All Outputs (23)

Effect of different onset thresholds on isometric midthigh pull force-time variables (2017)
Journal Article
Dos'Santos, T., Jones, P., Comfort, P., & Thomas, C. (2017). Effect of different onset thresholds on isometric midthigh pull force-time variables. Journal of Strength and Conditioning Research, 31(12), 3463-3473. https://doi.org/10.1519/JSC.0000000000001765

Dos'Santos, T, Jones, PA, Comfort, P, and Thomas, C. Effect of different onset thresholds on isometric midthigh pull force-time variables. J Strength Cond Res 31(12): 3463–3473, 2017—Various thresholds have been used to identify the onset of contract... Read More about Effect of different onset thresholds on isometric midthigh pull force-time variables.

Lack of effect of ankle position during the Nordic curl on muscle activity of the biceps femoris and medial gastrocnemius (2017)
Journal Article
Comfort, P., Regan, A., Herrington, L., Thomas, C., McMahon, J., & Jones, P. (2017). Lack of effect of ankle position during the Nordic curl on muscle activity of the biceps femoris and medial gastrocnemius. Journal of Sport Rehabilitation, 26(3), 202-207. https://doi.org/10.1123/jsr.2015-0130

Context: Regular performance (~2×/wk) of Nordic curls has been shown to increase hamstring strength and reduce the risk of hamstring strain injury, although no consensus on ankle position has been provided. Objective: To compare the effects of p... Read More about Lack of effect of ankle position during the Nordic curl on muscle activity of the biceps femoris and medial gastrocnemius.

Load absorption force-time characteristics following the second pull of weightlifting derivatives (2017)
Journal Article
Suchomel, T. J., Lake, J. P., & Comfort, P. (2017). Load absorption force-time characteristics following the second pull of weightlifting derivatives. Journal of Strength and Conditioning Research, 31(6), 1644-1652. https://doi.org/10.1519/JSC.0000000000001634

Load absorption force-time characteristics following the second pull of weightlifting derivatives. J Strength Cond Res 31(6): 1644–1652, 2017—The purpose of this study was to compare the load absorption force-time characteristics of weightlifting cat... Read More about Load absorption force-time characteristics following the second pull of weightlifting derivatives.

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 effects of a four week jump-training program on frontal plane projection angle in female gymnasts (2017)
Journal Article
Colclough, A., Munro, A., Herrington, L., McMahon, J., & Comfort, P. (2018). The effects of a four week jump-training program on frontal plane projection angle in female gymnasts. Physical Therapy in Sport, 30, 29-33. https://doi.org/10.1016/j.ptsp.2017.11.003

Objectives: To investigate the effects of a four week jump training program on frontal plane projection angle (FPPA) in young female gymnasts. Design: Intervention study, consisting of a four week jump training program performed for 15 minutes as... Read More about The effects of a four week jump-training program on frontal plane projection angle in female gymnasts.

Returners exhibit greater jumping performance improvements during a peaking phase compared to new players on a volleyball team (2017)
Journal Article
Bazyler, C., Mizuguchi, S., Kavanaugh, A., McMahon, J., Comfort, P., & Stone, M. (2017). Returners exhibit greater jumping performance improvements during a peaking phase compared to new players on a volleyball team. International Journal of Sports Physiology and Performance, 13(6), 709-716. https://doi.org/10.1123/ijspp.2017-0474

Purpose: To determine if jumping performance changes during a peaking phase differed between returners and new players in a female collegiate volleyball team and to determine which variables best explained the variation in performance changes. Metho... Read More about Returners exhibit greater jumping performance improvements during a peaking phase compared to new players on a volleyball team.

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.

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.

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.

Assessment of loaded squat jump height with a free-weight barbell and Smith machine : comparison of the take-off velocity and flight time procedures (2017)
Journal Article
Pérez-Castilla, A., McMahon, J., Comfort, P., & García-Ramos, A. (2020). Assessment of loaded squat jump height with a free-weight barbell and Smith machine : comparison of the take-off velocity and flight time procedures. Journal of Strength and Conditioning Research, 34(3), 671-677. https://doi.org/10.1519/JSC.0000000000002166

The aims of this study were to compare the reliability and magnitude of jump height between the two standard procedures of analysing force platform data to estimate jump height (take-off velocity [TOV] and flight time [FT]) in the loaded squat jump (... Read More about Assessment of loaded squat jump height with a free-weight barbell and Smith machine : comparison of the take-off velocity and flight time procedures.

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.

A comparison of catch phase force-time characteristics during clean derivatives from the knee (2017)
Journal Article
Comfort, P., Williams, R., Suchomel, T., & Lake, J. (2017). A comparison of catch phase force-time characteristics during clean derivatives from the knee. Journal of Strength and Conditioning Research, 31(7), 1911-1918. https://doi.org/10.1519/JSC.0000000000001660

The aim of this study was to compare load-absorption force-time characteristics of the clean from the knee (CK), power clean from the knee (PCK) and clean pull from the knee (CPK). Ten collegiate athletes (age 27.5 ± 4.2 years; height 180.4 ± 6.7 cm;... Read More about A comparison of catch phase force-time characteristics during clean derivatives from the knee.

Countermovement jump phase characteristics of senior and academy rugby league players (2017)
Journal Article
McMahon, J., Murphy, S., Rej, S., & Comfort, P. (2017). Countermovement jump phase characteristics of senior and academy rugby league players. International Journal of Sports Physiology and Performance, 12(6), 803-811. https://doi.org/10.1123/ijspp.2016-0467

Purpose: Gross measures of countermovement jump (CMJ) performance are commonly used to track maturational changes in neuromuscular function within rugby league (RL). The purpose of this study was to conduct both a gross and a more detailed tempor... Read More about Countermovement jump phase characteristics of senior and academy rugby league 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.

Enhancing the force-velocity profile of athletes using weightlifting derivatives (2017)
Journal Article
Suchomel, T., Comfort, P., & Lake, P. (2017). Enhancing the force-velocity profile of athletes using weightlifting derivatives. Strength and Conditioning Journal, 39(1), 10-20. https://doi.org/10.1519/SSC.0000000000000275

Weightlifting movements and their derivatives may be implemented in a sequenced progression throughout the training year to optimize the development of an athlete’s strength, rate of force development, and power output. Weightlifting movements and th... Read More about Enhancing the force-velocity profile of athletes using weightlifting derivatives.