Muscle Activation Patterns during Force Generation of the Index Finger

被引：7
|
作者：
Qiu, Dan [1 ]
Fischer, Heidi C. [2 ]
Kamper, Derek G. [1 ]
机构：
[1] IIT, Chicago, IL 60616 USA
[2] Rehabil Inst Chicago, Chicago, IL 60611 USA
来源：
2009 ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY, VOLS 1-20 | 2009年
基金：
美国国家卫生研究院;
关键词：
STROKE;
D O I：
10.1109/IEMBS.2009.5333525
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
The article investigated whether joint postures affect index finger muscle activation patterns. Ten subjects attempted to produce submaximal isometric forces in six orthogonal directions (palmar, dorsal, abduction, adduction, distal and proximal) at each of 9 different joint postures. Activation patterns were recorded from intramuscular electrodes inserted into 6 of the index finger muscles. Post hoc statistical analysis revealed that joint angles significantly affected muscle activation levels for each of the force directions. Activation was especially sensitive to interphalangeal joint angles; changes in these angles led to not only changes in the magnitude of activation but to changes in patterns as well.
引用
收藏
页码：3987 / +
页数：2
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