All Outputs (12)

The effect of different onset thresholds on isometric hamstring force-time variables using force plates (2025)
Journal Article

Introduction. There is an increasing frequency of single joint isometric assessments using force plates within team sports to inform training decisions; however, limited methodological consistency has been identifi ed within the literature , includin... Read More about The effect of different onset thresholds on isometric hamstring force-time variables using force plates.

Normative data and objective benchmarks for selected force plate tests for professional and youth soccer players in the English Football League (2025)
Journal Article

The aim of this study was to establish objective benchmarks for countermovement jump (CMJ), countermovement rebound jump (CMRJ), and isometric mid-thigh pull (IMTP) metrics in male professional and youth soccer players. Professional (N = 139; age: 24... Read More about Normative data and objective benchmarks for selected force plate tests for professional and youth soccer players in the English Football League.

Lower Limb Muscle Strength Matters: Effect of Relative Isometric Strength on Countermovement and Rebound Jump Performance in Elite Youth Female Soccer Players (2025)
Journal Article

Background: Expression of maximal and rapid force in the hip, knee, and plantar flexors is important for athletic performance in female soccer. This study was designed to determine the effect of relative isometric strength in the isometric mid-thigh... Read More about Lower Limb Muscle Strength Matters: Effect of Relative Isometric Strength on Countermovement and Rebound Jump Performance in Elite Youth Female Soccer Players.

Comparison of physical characteristics among english professional and semi-professional soccer players across different leagues (2025)
Journal Article

The purpose of the present study was to investigate if differences exist in neuromuscular qualities between different leagues in English male soccer. Twenty soccer players (age: 23.3 ± 5.2 years, stature: 180.3 ± 7.0 cm, mass: 82.5 ± 7.7 kg) from Eng... Read More about Comparison of physical characteristics among english professional and semi-professional soccer players across different leagues.

Effect of Relative Isometric Strength on Countermovement Jump Performance in Professional and Semi-Professional Soccer Players (2025)
Journal Article

As powerful actions commonly proceed goal scoring opportunities within soccer, enhancing powerful actions could be essential to optimize performance. There is a large body of evidence supporting the positive associations between maximal isometric mid... Read More about Effect of Relative Isometric Strength on Countermovement Jump Performance in Professional and Semi-Professional Soccer Players.

Changes in Single Leg Countermovement Jump Force-Time Characteristics Pre, Post and 2 Days Postmatch in Elite Girls' Youth Soccer (2025)
Journal Article

This study was designed to assess changes in force–time characteristics during the single leg countermovement jump pre- (n 5 122), immediately postmatch (n 5 121), and 2 days postmatch (MD +2, n 5 105) in elite girls’ soccer players (n 5 32, 13.9 6 1... Read More about Changes in Single Leg Countermovement Jump Force-Time Characteristics Pre, Post and 2 Days Postmatch in Elite Girls' Youth Soccer.

Match demands on officials and umpires across variations of lacrosse (2024)
Journal Article

The physical demands on lacrosse officials throughout different variants of the game remain largely unknown. The purpose of this study was to quantify the match demands of officials in field lacrosse (FL), box lacrosse (BL) and sixes lacrosse (SL). T... Read More about Match demands on officials and umpires across variations of lacrosse.

The Physical Performance Uncertainty Facing Lacrosse Officials for the Los Angeles Olympics in 2028 (2024)
Journal Article
Ripley, N., Fahey, J., & Quinn, M. (in press). The Physical Performance Uncertainty Facing Lacrosse Officials for the Los Angeles Olympics in 2028. Strength and Conditioning Journal, https://doi.org/10.1519/ssc.0000000000000873

Sixes Lacrosse (SL) is a newly developed format of field lacrosse (FL) to be included in the 2028 Los Angeles Olympics. Officials are crucial to upholding the rules of the game and maintaining player safety. There is currently no evidence of the matc... Read More about The Physical Performance Uncertainty Facing Lacrosse Officials for the Los Angeles Olympics in 2028.

Kinematic, Neuromuscular and Bicep Femoris In Vivo Mechanics during the Nordic Hamstring Exercise and Variations of the Nordic Hamstring Exercise (2024)
Journal Article

The Nordic hamstring exercise (NHE) is effective at decreasing hamstring strain injury risk. Limited information is available on the in vivo mechanics of the bicep femoris long head (BFLH) during the NHE. Therefore, the purpose of this study was to o... Read More about Kinematic, Neuromuscular and Bicep Femoris In Vivo Mechanics during the Nordic Hamstring Exercise and Variations of the Nordic Hamstring Exercise.

Early Versus Late Rapid Force Production During Single-Joint Isometric Hamstring Assessment Using Force Plates. (2024)
Journal Article
Ripley, N. J., Barber, R., Fahey, J. T., Fahey, J., & Comfort, P. (2024). Early Versus Late Rapid Force Production During Single-Joint Isometric Hamstring Assessment Using Force Plates. Journal of Strength and Conditioning Research, https://doi.org/10.1519/JSC.0000000000004911

Ripley, NJ, Barber, R, Fahey, JT, and Comfort, P. Early versus late rapid force production during single-joint isometric hamstring assessment using force plates. J Strength Cond Res XX(X): 000-000, 2024-The aim of this study was to assess differences... Read More about Early Versus Late Rapid Force Production During Single-Joint Isometric Hamstring Assessment Using Force Plates..

Rapid force generation during unilateral isometric hamstring assessment: reliability and relationship to maximal force. (2023)
Journal Article
Ripley, N., Fahey, J., Cuthbert, M., McMahon, J., & Comfort, P. (2023). Rapid force generation during unilateral isometric hamstring assessment: reliability and relationship to maximal force. Sports Biomechanics, 1-12. https://doi.org/10.1080/14763141.2023.2276316

Limited research has reported the reliability of rapid force generation characteristics during isometric assessments of the hamstrings. Therefore, the purpose of the present study was to determine the between-session reliability of rapid force genera... Read More about Rapid force generation during unilateral isometric hamstring assessment: reliability and relationship to maximal force..

Peak Running Speeds in Professional Male Football: Influence of Division and Playing Position (2022)
Journal Article
Fahey, J. T., Aldred, K., Greig, M., & Rhodes, D. (in press). Peak Running Speeds in Professional Male Football: Influence of Division and Playing Position. Journal of Strength and Conditioning Research, 37(3), 636-640. https://doi.org/10.1519/jsc.0000000000004298

Well-established physical demands of competitive professional football facilitate prescription and monitoring of training. However, many factors influence these physical demands with implications for efficacious practice. Match-play data were analyze... Read More about Peak Running Speeds in Professional Male Football: Influence of Division and Playing Position.