of isometric midthigh-pull strength, vertical jump, sprint speed, and change-of-direction speed in academy netball players. International Journal of Sports Physiology and Performance, 12(7), 916-921. https://doi.org/10.1123/ijspp.2016-0317

Purpose: To investigate the relationships between maximal isometric strength, vertical jump (VJ), sprint speed, and change-of-direction speed (CoDS) in academy netball players and determine whether players who have high performance in isometric stre... Read More about A comparison of isometric midthigh-pull strength, vertical jump, sprint speed, and change-of-direction speed in academy netball players.

The application of change of direction deficit to evaluate cutting ability (2017)
Journal Article
Cuthbert, M., Dos'Santos, T., Thomas, C., & Jones, P. (2017). The application of change of direction deficit to evaluate cutting ability. Journal of Strength and Conditioning Research, 33(8), 2138-2144. https://doi.org/10.1519/JSC.0000000000002346

The purpose of this study was to examine the application of the change of direction deficit (CODD) to a 90° cut test in order to examine whether CODD provides a unique evaluation of an individual’s cutting ability. Thirty-six male collegiate team–spo... Read More about The application of change of direction deficit to evaluate cutting ability.

The effect of hip joint angle on isometric midthigh pull kinetics (2017)
Journal Article
Dos'Santos, T., Thomas, C., Jones, P., McMahon, J., & Comfort, P. (2017). The effect of hip joint angle on isometric midthigh pull kinetics. Journal of Strength and Conditioning Research, 31(10), 2748-2757. https://doi.org/10.1519/JSC.0000000000002098

The aim of this study were to compare isometric midthigh pull (IMTP) peak force (PF), time-specific force values (100-, 150-, and 200 ms), rate of force development (RFD) at predetermined time bands (0–100, 0–150, and 0–200 ms) and net forces between... Read More about The effect of hip joint angle on isometric midthigh pull kinetics.

Influence of dynamic strength index on countermovement jump force-, power-, velocity-, and displacement-time curves (2017)
Journal Article
McMahon, J., Jones, P., Dos'Santos, T., & Comfort, P. (2017). Influence of dynamic strength index on countermovement jump force-, power-, velocity-, and displacement-time curves. Sports, 5(4), 72-83. https://doi.org/10.3390/sports5040072

The dynamic strength index (DSI), often calculated as the ratio of countermovement jump (CMJ) propulsion peak force to isometric mid-thigh pull (IMTP) peak force, is said to inform whether ballistic or maximal strength training is warranted for a giv... Read More about Influence of dynamic strength index on countermovement jump force-, power-, velocity-, and displacement-time curves.

A comparison of dynamic strength index between team-sport athletes (2017)
Journal Article
Thomas, C., Dos'Santos, T., & Jones, P. (2017). A comparison of dynamic strength index between team-sport athletes. Sports, 5(3), https://doi.org/10.3390/sports5030071

The purpose of this study was to examine the differences in countermovement jump peak force (CMJ-PF), isometric mid-thigh pull peak force (IMTP-PF), and resultant dynamic strength index (DSI) values between team-sport athletes. One hundred and fiftee... Read More about A comparison of dynamic strength index between team-sport athletes.

Relationships between isometric force-time characteristics and dynamic performance (2017)
Journal Article
Dos'Santos, T., Thomas, C., Comfort, P., McMahon, J., & Jones, P. (2017). Relationships between isometric force-time characteristics and dynamic performance. Sports, 5(3), https://doi.org/10.3390/sports5030068

The purpose of this study was to explore the relationships between isometric mid-thigh pull (IMTP) force-time characteristics (peak force and time-specific force vales (100–250 ms)) and dynamic performance and compare dynamic performance between stro... Read More about Relationships between isometric force-time characteristics and dynamic performance.

