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Muscle architectural and force-velocity curve adaptations following 10 weeks of training with weightlifting catching and pulling derivatives (2022)
Journal Article
Suchomel, T., McKeever, S., Nolen, J., & Comfort, P. (2022). Muscle architectural and force-velocity curve adaptations following 10 weeks of training with weightlifting catching and pulling derivatives. Journal of Sports Science and Medicine, 21(4), 504-516. https://doi.org/10.52082/jssm.2022.504

The aims of this study were to examine the muscle architectural, rapid force production, and force-velocity curve adaptations following 10 weeks of resistance training with either submaximal weightlifting catching (CATCH) or pulling (PULL) derivative... Read More about Muscle architectural and force-velocity curve adaptations following 10 weeks of training with weightlifting catching and pulling derivatives.

The Effect of Rest Redistribution on Kinetic and Kinematic Variables During the Countermovement Shrug. (2022)
Journal Article
Meechan, D., McMahon, J. J., Suchomel, T. J., & Comfort, P. (in press). The Effect of Rest Redistribution on Kinetic and Kinematic Variables During the Countermovement Shrug. Journal of Strength and Conditioning Research, 37(7), 1358-1366. https://doi.org/10.1519/JSC.0000000000004238

This study compared the effects of rest redistribution (RR) on kinetic and kinematic variables during the countermovement shrug (CMS). Twenty-one male subjects (age 27.2 ± 3.3. years, height 1.78 ± 0.07 m, body mass 77.2 ±10.6 kg, relative one repeti... Read More about The Effect of Rest Redistribution on Kinetic and Kinematic Variables During the Countermovement Shrug..

Force plate-derived countermovement jump normative data and benchmarks for professional Rugby League players (2022)
Journal Article
McMahon, J., Ripley, N., & Comfort, P. (2022). Force plate-derived countermovement jump normative data and benchmarks for professional Rugby League players. Sensors, 22(22), 8669. https://doi.org/10.3390/s22228669

The countermovement jump (CMJ) is an important test in rugby league (RL), and the force plate is the recommended assessment device, as it permits the calculation of several variables that explain jump strategy, alongside jump height. The purpose of t... Read More about Force plate-derived countermovement jump normative data and benchmarks for professional Rugby League players.

A comparison of three load-velocity based methods to estimate maximum overhead press performance in weightlifters (2022)
Journal Article
Soriano, M. A., Jiménez-Ormeño, E., Haff, G. G., Comfort, P., Giráldez-Costas, V., Ruiz-Moreno, C., & García-Ramos, A. (2022). A comparison of three load-velocity based methods to estimate maximum overhead press performance in weightlifters. International journal of Sports Science & Coaching, 18(5), 1585-1593. https://doi.org/10.1177/17479541221115854

This study aimed to evaluate whether lifting velocity can be used to estimate the overhead press one repetition maximum (1RM) and to explore the differences in the accuracy of the 1RM between three velocity-based methods. Twenty-seven weightlifters (... Read More about A comparison of three load-velocity based methods to estimate maximum overhead press performance in weightlifters.

Rate of force development adaptations after weightlifting-style training: the influence of power clean ability. (2022)
Journal Article
James, L., Suchomel, T., Comfort, P., Haff, G., & Connick, M. (2022). Rate of force development adaptations after weightlifting-style training: the influence of power clean ability. Journal of Strength and Conditioning Research, 36(6), 1560-1567. https://doi.org/10.1519/JSC.0000000000003673

This experiment examined changes to the rate of force development (RFD) expressed under loaded jump conditions between individuals with a higher (stronger) and lower (weaker) weightlifting performance (as assessed by the 1 repetition maximum [RM] pow... Read More about Rate of force development adaptations after weightlifting-style training: the influence of power clean ability..

How Does Lower-Body and Upper-Body Strength Relate to Maximum Split Jerk Performance? (2022)
Journal Article
Soriano, M. A., Jiménez-Ormeño, E., Amaro-Gahete, F. J., Haff, G. G., & Comfort, P. (2022). How Does Lower-Body and Upper-Body Strength Relate to Maximum Split Jerk Performance?. Journal of Strength and Conditioning Research, 36(8), 2102-2107. https://doi.org/10.1519/jsc.0000000000004289

The aims of this study were to (I) determine the relationships between the maximum dynamic strength of the upper and lower body, measured by overhead press and back squat 1 repetition maximum (1RM) performances, and the split jerk (SJ) performance in... Read More about How Does Lower-Body and Upper-Body Strength Relate to Maximum Split Jerk Performance?.

