All Outputs (217)

Field tests of performance and their relationship to age and anthropometric parameters in adolescent handball players (2019)
Journal Article
Hammami, M., Hermassi, S., Gaamouri, N., Aloui, G., Comfort, P., Shephard, R., & Chelly, M. (2019). Field tests of performance and their relationship to age and anthropometric parameters in adolescent handball players. Frontiers in Physiology, 10, 1124. https://doi.org/10.3389/fphys.2019.01124

Handball performance is influenced by age, anthropometric characteristics, technical skills, tactical understanding, and physical abilities. The aims of this study were (i) to determine differences in anthropometric characteristics and physical perfo... Read More about Field tests of performance and their relationship to age and anthropometric parameters in adolescent handball 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 effect of load placement on the power production characteristics of three lower extremity jumping exercises (2019)
Journal Article
Suchomel, T. J., McKeever, S. M., Sijuwade, O., Carpenter, L., McMahon, J., Loturco, I., & Comfort, P. (2019). The effect of load placement on the power production characteristics of three lower extremity jumping exercises. Journal of Human Kinetics, 68(1), 109-122. https://doi.org/10.2478/hukin-2019-0060

The purpose of this study was to compare the power production characteristics of the jump squat (JS), hexagonal barbell jump (HEXJ), and jump shrug (JShrug) across a spectrum of relative loads. Fifteen resistance-trained men completed three testing s... Read More about The effect of load placement on the power production characteristics of three lower extremity jumping exercises.

Changes in performance markers and wellbeing in elite senior professional rugby union players during a pre-season period : analysis of the differences across training phases (2019)
Journal Article
Grainger, A., Neville, R., Ditroilo, M., & Comfort, P. (2020). Changes in performance markers and wellbeing in elite senior professional rugby union players during a pre-season period : analysis of the differences across training phases. Journal of Science and Medicine in Sport, 23(1), 20-26. https://doi.org/10.1016/j.jsams.2019.08.012

Objectives: To assess the magnitude of change and association with variation in training load of two performance markers and wellbeing, over three pre-season training blocks, in elite rugby union athletes. Design: Observational. Methods: Twenty-tw... Read More about Changes in performance markers and wellbeing in elite senior professional rugby union players during a pre-season period : analysis of the differences across training phases.

The reliability and validity of the bar-mounted PUSH BandTM 2.0 during bench press with moderate and heavy loads (2019)
Journal Article
Lake, J., Augustus, S., Austin, K., Comfort, P., McMahon, J., Mundy, P., & Haff, G. (2019). The reliability and validity of the bar-mounted PUSH BandTM 2.0 during bench press with moderate and heavy loads. Journal of Sports Sciences, 37(23), 2685-2690. https://doi.org/10.1080/02640414.2019.1656703

The aim of this study was to assess the reliability and validity of the bar-mounted PUSH BandTM 2.0 to determine peak and mean velocity during the bench press exercise with a moderate (60% one repetition maximum [1RM]) and heavy (90% 1RM) load. We di... Read More about The reliability and validity of the bar-mounted PUSH BandTM 2.0 during bench press with moderate and heavy loads.

Effect of onset threshold on kinetic and kinematic variables of a weightlifting derivative containing a first and second pull (2019)
Journal Article
James, L., Suchomel, T., McMahon, J., Chavda, S., & Comfort, P. (2020). Effect of onset threshold on kinetic and kinematic variables of a weightlifting derivative containing a first and second pull. Journal of Strength and Conditioning Research, 34(2), 298-307. https://doi.org/10.1519/JSC.0000000000003316

James, LP, Suchomel, TJ, McMahon, JJ, Chavda, S, and Comfort, P. Effect of onset threshold on kinetic and kinematic variables of a weightlifting derivative containing a first and second pull. J Strength Cond Res XX(X): 000-000, 2019-This study sought... Read More about Effect of onset threshold on kinetic and kinematic variables of a weightlifting derivative containing a first and second pull.

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).

Effects of an 8-week in-season upper limb elastic band training programme on the peak power, strength, and throwing velocity of junior handball players (2019)
Journal Article
Aloui, G., Hermassi, S., Hammami, M., Gaamouri, N., Bouhafs, E., Comfort, P., …Chelly, M. (2019). Effects of an 8-week in-season upper limb elastic band training programme on the peak power, strength, and throwing velocity of junior handball players. Sportverletzung, Sportschaden (Internet), 33(03), 133-141. https://doi.org/10.1055/a-0819-5185

Abstract Background Team handball is an intense sport with special requirements on technical and tactical skills as well as physical performance. The ability of handball players to make repeated powerful muscular contractions in pushing and throwing... Read More about Effects of an 8-week in-season upper limb elastic band training programme on the peak power, strength, and throwing velocity of junior handball players.

