Role of gastrocnemius-soleus muscle in forefoot force transmission at heel rise - A 3D finite element analysis

Journal of Biomechanics
Wen-Ming ChenTaeyong Lee

Abstract

The functions of the gastrocnemius-soleus (G-S) complex and other plantar flexor muscles are to stabilize and control major bony joints, as well as to provide primary coordination of the foot during the stance phase of gait. Geometric positioning of the foot and transferring of plantar loads can be adversely affected when muscular control is abnormal (e.g., equinus contracture). Although manipulation of the G-S muscle complex by surgical intervention (e.g., tendo-Achilles lengthening) is believed to be effective in restoring normal plantar load transfer in the foot, there is lack of quantitative data supporting that notion. Thus, the objective of this study is to formulate a three-dimensional musculoskeletal finite element model of the foot to quantify the precise role of the G-S complex in terms of biomechanical response of the foot. The model established corresponds to a muscle-demanding posture during heel rise, with simulated activation of major extrinsic plantar flexors. In the baseline (reference) case, required muscle forces were determined from what would be necessary to generate the targeted resultant ground reaction forces. The predicted plantar load transfer through the forefoot plantar surface, as indicated by plant...Continue Reading

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Citations

Jul 15, 2015·Journal of Physical Therapy Science·Hiroyuki FujisawaMakoto Suzuki
Mar 5, 2014·Scandinavian Journal of Medicine & Science in Sports·J OzawaN Matsuura
Jul 2, 2014·Computer Methods in Biomechanics and Biomedical Engineering·Wen-Ming Chen, Peter Vee-Sin Lee
Oct 21, 2016·Journal of the Mechanical Behavior of Biomedical Materials·Ryo SuzukiNaomichi Ogihara
Oct 1, 2014·Scientific Reports·Hideyuki IshiiTakeo Maruyama
Sep 6, 2014·Foot & Ankle International·Yen-Nien ChenCheng-Feng Lin
Jun 24, 2015·Annals of Biomedical Engineering·Yan WangMing Zhang
Feb 9, 2020·Medical Engineering & Physics·Sana Sadeghi, Hadi Taghizadeh

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