Anticipatory activation of postural muscles associated with bilateral arm flexion in subjects with different quiet standing positions

Gait & Posture
Katsuo FujiwaraKenji Kunita

Abstract

We investigated changes in activation timing and magnitude of the postural muscles according to initial standing positions. The subjects were divided into three groups depending on the position of the center of foot pressure (CFP) during quiet standing, namely backward, middle, and forward. Subjects maintained standing postures at various CFP positions in the anteroposterior direction, and then started bilateral arm movement at their own pace. The activation magnitude of the biceps femoris (BF) and erector spinae (ES) did not differ among any of the initial CFP positions. In only the BF, the preceding action to the anterior deltoid (AD) was clearly observed at more forward CFP positions in the order of the forward, middle and backward groups. Between initial CFP positions adjacent to quiet standing posture, the smallest change was observed in the preceding activation time of the BF. Significant correlation was observed between the background activity and activation time in both the BF and ES.

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Citations

Feb 1, 2007·Experimental Brain Research·Rémy CuisinierVincent Nougier
Apr 13, 2007·Experimental Brain Research·Xiaoyan Li, Alexander S Aruin
Aug 27, 2011·Journal of Strength and Conditioning Research·Katsuo FujiwaraChizuru Kaida
Dec 9, 2010·Journal of Physiological Anthropology·Katsuo FujiwaraAida Mammadova
Nov 29, 2011·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·Chie Yaguchi, Katsuo Fujiwara
May 10, 2011·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·Katsuo FujiwaraAida Mammadova
Dec 8, 2009·Gait & Posture·Anne K GalgonCarole A Tucker
Jul 16, 2008·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·Hidehito Tomita, Katsuo Fujiwara
Feb 6, 2008·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·Marcio J Santos, Alexander S Aruin
Nov 29, 2005·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·Katsuo FujiwaraKaoru Maeda
Aug 24, 2013·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·Katsuo Fujiwara, Chie Yaguchi
Jun 25, 2005·Perceptual and Motor Skills·Katsuo FujiwaraHiroshi Toyama
Dec 5, 2017·Journal of Physical Therapy Science·Hitoshi AsaiPleiades Tiharu Inaoka

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