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Title: Region specificity of rectus femoris muscle for force vectors in vivo.
Authors: Hagio, Shota
Nagata, Kaori
Kouzaki, Motoki  kyouindb  KAKEN_id
Author's alias: 神崎, 素樹
Keywords: Bi-articular muscle
Wire electrode
Electrical stimulation
Issue Date: 3-Jan-2012
Publisher: Elsevier Ltd.
Journal title: Journal of biomechanics
Volume: 45
Issue: 1
Start page: 179
End page: 182
Abstract: To examine the region specificity within the rectus femoris (RF) for knee extension and hip flexion force directions, three force components around the ankle were measured during intramuscular electrical stimulation applied to six parts of the RF: a proximal and medial part, a proximal and lateral part, a middle and medial part, a middle and lateral part, a distal and medial part, and a distal and lateral part. As a result, the exerted force directions in all of the subjects were variable in all regions, and the proximal region of the RF was the dominant contributor to the hip flexion moment. In addition, the force in the lateral region of the RF, rather than that in the medial region, denoted the lateral direction. These results suggest that divergent regions of muscle fibers within the RF are responsible for different functions in determining the force direction.
Rights: © 2011 Elsevier Ltd.
This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
URI: http://hdl.handle.net/2433/152366
DOI(Published Version): 10.1016/j.jbiomech.2011.10.012
PubMed ID: 22030124
Appears in Collections:Journal Articles

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