No effect of partial-body cryotherapy on restoration of countermovement-jump or well-being performance in elite rugby union players during the competitive phase of the season (2019)
Journal Article
Grainger, A., Comfort, P., & Heffernan, S. (2019). No effect of partial-body cryotherapy on restoration of countermovement-jump or well-being performance in elite rugby union players during the competitive phase of the season. International Journal of Sports Physiology and Performance, 15(1), 98-104. https://doi.org/10.1123/ijspp.2018-0911

Purpose:Partial body cryotherapy (PBC) has been shown to be beneficial for post-exercise recovery, however, no study has demonstrated the effectiveness of PBC as a recovery modality following elite rugby union (RU) training. RU is a unique sport that... Read More about No effect of partial-body cryotherapy on restoration of countermovement-jump or well-being performance in elite rugby union players during the competitive phase of the season.

Comparing biomechanical time series data during the hang-power clean and jump shrug (2019)
Journal Article
Kipp, K., Comfort, P., & Suchomel, T. (2021). Comparing biomechanical time series data during the hang-power clean and jump shrug. Journal of Strength and Conditioning Research, 35(9), 2389-2396. https://doi.org/10.1519/JSC.0000000000003154

The purpose of this study was to investigate differences in the force-, velocity-, displacement-, and power-time curves during the hang-power clean (HPC) and the jump shrug (JS). To this end, 15 male lacrosse players were recruited from a National Co... Read More about Comparing biomechanical time series data during the hang-power clean and jump shrug.

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.

Weightlifting overhead pressing derivatives : a review of the literature (2019)
Journal Article
Soriano, M., Suchomel, T., & Comfort, P. (2019). Weightlifting overhead pressing derivatives : a review of the literature. Sports Medicine, 49(6), 867-885. https://doi.org/10.1007/s40279-019-01096-8

This review examines the literature on weightlifting overhead pressing derivatives (WOPDs) and provides information regarding historical, technical, kinetic and kinematic mechanisms as well as potential benefits and guidelines to implement the use of... Read More about Weightlifting overhead pressing derivatives : a review of the literature.

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.

Between-Session Reliability of Isometric Midthigh Pull Kinetics and Maximal Power Clean Performance in Male Youth Soccer Players. (2018)
Journal Article
T, D., C, T., P, C., JJ, M., PA, J., NP, O., & AL, Y. (2018). Between-Session Reliability of Isometric Midthigh Pull Kinetics and Maximal Power Clean Performance in Male Youth Soccer Players. Journal of Strength and Conditioning Research, 32(12), https://doi.org/10.1519/jsc.0000000000001830

Between-session reliability of isometric midthigh pull kinetics and maximal power clean performance in male youth soccer players. J Strength Cond Res 32(12): 3373–3381, 2018—The aim of the study was to determine the between-session reliability of iso... Read More about Between-Session Reliability of Isometric Midthigh Pull Kinetics and Maximal Power Clean Performance in Male Youth Soccer Players..

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.

Optimizing Squat Technique—Revisited (2018)
Journal Article
Comfort, P., McMahon, J., & Suchomel, T. J. (2018). Optimizing Squat Technique—Revisited. Strength and Conditioning Journal, 40(6), 68-74. https://doi.org/10.1519/SSC.0000000000000398

The back squat is the cornerstone of many strength and conditioning programs, with increases in back squat strength associated with improvements in athletic performance. A variety of back squat techniques have been described throughout the literature... Read More about Optimizing Squat Technique—Revisited.

The validity of the Push Band 2.0 during vertical jump performance (2018)
Journal Article
Lake, J., Augustus, S., Austin, K., Mundy, P., McMahon, J., Comfort, P., & Haff, G. (2018). The validity of the Push Band 2.0 during vertical jump performance. Sports, 6(4), 140. https://doi.org/10.3390/sports6040140

The Push Band has the potential to provide a cheap and practical method of measuring velocity and power during countermovement vertical jumping (CMJ). However, very little is known about whether it conforms to laboratory-based gold standards. The aim... Read More about The validity of the Push Band 2.0 during vertical jump performance.

Resistance training volume load with and without exercise displacement (2018)
Journal Article
Hornsby, W., Gentles, J., Comfort, P., Suchomel, T., Mizuguchi, S., & Stone, M. (2018). Resistance training volume load with and without exercise displacement. Sports, 6(4), 137. https://doi.org/10.3390/sports6040137

Monitoring the resistance training volume load (VL) (sets × reps × load) is essential to managing resistance training and the recovery⁻adaptation process. Eight trained weightlifters, seven of which were at national level, participated in the study.... Read More about Resistance training volume load with and without exercise displacement.

Standardization and methodological considerations for the isometric mid-thigh pull (2018)
Journal Article
Comfort, P., Dos'Santos, T., Beckham, G., Stone, M., Guppy, S., & Haff, G. (2019). Standardization and methodological considerations for the isometric mid-thigh pull. Strength and Conditioning Journal, 41(2), 57-79. https://doi.org/10.1519/SSC.0000000000000433

The isometric mid-thigh pull (IMTP) is commonly used to assess an athlete’s force generation ability. This test is highly reliable and is simple and relatively quick to perform. The data that can be determined from the force-time curves generated by... Read More about Standardization and methodological considerations for the isometric mid-thigh pull.