Strength and Conditioning for Netball: A Needs Analysis and Training Recommendations (2017)
Journal Article
Thomas, C., Comfort, P., Jones, P. A., & Dos'Santos, T. (2017). Strength and Conditioning for Netball: A Needs Analysis and Training Recommendations. Strength and Conditioning Journal, 39(4), 10-21. https://doi.org/10.1519/SSC.0000000000000287

There is a lack of strength and conditioning research into the demands and the specific areas of development required to optimize performance and reduce the risk of common injuries in female netball athletes. Netball is predominantly anaerobic, chara... Read More about Strength and Conditioning for Netball: A Needs Analysis and Training Recommendations.

Differences in vertical jump force-time characteristics between stronger and weaker adolescent basketball players (2017)
Journal Article
Thomas, C., Kyriakidou, I., Dos'Santos, T., & Jones, P. (2017). Differences in vertical jump force-time characteristics between stronger and weaker adolescent basketball players. Sports, 5(3), #63. https://doi.org/10.3390/sports5030063

The countermovement jump (CMJ) and isometric mid-thigh pull (IMTP) are commonly used to compare one’s force capacity during dynamic and isometric assessments, respectively. However, little research has investigated the influence of maximum isometric... Read More about Differences in vertical jump force-time characteristics between stronger and weaker adolescent basketball players.

Comment on : "Anthropometric and physical qualities of elite male youth rugby league players" (2017)
Journal Article
McMahon, J., Jones, P., & Comfort, P. (2017). Comment on : "Anthropometric and physical qualities of elite male youth rugby league players". Sports Medicine, 47(12), 2667-2668. https://doi.org/10.1007/s40279-017-0771-6

We read with interest the recent review on anthropometric and physical qualities of elite male youth rugby league players by Till et al. and congratulate the authors for producing a very informative review. However, we would like to raise an issue th... Read More about Comment on : "Anthropometric and physical qualities of elite male youth rugby league players".

Determining bilateral strength imbalances in youth basketball athletes (2017)
Journal Article
Thomas, C., Comfort, P., Dos’Santos, T., & Jones, P. (2017). Determining bilateral strength imbalances in youth basketball athletes. International Journal of Sports Medicine, 38(09), 683-690. https://doi.org/10.1055/s-0043-112340

The aims of this study were: 1) to compare the strongest (D) and weakest (ND) limbs in determining muscle strength asymmetry (MSA) ratios among various muscle strength qualities and 2) to determine the relationships among various muscle strength qual... Read More about Determining bilateral strength imbalances in youth basketball athletes.

Comparison of methods of calculating dynamic strength index (2017)
Journal Article
Comfort, P., Thomas, C., Dos'Santos, T., Jones, P., Suchomel, T., & McMahon, J. (2017). Comparison of methods of calculating dynamic strength index. International Journal of Sports Physiology and Performance, 13(3), 320-325. https://doi.org/10.1123/ijspp.2017-0255

Purpose: To determine the reliability and variability of dynamic strength index (DSI) calculated from squat jump (SJ) (DSI-SJ) versus countermovement jump (CMJ) (DSI-CMJ) peak force (PF) and to compare DSI values between methods. Methods: Male youth... Read More about Comparison of methods of calculating dynamic strength index.

The role of eccentric strength in 180° turns in female soccer players (2017)
Journal Article
Jones, P., Thomas, C., Dos'Santos, T., McMahon, J., & Graham-Smith, P. (2017). The role of eccentric strength in 180° turns in female soccer players. Sports, 5(2), 42. https://doi.org/10.3390/sports5020042

Previous studies have reported an association between eccentric strength (ECC-STR) and change of direction (COD) ability. Little is known about how ECC-STR facilitates COD maneuvers. The aim of this study was to examine the role of ECC-STR during a 1... Read More about The role of eccentric strength in 180° turns in female soccer players.

Influence of reactive strength index modified on force- and power-time curves (2017)
Journal Article
McMahon, J., Jones, P., Suchomel, T., Lake, J., & Comfort, P. (2017). Influence of reactive strength index modified on force- and power-time curves. International Journal of Sports Physiology and Performance, 13(2), 220-227. https://doi.org/10.1123/ijspp.2017-0056

Purpose: The reactive strength index modified (RSImod) has been recently identified and validated as a method of monitoring countermovement jump (CMJ) performance. The kinetic and kinematic mechanisms that optimize a higher RSImod score are, however,... Read More about Influence of reactive strength index modified on force- and power-time curves.

