Changes in the Force-Velocity Mechanical Profile After Short Resistance Training Programs Differing in Set Configurations
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Changes in the Force-Velocity Mechanical Profile After Short Resistance Training Programs Differing in Set ConfigurationsAuthor(s)
Date
2017Citation
Iglesias-Soler, E., Fernández-Del-Olmo, M., Mayo, X., Fariñas, J., Río-Rodríguez, D., Carballeira, E., Carnero, E. A., Standley, R. A., Giráldez-García, M. A., Dopico-Calvo, X., & Tuimil, J. L. (2017). Changes in the Force-Velocity Mechanical Profile After Short Resistance Training Programs Differing in Set Configurations. Journal of applied biomechanics, 33(2), 144–152. https://doi.org/10.1123/jab.2016-0181
Abstract
[Abstract] : The main aim of this study was to analyze the effect of resistance training programs differing in set configuration on mechanical force-velocity profiles. Thirteen participants performed 10 unilateral knee extension training sessions over 5 weeks. Each limb was randomized to one of the following set configurations: traditional (4 sets of 8 repetitions at maximum intended velocity, 10RM load, 3-min pause between sets) or interrepetition rest (32 maximum intended velocity repetitions, 10RM load, 17.4 s
of rest between each repetition). Velocity of each repetition was recorded throughout the program. Before and after training, individual linear force velocities were calculated, and the following parameters were obtained: force and velocity axis intercept, slope, and estimated maximum power. Mean velocity was higher throughout the program for interrepetition rest configuration (0.54 ± 0.01 vs. 0.48 ± 0.01 m∙s–1 for interrepetition rest, and traditional configuration respectively; main effect of set configuration:
P < .001). There was a significant increase in force and velocity intercepts, but a steeper negative slope after both training protocols (main effect of time: P < .001 for every variable). Differences in resistance training velocity did not affect the adaptations. Our results suggest that, in a short-term program, maximum intended rather than actual velocity is a key factor to modulate strength adaptations.
Keywords
Strength
Kinetics
Power output
Knee extension
Kinetics
Power output
Knee extension
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© 2017 Human Kinetics, Inc.
ISSN
1065-8483