All Outputs (233)

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.

The perceived psychological responsibilities of a strength and conditioning coach (2018)
Journal Article
Radcliffe, J., Comfort, P., & Fawcett, T. (2018). The perceived psychological responsibilities of a strength and conditioning coach. Journal of Strength and Conditioning Research, 32(10), 2853-2862. https://doi.org/10.1519/JSC.0000000000001656

Research is limited in exploring the specific psychology-oriented responsibilities of the strength and conditioning professional. The present research explored the psychological responsibilities adopted by accredited strength and conditioning coaches... Read More about The perceived psychological responsibilities of a strength and conditioning coach.

Ultrasound characteristics of foot and ankle structures in healthy, coper, and chronically unstable ankles (2018)
Journal Article
Abdeen, R., Comfort, P., Starbuck, C., & Nester, C. (2018). Ultrasound characteristics of foot and ankle structures in healthy, coper, and chronically unstable ankles. Journal of Ultrasound in Medicine, 38(4), 917-926. https://doi.org/10.1002/jum.14770

Objective: Ankle sprains constitute approximately 85% of all ankle injuries and up to 70% of people experience residual symptoms. Whilst the injury to ligaments is well understood the potential role of other foot and ankle structures has not been exp... Read More about Ultrasound characteristics of foot and ankle structures in healthy, coper, and chronically unstable ankles.

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.

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.

Quadriceps Strength and Functional Performance After Anterior Cruciate Ligament Reconstruction in Professional Soccer players at Time of Return to Sport (2018)
Journal Article
Herrington, L., Hussain, G., & Comfort, P. (2021). Quadriceps Strength and Functional Performance After Anterior Cruciate Ligament Reconstruction in Professional Soccer players at Time of Return to Sport. Journal of Strength and Conditioning Research, 35(3), 769-775. https://doi.org/10.1519/jsc.0000000000002749

Poor quadriceps strength has been associated with poor outcome after anterior cruciate ligament (ACL) reconstruction (ACLR). This study aims to assess quadriceps strength, muscle inhibition, and hop test performance in professional soccer players aft... Read More about Quadriceps Strength and Functional Performance After Anterior Cruciate Ligament Reconstruction in Professional Soccer players at Time of Return to Sport.

Reliability of and relationship between flight time to contraction time ratio and reactive strength index modified (2018)
Journal Article
McMahon, J., Lake, J., & Comfort, P. (2018). Reliability of and relationship between flight time to contraction time ratio and reactive strength index modified. Sports, 6(3), 81. https://doi.org/10.3390/sports6030081

Countermovement jump (CMJ) force-time testing is commonly used to monitor seasonal alterations in athletes’ CMJ strategy (to infer alterations in neuromuscular function). The flight time to contraction time (FT:CT) ratio and reactive strength index m... Read More about Reliability of and relationship between flight time to contraction time ratio and reactive strength index modified.

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.