Physical profiles of female academy netball players by position (2017)
Journal Article
Thomas, C., Ismail, K., Simpson, R., Comfort, P., Jones, P., & Dos’Santos, T. (2019). Physical profiles of female academy netball players by position. Journal of Strength and Conditioning Research, 33(6), 1. https://doi.org/10.1519/JSC.0000000000001949

The purpose of this study was to evaluate the height, body mass and physical characteristics of female academy netball players by position (centers, defenders and shooters). Data were collected on 43 regional academy players during the preseason peri... Read More about Physical profiles of female academy netball players by position.

Between-session reliability of common strength- and power-related measures in adolescent athletes (2017)
Journal Article
Thomas, C., Dos'Santos, T., Comfort, P., & Jones, P. (2017). Between-session reliability of common strength- and power-related measures in adolescent athletes. Sports, 5(1), 15. https://doi.org/10.3390/sports5010015

The purpose of this study was to investigate the between-session reliability of common strength- and power-related measures in adolescent athletes. Seventeen adolescent athletes (males: n = 8: age 17.1 ± 2.2 years; height 175.6 ± 3.5 cm; mass 80.2 ±... Read More about Between-session reliability of common strength- and power-related measures in adolescent athletes.

Strength and endurance training reduces the loss of eccentric hamstring torque observed after soccer specific fatigue (2017)
Journal Article
Matthews, M., Heron, K., Todd, S., Tomlinson, A., Jones, P., Delextrat, A., & Cohen, D. (2017). Strength and endurance training reduces the loss of eccentric hamstring torque observed after soccer specific fatigue. Physical Therapy in Sport, 25, 39-46. https://doi.org/10.1016/j.ptsp.2017.01.006

Objectives: To investigate the effect of two hamstring training protocols on eccentric peak torque before and after soccer specific fatigue. Participants: Twenty-two university male soccer players. Design: Isokinetic strength tests were performed... Read More about Strength and endurance training reduces the loss of eccentric hamstring torque observed after soccer specific fatigue.

Relationship between maximum aerobic speed performance and distance covered in rugby union games (2016)
Journal Article
Swaby, R., Jones, P. A., & Comfort, P. (2016). Relationship between maximum aerobic speed performance and distance covered in rugby union games. Journal of Strength and Conditioning Research, 30(10), 2788-2793. https://doi.org/10.1519/JSC.0000000000001375

Relationship between maximum aerobic speed performance and distance covered in rugby union games. J Strength Cond Res 30(10): 2788–2793, 2016—Researchers have shown a clear relationship between aerobic fitness and the distance covered in professional... Read More about Relationship between maximum aerobic speed performance and distance covered in rugby union games.

Assessing muscle strength asymmetry via a unilateral stance isometric mid-thigh pull (2016)
Journal Article
Dos'Santos, T., Thomas, C., Jones, P., & Comfort, P. (2017). Assessing muscle strength asymmetry via a unilateral stance isometric mid-thigh pull. International Journal of Sports Physiology and Performance, 12(4), 505-511. https://doi.org/10.1123/ijspp.2016-0179

Purpose: The purpose of this study was to investigate the within-session reliability of bilateral and unilateral stance isometric mid-thigh pull (IMTP) force-time characteristics including peak force (PF), relative PF and impulse at time bands (0-100... Read More about Assessing muscle strength asymmetry via a unilateral stance isometric mid-thigh pull.

How reliable are lower limb biomechanical variables during running and cutting tasks (2016)
Journal Article
Alenezi, F., Herrington, L., Jones, P., & Jones, R. (2016). How reliable are lower limb biomechanical variables during running and cutting tasks. Journal of Electro - myography and Kinesiology, 30, 137-142. https://doi.org/10.1016/j.jelekin.2016.07.001

The purpose of this study was to compare the within- and between-days reliability of lower limb biomechanical variables collected during running and cutting tasks. Methods: 15 recreational athletes, 7 males and 8 females, took part in three testing... Read More about How reliable are lower limb biomechanical variables during running and cutting tasks.