Comparison between methods to estimate bicep femoris fascicle length from three estimation equations using a 10 cm ultrasound probe (2022)
Journal Article
Ripley, N., Comfort, P., & McMahon, J. (2022). Comparison between methods to estimate bicep femoris fascicle length from three estimation equations using a 10 cm ultrasound probe. Measurement in Physical Education and Exercise Science, 27(1), 43-50. https://doi.org/10.1080/1091367X.2022.2063689

The aim of the present study was to determine the reliability and differences between three fascicle length (FL) estimation methods when utilizing a 10-cm ultrasound (US) probe. Thirteen males (24.1 ± 3.8 years, 79.3 ± 14 kg, 179 ± 6.6 cm) participat... Read More about Comparison between methods to estimate bicep femoris fascicle length from three estimation equations using a 10 cm ultrasound probe.

Identifying and reporting position-specific countermovement jump outcome and phase characteristics within rugby league. (2022)
Journal Article
McMahon, J., Lake, J., & Comfort, P. (2022). Identifying and reporting position-specific countermovement jump outcome and phase characteristics within rugby league. PLoS ONE, 17(3), e0265999. https://doi.org/10.1371/journal.pone.0265999

The countermovement jump (CMJ) has been suggested to be an important test of neuromuscular performance for rugby league (RL) players. Identifying force platform-derived CMJ variables that may be more applicable to RL positions (e.g., forwards and bac... Read More about Identifying and reporting position-specific countermovement jump outcome and phase characteristics within rugby league..

Intra- and Interday Reliability of Weightlifting Variables and Correlation to Performance During Cleans (2022)
Journal Article
Sorensen, A. M., Chavda, S., Comfort, P., Lake, J., & Turner, A. N. (2022). Intra- and Interday Reliability of Weightlifting Variables and Correlation to Performance During Cleans. Journal of Strength and Conditioning Research, 36(11), 3008-3014. https://doi.org/10.1519/jsc.0000000000004241

Sorensen, AM, Chavda, S, Comfort, P, Lake, J, and Turner, AN. Intra- and interday reliability of weightlifting variables and correlation to performance during cleans. J Strength Cond Res 36(11): 3008–3014, 2022—The purpose of this investigation was t... Read More about Intra- and Interday Reliability of Weightlifting Variables and Correlation to Performance During Cleans.

The Reliability and Magnitude of Time-Dependent Force-Time Characteristics During the Isometric Midthigh Pull Are Affected by Both Testing Protocol and Analysis Choices (2022)
Journal Article
Guppy, S. N., Kotani, Y., Brady, C. J., Connolly, S., Comfort, P., & Haff, G. G. (2022). The Reliability and Magnitude of Time-Dependent Force-Time Characteristics During the Isometric Midthigh Pull Are Affected by Both Testing Protocol and Analysis Choices. Journal of Strength and Conditioning Research, 36(5), 1191-1199. https://doi.org/10.1519/jsc.0000000000004229

Guppy, SN, Kotani, Y, Brady, CJ, Connolly, S, Comfort, P, and Haff, GG. Title: The reliability and magnitude of time-dependent force-time characteristics during the isometric mid-thigh pull are impacted by both testing protocol and analysis choices.... Read More about The Reliability and Magnitude of Time-Dependent Force-Time Characteristics During the Isometric Midthigh Pull Are Affected by Both Testing Protocol and Analysis Choices.

The reliability of novel, temporal-based dynamic strength index metrics. (2022)
Journal Article
James, L., & Comfort, P. (2022). The reliability of novel, temporal-based dynamic strength index metrics. Sports Biomechanics, 1-12. https://doi.org/10.1080/14763141.2022.2032298

The purpose of this study was: i) to determine the reliability of alternate forms of the dynamic strength index (DSI) calculated over time-specific intervals that represent decisive actions in sport and ii) to assess the association between the origi... Read More about The reliability of novel, temporal-based dynamic strength index metrics..