All Outputs (17)

The effect of exercise compliance on risk reduction for hamstring strain injury : a systematic review and meta-analyses (2021)
Journal Article
Ripley, N., Cuthbert, M., Ross, S., Comfort, P., & McMahon, J. (2021). The effect of exercise compliance on risk reduction for hamstring strain injury : a systematic review and meta-analyses. International Journal of Environmental Research and Public Health, 18(21), e11260. https://doi.org/10.3390/ijerph182111260

Eccentric strength training can reduce the risk of hamstring strain injury (HSI) occurrence; however, its implementation can be impacted by athlete compliance and prescription. The aim of this review was to investigate the effects of intervention com... Read More about The effect of exercise compliance on risk reduction for hamstring strain injury : a systematic review and meta-analyses.

No differences in weightlifting overhead pressing exercises kinetics (2021)
Journal Article
Soriano, M., Lake, J., Comfort, P., Suchomel, T., McMahon, J., Jiménez-Ormeño, E., & Sainz de Baranda, P. (2021). No differences in weightlifting overhead pressing exercises kinetics. Sports Biomechanics, 1-13. https://doi.org/10.1080/14763141.2021.1993983

This study aimed to compare the kinetics between the push press (PP), push jerk (PJ), and split jerk (SJ). Sixteen resistance-trained participants (12 men and 4 women; age: 23.8 ± 4.4 years; height: 1.7 ± 0.1 m; body mass: 75.7 ± 13.0 kg; weightlifti... Read More about No differences in weightlifting overhead pressing exercises kinetics.

A comparison of manual and automatic force-onset identification methodologies and their effect on force-time characteristics in the isometric midthigh pull (2021)
Journal Article
Guppy, S., Brady, C., Kotani, Y., Connolly, S., Comfort, P., Lake, J., & Haff, G. (2021). A comparison of manual and automatic force-onset identification methodologies and their effect on force-time characteristics in the isometric midthigh pull. Sports Biomechanics, 1-18. https://doi.org/10.1080/14763141.2021.1974532

The aim of this study was to assess the agreement of three different automated methods of identifying force-onset (40 N, 5 SDs, and 3 SDs) with manual identification, during the isometric mid-thigh pull (IMTP). Fourteen resistance-trained particip... Read More about A comparison of manual and automatic force-onset identification methodologies and their effect on force-time characteristics in the isometric midthigh pull.

Kinematic and neuromuscular measures of intensity during drop jumps in female volleyball players (2021)
Journal Article
Torres-Banduc, M., Ramirez-Campillo, R., Andrade, D., Calleja-González, J., Nikolaidis, P., McMahon, J., & Comfort, P. (2021). Kinematic and neuromuscular measures of intensity during drop jumps in female volleyball players. Frontiers in Psychology, 12, 724070. https://doi.org/10.3389/fpsyg.2021.724070

The aim of this study was to assess drop jump (DJ) performance variables (jump height, contact time, and reactive strength index) concomitant to surface electromyography (sEMG) of lower limb muscles during DJs from different drop heights (intensities... Read More about Kinematic and neuromuscular measures of intensity during drop jumps in female volleyball players.

A proposed method for evaluating drop jump performance with one force platform (2021)
Journal Article
McMahon, J., Lake, J., Stratford, C., & Comfort, P. (2021). A proposed method for evaluating drop jump performance with one force platform. Biomechanics, 1(2), 178-189. https://doi.org/10.3390/biomechanics1020015

The drop jump (DJ) is commonly utilised to assess athletes. The criterion two force platform (2FP) method of assessing DJ performance involves two adjacent force platforms, one for the box and one for the athlete to rebound from. Most researchers and... Read More about A proposed method for evaluating drop jump performance with one force platform.

How effective is an evidence-based exercise intervention in individuals with patellofemoral pain? (2021)
Journal Article
Greaves, H., Comfort, P., Liu, A., Herrington, L., & Jones, R. (2021). How effective is an evidence-based exercise intervention in individuals with patellofemoral pain?. Physical Therapy in Sport, 51, 92-101. https://doi.org/10.1016/j.ptsp.2021.05.013

Objectives Guidelines for a comprehensive rehabilitation programme for patellofemoral pain (PFP) have been developed by international experts. The aim of this study was to analyse the effect of such a rehabilitative exercise programme on pain, funct... Read More about How effective is an evidence-based exercise intervention in individuals with patellofemoral pain?.

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.