Mechanical determinants of faster change of direction speed performance in male athletes (2016)
Journal Article
Dos'Santos, T., Thomas, C., Jones, P., & Comfort, P. (2017). Mechanical determinants of faster change of direction speed performance in male athletes. Journal of Strength and Conditioning Research, 31(3), 696-705. https://doi.org/10.1519/JSC.0000000000001535

Mechanical variables during change of directions for example braking and propulsive forces,impulses and ground contact times (GCT) have been identified as determinants of faster change of direction speed (CODS) performance. The purpose of this study... Read More about Mechanical determinants of faster change of direction speed performance in male athletes.

Braking characteristics during cutting and pivoting in female soccer players (2016)
Journal Article
Jones, P., Herrington, L., & Graham-Smith, P. (2016). Braking characteristics during cutting and pivoting in female soccer players. Journal of Electro - myography and Kinesiology, 30, 46-54. https://doi.org/10.1016/j.jelekin.2016.05.006

Biomechanical studies into changing direction focus on final contact (FC), whilst limited research has examined penultimate contact (PEN). The aim of this study was to explore the kinematic and kinetic differences between PEN and FC of cutting and pi... Read More about Braking characteristics during cutting and pivoting in female soccer players.

Reliability of the 505 change-of-direction test in netball players (2016)
Journal Article
Barber, O., Thomas, C., Jones, P., McMahon, J., & Comfort, P. (2016). Reliability of the 505 change-of-direction test in netball players. International Journal of Sports Physiology and Performance, 11(3), 377-380. https://doi.org/10.1123/ijspp.2015-0215

PURPOSE: To determine the reliability of the 505 change-of-direction (COD) test performed with both a stationary and a flying start. METHODS: Fifty-two female netball players (age 23.9 ± 5.4 y, height 169.9 ± 3.3 cm, body mass 65.2 ± 4.6 kg) pe... Read More about Reliability of the 505 change-of-direction test in netball players.

Relationships between unilateral horizontal and vertical drop jumps and 20 metre sprint performance (2016)
Journal Article
Schuster, D., & Jones, P. (2016). Relationships between unilateral horizontal and vertical drop jumps and 20 metre sprint performance. Physical Therapy in Sport, 21, 20-25. https://doi.org/10.1016/j.ptsp.2016.02.007

Objectives: The purpose of this study was to compare the relationships between horizontal (HDJ) and vertical drop jumps (VDJ) to sprint performance. Design: Exploratory Study. Setting: Laboratory. Participants: Nineteen male collegiate participant... Read More about Relationships between unilateral horizontal and vertical drop jumps and 20 metre sprint performance.

Comparison of peak power output during exercises with similar lower-limb kinematics (2016)
Journal Article
with similar lower-limb kinematics. Journal of trainology, 5(1), 1-5. https://doi.org/10.17338/trainology.5.1_1

Objectives: The aim of this investigation was to compare peak power between the mid-thigh power clean, squat jump and push press. Design and Methods: Eleven recreationally trained men (age 22.2 ± 3.5 yrs; height 178.6 ± 8.5 cm; body mass 88.7 ± 13.... Read More about Comparison of peak power output during exercises with similar lower-limb kinematics.

Effect of sampling frequency on isometric midthigh-pull kinetics (2016)
Journal Article
Dos’Santos, T., Jones, P., Kelly, J., McMahon, J., Comfort, P., & Thomas, C. (2016). Effect of sampling frequency on isometric midthigh-pull kinetics. International Journal of Sports Physiology and Performance, 11(2), 255-260. https://doi.org/10.1123/ijspp.2015-0222

Purpose: Skeletal-muscle function can be evaluated using force–times curves generated via the isometric midthigh pull (IMTP). Various sampling frequencies (500–1000 Hz) have been used for IMTP assessments; however, no research has investigated the in... Read More about Effect of sampling frequency on isometric midthigh-pull kinetics.

