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June 1, 2000Journal of Applied Physiology

Postactivation potentiation, fiber type, and twitch contraction time in human knee extensor muscles

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Population

20 young men

Comparison

10-s maximum voluntary isometric contraction (MVC) vs Pre-MVC baseline

Design

Cross-sectional

Authors

THTaku HamadaOsaka University of Health and Sport SciencesDSD. G. SaleMcMaster UniversityJMJ. D. MacDougallScripps Institution of Oceanography

Discussion

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Implication

Twitch kinetics may predict PAP in humans; hypothesis-generating and extends mammalian observations without supporting practice change.

Structured PICO

P
Population
20 young men
I
Intervention
10-s maximum voluntary isometric contraction (MVC)
C
Comparator
Pre-MVC baseline
O
Outcome
Postactivation potentiation (PAP) and its correlation with pre-MVC twitch time to peak torque (TPT) and fiber-type distributionsurrogate

Human muscles with shorter twitch contraction times and a higher percentage of type II fibers exhibit greater postactivation potentiation, similar to findings in small mammals.

Cite This Study

Hamada et al. (2000) studied this question.

synapsesocial.com/papers/69fc2c035a68782367dd949chttps://doi.org/10.1152/jappl.2000.88.6.2131
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