Comparison of the force-, velocity- and power-time curves between the concentric-only and eccentric-concentric bench press exercises

Pérez-Castilla, A; Comfort, P; McMahon, JJ; Pestaña-Melero, FL; García-Ramos, A

doi:10.1519/JSC.0000000000002448

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.

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.

Within-subject consistency of unimodal and bimodal force application during the countermovement jump (2018)
Journal Article
Lake, J., & McMahon, J. (2018). Within-subject consistency of unimodal and bimodal force application during the countermovement jump. Sports, 6(4), 143. https://doi.org/10.3390/sports6040143

Countermovement jump (CMJ) force data are often time-normalized so researchers and practitioners can study the effect that sex, training status, and training intervention have on CMJ strategy: the so-called force⁻time curve shape. Data are often coll... Read More about Within-subject consistency of unimodal and bimodal force application during the countermovement jump.

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.

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.

Assessing the frequency and magnitude of match impacts accrued during an elite rugby union playing season (2018)
Journal Article
Grainger, A., McMahon, J., & Comfort, P. (2018). Assessing the frequency and magnitude of match impacts accrued during an elite rugby union playing season. International Journal of Performance Analysis in Sport, 18(4), 507-522. https://doi.org/10.1080/24748668.2018.1496392

The aim of this study was to identify position-related differences in absolute and relative match impacts in rugby union. Thirty-eight subjects were tracked, using GPS units containing inertial sensors, across one full playing season (n = 462 data se... Read More about Assessing the frequency and magnitude of match impacts accrued during an elite rugby union playing season.

An investigation into the effects of excluding the catch phase of the power clean on force-time characteristics during isometric and dynamic tasks (2018)
Journal Article
Comfort, P., Dos'Santos, T., Thomas, C., McMahon, J., & Suchomel, T. (2018). An investigation into the effects of excluding the catch phase of the power clean on force-time characteristics during isometric and dynamic tasks. Journal of Strength and Conditioning Research, 32(8), 2116-2129. https://doi.org/10.1519/JSC.0000000000002656

The aims of this study were to compare the effects of the exclusion or inclusion of the catch phase during power clean (PC) derivatives on force-time characteristics during isometric and dynamic tasks, after two 4-week mesocycles of resistance traini... Read More about An investigation into the effects of excluding the catch phase of the power clean on force-time characteristics during isometric and dynamic tasks.

Concurrent validity of a portable force plate using vertical jump force-time characteristics (2018)
Journal Article
Lake, J., Mundy, P., Comfort, P., McMahon, J., Suchomel, T., & Carden, P. (2018). Concurrent validity of a portable force plate using vertical jump force-time characteristics. Journal of Applied Biomechanics, 34(5), 410-413. https://doi.org/10.1123/jab.2017-0371

This study examined concurrent validity of countermovement vertical jump (CMJ) reactive strength index modified and force-time characteristics recorded using a one dimensional portable and laboratory force plate system. Twenty-eight men performed bil... Read More about Concurrent validity of a portable force plate using vertical jump force-time characteristics.

Variability of plyometric and ballistic exercise technique maintains jump performance (2018)
Journal Article
Chandler, P., Greig, M., & McMahon, J. (2018). Variability of plyometric and ballistic exercise technique maintains jump performance. Journal of Strength and Conditioning Research, 32(6), 1571-1582. https://doi.org/10.1519/JSC.0000000000002572

The aim of this study was to investigate changes in vertical jump technique over the course of a training session. Twelve plyometric and ballistic exercise trained male athletes (age = 23.4 ± 4.6 years, body mass = 78.7 ± 18.8 kg, height = 177.1 ± 9.... Read More about Variability of plyometric and ballistic exercise technique maintains jump performance.

Effect of Barbell Load on Vertical Jump Landing Force-Time Characteristics (2018)
Journal Article
Lake, J. P., Mundy, P. D., Comfort, P., McMahon, J. J., Suchomel, T. J., & Carden, P. (2023). Effect of Barbell Load on Vertical Jump Landing Force-Time Characteristics. Journal of Strength and Conditioning Research, 35(1), 25-32. https://doi.org/10.1519/jsc.0000000000002554

The aim of this study was to quantify the effect that barbell load has on the jump height and force-time characteristics of the countermovement jump (CMJ). Fifteen strength-trained men (mean ± SD: age 23 ± 2 years, mass 84.9 ± 8.1 kg, height 1.80 ± 0... Read More about Effect of Barbell Load on Vertical Jump Landing Force-Time Characteristics.

Relationship Between Reactive Strength Index Variants in Rugby League Players (2018)
Journal Article
McMahon, J. J., Suchomel, T. J., Lake, J. P., & Comfort, P. (2023). Relationship Between Reactive Strength Index Variants in Rugby League Players. Journal of Strength and Conditioning Research, 35(1), 280-285. https://doi.org/10.1519/jsc.0000000000002462

Two reactive strength index (RSI) variants exist, the RSI and RSI modified (RSImod) which are typically calculated during the drop jump (DJ) and countermovement jump (CMJ), respectively. Both RSI variants have been used to monitor athletes’ ability t... Read More about Relationship Between Reactive Strength Index Variants in Rugby League Players.

Understanding the key phases of the countermovement jump force-time curve (2018)
Journal Article
McMahon, J., Suchomel, T., Lake, J., & Comfort, P. (2018). Understanding the key phases of the countermovement jump force-time curve. Strength and Conditioning Journal, 40(4), 96-106. https://doi.org/10.1519/SSC.0000000000000375

The countermovement jump (CMJ) test is commonly conducted to assess
neuromuscular function and is being increasingly performed using force platforms.
Comprehensive insight into athletes’ neuromuscular function can be gained through detailed
analys... Read More about Understanding the key phases of the countermovement jump force-time curve.

Comparison of the force-, velocity- and power-time curves between the concentric-only and eccentric-concentric bench press exercises (2018)
Journal Article
Pérez-Castilla, A., Comfort, P., McMahon, J., Pestaña-Melero, F., & García-Ramos, A. (2020). Comparison of the force-, velocity- and power-time curves between the concentric-only and eccentric-concentric bench press exercises. Journal of Strength and Conditioning Research, 34(6), 1618-1624. https://doi.org/10.1519/JSC.0000000000002448

The aim of this study was to compare the temporal and mechanical variables between the concentric-only and eccentric-concentric bench press (BP) variants. Twenty-one men (age: 22.0±4.2 years, body mass: 73.4±7.7 kg, height: 177.2±8.0 cm; one-repetiti... Read More about Comparison of the force-, velocity- and power-time curves between the concentric-only and eccentric-concentric bench press exercises.

All Outputs (13)