Reliability of the 30-15 intermittent fitness test in semiprofessional soccer players (2016)
Journal Article
Thomas, C., Dos’Santos, T., Jones, P., & Comfort, P. (2016). Reliability of the 30-15 intermittent fitness test in semiprofessional soccer players. International Journal of Sports Physiology and Performance, 11(2), 172-175. https://doi.org/10.1123/ijspp.2015-0056

Purpose: The purpose of this investigation was to determine the reliability of the 30-15 Intermittent Fitness Test (30-15IFT) in semiprofessional soccer players. Methods: Fourteen male semiprofessional soccer players performed the 30-15IFT on 2 occas... Read More about Reliability of the 30-15 intermittent fitness test in semiprofessional soccer players.

Changing pivoting technique reduces knee valgus moments (2015)
Conference Proceeding
Jones, P., Barber, O., & Smith, L. (2015). Changing pivoting technique reduces knee valgus moments. . https://doi.org/10.1080/02640414.2015.1110236

Changing direction is a common action involved in non-contact anterior cruciate ligament injuries in female athletes (Faude et al. [2005]. American Journal of Sports Medicine, 33, 1694-1700), as such actions involve lower limb postures that increase... Read More about Changing pivoting technique reduces knee valgus moments.

Relationships between speed, change of direction and jump performance with cricket specific speed tests in male academy cricketers (2015)
Journal Article
Foden, M., Astley, S., McMahon, J., Comfort, P., Matthews, M., & Jones, P. (2015). Relationships between speed, change of direction and jump performance with cricket specific speed tests in male academy cricketers. Journal of trainology, 4(2), 37-42. https://doi.org/10.17338/trainology.4.2_37

Objectives: The aim of this study was to investigate the relationships between general speed and change of direction speed and‘cricket specific’ speed tests and the relationships between jump performance and speed and change of direction ability in m... Read More about Relationships between speed, change of direction and jump performance with cricket specific speed tests in male academy cricketers.

Joint kinetics and kinematics during common lower limb rehabilitation exercises (2015)
Journal Article
Comfort, P., Jones, P., Smith, L., & Herrington, L. (2015). Joint kinetics and kinematics during common lower limb rehabilitation exercises. Journal of Athletic Training, 50(10), 1011-1018. https://doi.org/10.4085/1062-6050-50.9.05

Context: Unilateral body-weight exercises are commonly used to strengthen the lower limbs during rehabilitation after injury, but data comparing the loading of the limbs during these tasks are limited. Objective: To compare joint kinetics and kinem... Read More about Joint kinetics and kinematics during common lower limb rehabilitation exercises.

Technique determinants of knee abduction moments during pivoting in female soccer players (2015)
Journal Article
Jones, P., Herrington, L., & Graham-Smith, P. (2016). Technique determinants of knee abduction moments during pivoting in female soccer players. Clinical Biomechanics, 31, 107-112. https://doi.org/10.1016/j.clinbiomech.2015.09.012

Background No previous studies have investigated the optimal technique for pivoting with regard to reducing peak knee abduction moments and potential knee injury risk. The aim of this study was to investigate the relationships between technique char... Read More about Technique determinants of knee abduction moments during pivoting in female soccer players.

Technique determinants of knee joint loads during pivoting in female soccer players (2015)
Journal Article
Jones, P., Herrington, L., & Graham-Smith, P. (2016). Technique determinants of knee joint loads during pivoting in female soccer players. Clinical Biomechanics, 31(1), 107-122. https://doi.org/10.1016/j.clinbiomech.2015.09.012

Background: No previous studies have investigated the optimal technique for pivoting with regard to reducing peak knee abduction moments and potential knee injury risk. The aim of this study was to investigate the relationships between technique ch... Read More about Technique determinants of knee joint loads during pivoting in female soccer players.

