2017
DOI: 10.1590/1980-5918.030.s01.ao07
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Abstract: Introduction: The pennation angle (PA) of a muscle is not static value, but it adapts to the conditions imposed by the contraction intensity required. Objective: This study investigates the effect of knee angle (KA) and intensity of contraction (IC) on PA of vastus lateralis (VL). Methods: Eight women and nine men executed isometric torques lasting 5s at the maximal voluntary contraction (MVC), 25%, 50% and 75% of MVC, on an isokinetic dynamometer with the KA at 90° and 120° (full extension = 180°). The P… Show more

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