Is there a relationship between the overhead press and split jerk maximum performance? Influence of sex (2021)
Journal Article
Soriano, M., Haff, G., Comfort, P., Amaro-Gahete, F., Torres-González, A., García-Cifo, A., …de Baranda, P. (2022). Is there a relationship between the overhead press and split jerk maximum performance? Influence of sex. International journal of Sports Science & Coaching, 17(1), 143-150. https://doi.org/10.1177/17479541211020452

The aims of this study were to (I) determine the differences and relationship between the overhead press and split jerk performance in athletes involved in weightlifting training, and (II) explore the magnitude of these differences in one-repetition... Read More about Is there a relationship between the overhead press and split jerk maximum performance? Influence of sex.

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.

Effects of variations in resistance training frequency on strength development in well-trained populations and implications for in-season athlete training : a systematic review and meta-analysis (2021)
Journal Article
Cuthbert, M., Haff, G., Arent, S., Ripley, N., McMahon, J., Evans, M., & Comfort, P. (2021). Effects of variations in resistance training frequency on strength development in well-trained populations and implications for in-season athlete training : a systematic review and meta-analysis. Sports Medicine, 51(9), 1967-1982. https://doi.org/10.1007/s40279-021-01460-7

In-season competition and tournaments for team sports can be both long and congested, with some sports competing up to three times per week. During these periods of time, athletes need to prepare technically, tactically and physically for the next fi... Read More about Effects of variations in resistance training frequency on strength development in well-trained populations and implications for in-season athlete training : a systematic review and meta-analysis.

Electromyographical Differences Between the Hyperextension and Reverse-Hyperextension (2021)
Journal Article
Cuthbert, M., Ripley, N. J., Suchomel, T. J., Alejo, R., McMahon, J. J., & Comfort, P. (2021). Electromyographical Differences Between the Hyperextension and Reverse-Hyperextension. Journal of Strength and Conditioning Research, 35(6), 1477-1483. https://doi.org/10.1519/jsc.0000000000004049

The aims of this study were to compare muscle activation of the erector spinae (ES), gluteus maximus (GMax), and biceps femoris (BF) during the hyperextension (HE) and reverse-HE (RHE) exercises. Ten subjects (age, 23 ± 4 years; height, 175.9 ± 6.9 c... Read More about Electromyographical Differences Between the Hyperextension and Reverse-Hyperextension.

Comparing the effects of plyometric and isometric strength training on dynamic and isometric force-time characteristics (2021)
Journal Article
Lum, D., Comfort, P., M. Barbosa, T., & Balasekaran, G. (2022). Comparing the effects of plyometric and isometric strength training on dynamic and isometric force-time characteristics. Biology of Sport, 39(1), 189-197. https://doi.org/10.5114/BIOLSPORT.2022.103575

The purpose of the study was to compare the change in dynamic and isometric force-time characteristics after plyometric (PLYO) or isometric strength training (ISO). Twenty-two endurance runners (age = 37 ± 6 years,stature = 1.71 ± 0.05 m, body mass... Read More about Comparing the effects of plyometric and isometric strength training on dynamic and isometric force-time characteristics.

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?.

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.

Unilateral vs. bilateral hamstring strength assessments : comparing reliability and inter-limb asymmetries in female soccer players (2021)
Journal Article
Cuthbert, M., Comfort, P., Ripley, N., McMahon, J., Evans, M., & Bishop, C. (2021). Unilateral vs. bilateral hamstring strength assessments : comparing reliability and inter-limb asymmetries in female soccer players. Journal of Sports Sciences, 39(13), 1481-1488. https://doi.org/10.1080/02640414.2021.1880180

The aims in the present study were to assess reliability for two unilateral and two bilateral field-based hamstring assessments and compare magnitude, direction and agreement of inter-limb asymmetry between tests and sessions. Twenty-nine female socc... Read More about Unilateral vs. bilateral hamstring strength assessments : comparing reliability and inter-limb asymmetries in female soccer players.

Modifiable risk factors of hamstring strain injury : assessment, performance and training (2021)
Thesis
Ripley, N. Modifiable risk factors of hamstring strain injury : assessment, performance and training. (Thesis). University of Salford

Hamstring strain injuries (HSIs), which are typically sustained during high velocity movements (i.e., sprinting or high velocity running), commonly involves the bicep femoris long head (BFLH). To date, the Nordic hamstring exercise (NHE) is the most... Read More about Modifiable risk factors of hamstring strain injury : assessment, performance and training.