An investigation into the relationship between maximum isometric strength and vertical jump performance (2015)
Journal Article
Thomas, C., Jones, P., Rothwell, J., Chiang, C., & Comfort, P. (2015). An investigation into the relationship between maximum isometric strength and vertical jump performance. Journal of Strength and Conditioning Research, 29(8), 2176-2185. https://doi.org/10.1519/JSC.0000000000000866

Research has demonstrated a clear relationship between dynamic strength and vertical jump (VJ) performance; however, the relationship of isometric strength and VJ performance has been studied less extensively. The aim of this study was to determine t... Read More about An investigation into the relationship between maximum isometric strength and vertical jump performance.

An investigation into the relationship between maximum Isometric strength and vertical jump performance (2015)
Journal Article
Thomas, C., Jones, P., Rothwell, J., Chiang, C., & Comfort, P. (2015). An investigation into the relationship between maximum Isometric strength and vertical jump performance. Journal of Strength and Conditioning Research, 29(8), 2176-2185. https://doi.org/10.1519/jsc.0000000000000866

Abstract: Thomas, C, Jones, PA, Rothwell, J, Chiang, CY, and Comfort, P. An investigation into the relationship between maximum isometric strength and vertical jump performance. J Strength Cond Res 29(8): 2176–2185, 2015—Research has demonstrated a c... Read More about An investigation into the relationship between maximum Isometric strength and vertical jump performance.

Reliability of the dynamic strength index in college athletes (2015)
Journal Article
Thomas, C., Jones, P., & Comfort, P. (2015). Reliability of the dynamic strength index in college athletes. International Journal of Sports Physiology and Performance, 10(5), 542-545. https://doi.org/10.1123/ijspp.2014-0255

Purpose: To determine the reliability of the Dynamic Strength Index (DSI) in college athletes. Method: Nineteen male college athletes performed the squat jump (SJ) and isometric midthigh pull (IMTP) to determine peak force, on 2 separate days. Relia... Read More about Reliability of the dynamic strength index in college athletes.

Technique determinants of knee joint loads during cutting in female soccer players (2015)
Journal Article
cutting in female soccer players. Human Movement Science, 42, 203-211. https://doi.org/10.1016/j.humov.2015.05.004

The aim of this study was to investigate the relationships between technique characteristics and knee abduction moments during 90° cuts. A cross sectional design involving 26 elite and sub-elite female soccer players (mean ± SD; age: 21 ± 3.2 years,... Read More about Technique determinants of knee joint loads during cutting in female soccer players.

Relationship between isometric mid-thigh pull variables and sprint and change of direction performance in collegiate athletes (2015)
Journal Article
Thomas, C., Comfort, P., Chiang, C., & Jones, P. (2015). Relationship between isometric mid-thigh pull variables and sprint and change of direction performance in collegiate athletes. Journal of trainology, 4(1), 6-10. https://doi.org/10.17338/trainology.4.1_6

Objectives: The aim of this investigation was to assess the use of isometric strength testing as a determinant of sprint and change of direction performance in collegiate athletes. Design and Methods: Fourteen male collegiate athletes (mean ± SD; a... Read More about Relationship between isometric mid-thigh pull variables and sprint and change of direction performance in collegiate athletes.

The assisted nordic hamstring curl (2015)
Journal Article
Matthews, M., Jones, P., Cohen, D., & Matthews, H. (2015). The assisted nordic hamstring curl. Strength and Conditioning Journal, 37(1), 84-87. https://doi.org/10.1519/SSC.0000000000000084

Assisted nordic hamstring curls provide a mechanism for assisting the lower phases of a nordic hamstring curl, allowing training at increased hamstring muscle length positions and the performance of more repetitions. This exercise may be useful to ta... Read More about The assisted nordic hamstring curl.

The validity of the Nordic hamstring lower as a field-based assessment of eccentric hamstring strength (2015)
Journal Article
Sconce, E., Jones, P., Turner, E., Comfort, P., & Graham-Smith, P. (2015). The validity of the Nordic hamstring lower as a field-based assessment of eccentric hamstring strength. Journal of Sport Rehabilitation, 24(1), 13-20. https://doi.org/10.1123/JSR.2013-0097

Context: Hamstring injury-risk assessment has primarily been investigated using isokinetic dynamometry. However, practical issues such as cost and availability limit the widespread application of isokinetics for injury-risk assessment; thus, field-... Read More about The validity of the Nordic hamstring lower as a field-based assessment of eccentric hamstring strength.

