Journal
JOURNAL OF BIOMECHANICS
Volume 47, Issue 6, Pages 1531-1536Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jbiomech.2014.02.009
Keywords
Muscle; Model; Serial damping; Eccentric contraction; Force velocity relation; Multi-body simulation
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Hill-type muscle models are commonly used in biomechanical simulations to predict passive and active muscle forces. Here, a model is presented which consists of four elements: a contractile element with force-length and force-velocity relations for concentric and eccentric contractions, a parallel elastic element, a series elastic element, and a serial damping element. With this, it combines previously published effects relevant for muscular contraction, i.e. serial damping and eccentric force-velocity relation. The model is exemplarily applied to arm movements. The more realistic representation of the eccentric force-velocity relation results in human-like elbow-joint flexion. The model is provided as ready to use Matlab (R) and Simulink (R) code. (C) 2014 Elsevier Ltd. All rights reserved.
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