Effect of knee and trunk angle on kinetic variables during the isometric mid-thigh pull : test-retest reliability (2015)
Journal Article
Comfort, P., Jones, P., McMahon, J., & Newton, R. (2015). Effect of knee and trunk angle on kinetic variables during the isometric mid-thigh pull : test-retest reliability. International Journal of Sports Physiology and Performance, 10(1), 58-63. https://doi.org/10.1123/ijspp.2014-0077

The isometric midthigh pull (IMTP) has been used to monitor changes in force, maximum rate of force development (mRFD), and impulse, with performance in this task being associated with performance in athletic tasks. Numerous postures have been adopte... Read More about Effect of knee and trunk angle on kinetic variables during the isometric mid-thigh pull : test-retest reliability.

The consistency of knee kinematic, kinetic, and ground reaction force variables collected during running and cutting manoeuvres (2014)
Journal Article
Alenezi, F., Herrington, L., Jones, P., & Jones, R. (2014). The consistency of knee kinematic, kinetic, and ground reaction force variables collected during running and cutting manoeuvres. Gait and Posture, 39S,

Introduction: Abnormal biomechanics during sports activities can lead to increased joint-reaction forces, an increased valgus angle and increased load at the knee. The majority of studies that assess lower-limb biomechanics commonly use 3D motion... Read More about The consistency of knee kinematic, kinetic, and ground reaction force variables collected during running and cutting manoeuvres.

A comparison of braking characteristics between pre-planned and unanticipated changing direction tasks in female soccer players: An exploratory study. Day 1. Posters – Biomechanics,BASES Annual Conference, 25th November 2014, St Georges Park, Burton (2014)
Journal Article
Jones, P., Stones, S., & Smith, L. (2014). A comparison of braking characteristics between pre-planned and unanticipated changing direction tasks in female soccer players: An exploratory study. Day 1. Posters – Biomechanics,BASES Annual Conference, 25th November 2014, St Georges Park, Burton. Journal of Sports Sciences, 32(sup 2), S25-S26. https://doi.org/10.1080/02640414.2014.968379

The reliability of biomechanical variables collected during single leg squat and landing tasks (2014)
Journal Article
Alenezi, F., Herrington, L., Jones, P., & Jones, R. (2014). The reliability of biomechanical variables collected during single leg squat and landing tasks. Journal of Electro - myography and Kinesiology, 24(5), 718-721. https://doi.org/10.1016/j.jelekin.2014.07.007

Introduction: The aim of this study was to determine the within- and between-day reliability of lower limb biomechanical variables collected during single leg squat (SLS) and single leg landing (SLL) tasks. Methods: 15 recreational athletes took... Read More about The reliability of biomechanical variables collected during single leg squat and landing tasks.

Is there a relationship between landing and changing direction in terms of ‘dynamic valgus’? (2014)
Journal Article
Jones, P., Herrington, L., Munro, A., & Graham-Smith, P. (2014). Is there a relationship between landing and changing direction in terms of ‘dynamic valgus’?. American Journal of Sports Medicine, 42(9), 2095-2102. https://doi.org/10.1177/0363546514539446

Background: Anterior cruciate ligament (ACL) injuries are a major problem amongst female athletes. Screening for ACL injury risk tends to focus on landing tasks, which may be limited in sports where changing direction is the main action involved in n... Read More about Is there a relationship between landing and changing direction in terms of ‘dynamic valgus’?.

Relationships between lower limb biomechanics during single leg squat with running and cutting tasks: a preliminary investigation (2014)
Journal Article
Alenezi, F., Herrington, L., Jones, P., & Jones, R. (2014). Relationships between lower limb biomechanics during single leg squat with running and cutting tasks: a preliminary investigation. British Journal of Sports Medicine, 48(7), 560-561. https://doi.org/10.1136/bjsports-2014-093494.3

BACKGROUND: The need to develop screening tests to find athletes who maybe predisposed to knee injuries is of prime importance in order to design individualised intervention programmes. Previous research has found 3D joint kinematics of the hip and k... Read More about Relationships between lower limb biomechanics during single leg squat with running and cutting tasks: a preliminary investigation.

Test-retest reliability and sensitivity of the concept2 dyno dynamometer: practical applications (2014)
Journal Article
Bampouras, T., Marrin, K., Sanley, S., & Jones, P. (2014). Test-retest reliability and sensitivity of the concept2 dyno dynamometer: practical applications. Journal of Strength and Conditioning Research, 28(5), 1381-1385. https://doi.org/10.1519/JSC.0000000000000269

Strength assessment is often part of the objective periodical observation of teams, squads, or large groups of athletes. Equipment that provides assessment that is mobile and is easy to use will reduce the impact on the athletes’ training and competi... Read More about Test-retest reliability and sensitivity of the concept2 dyno dynamometer: practical applications.

A comparison of braking characteristics between pre-planned and unanticipated changing direction tasks in female soccer players: An exploratory study (2013)
Presentation / Conference
Jones, P., Stones, S., & Smith, L. (2013, September). A comparison of braking characteristics between pre-planned and unanticipated changing direction tasks in female soccer players: An exploratory study. Poster presented at BASES Annual Conference, St Georges Park, Burton

Changing direction is a common action involved in non-contact anterior cruciate ligament injuries in female soccer players (Faude et al. [2005]. Am J Sports Med, 33, 1694-1700). Most biomechanical studies into changing direction focus on final contac... Read More about A comparison of braking characteristics between pre-planned and unanticipated changing direction tasks in female soccer players: An exploratory study.

Movement Specificity: What does it mean? (2012)
Journal Article
Graham-Smith, P., Comfort, P., Jones, P., & Matthews, M. (2012). Movement Specificity: What does it mean?. Professional strength & conditioning,

When an exercise is described as ‘specific’, there is an assumption that the exercise is ‘functional’ and is therefore transferable to a sports skill. Often the main criteria for ‘specificity’ is that the exercise must follow the same movement patter... Read More about Movement Specificity: What does it mean?.

A comparison of isokinetic and functional methods of assessing bilateral strength imbalance (2010)
Journal Article
Jones, P., & Bampouras, T. (2010). A comparison of isokinetic and functional methods of assessing bilateral strength imbalance. Journal of Strength and Conditioning Research, 24(6), 1553-1558. https://doi.org/10.1519/JSC.0b013e3181dc4392

Muscle strength imbalances have been linked with poor agility performance and higher injury risk. Isokinetic dynamometry has been used to investigate such imbalances; however, this method is impractical and inaccessible for most strength and conditio... Read More about A comparison of isokinetic and functional methods of assessing bilateral strength imbalance.

An investigation into the physical determinants of change of direction speed (2009)
Journal Article
Jones, P., Bampouras, T., & Marrin, K. (2009). An investigation into the physical determinants of change of direction speed. Journal of Sports Medicine and Physical Fitness, 49(1), 97-104

Aim: change of direction speed (CODS) is an important attribute for many sports and is believed to be influenced by a variety of physical factors. However, there is a lack of consensus as to which physical attributes relate to CODS. The aim of this s... Read More about An investigation into the physical determinants of change of direction speed.

A biomechanical analysis of the acute effects of complex training using lower limb exercises (2003)
Journal Article
Jones, P., & Lee, A. (2003). A biomechanical analysis of the acute effects of complex training using lower limb exercises. Journal of Strength and Conditioning Research, 17(4), 694-700

The aim of this study was to investigate the current practice of complex training using a lower body combination of exercises. It was hypothesized that a bout of heavy resistance exercise (HRE), as typically used in complex training, would lead to en... Read More about A biomechanical analysis of the acute effects of complex training using lower limb exercises.