Abstract
Alterations in motor unit behavior associated with aging deteriorate fine or gross motor performance. In human aging, the alterations depend on muscles and the habitual activity of each muscle. This paper will discuss the current knowledge on the adaptations in major aspects of motor unit behavior including recruitment order, mean and maximal discharge rate, synchronized discharges, oscillatory discharges, and discharge variability in elderly adults to identify unresolved problems. By considering studies on disuse in young adults and training in elderly adults, future research directions are proposed to help resolve the problems.
Keywords: aging, motor unit, disuse, training, EMG, muscle, oscillatory discharges, elderly adults, recruitment, dorsal interosseus
Current Aging Science
Title: Adaptations in Motor Unit Behavior in Elderly Adults
Volume: 4 Issue: 3
Author(s): Minoru Shinohara
Affiliation:
Keywords: aging, motor unit, disuse, training, EMG, muscle, oscillatory discharges, elderly adults, recruitment, dorsal interosseus
Abstract: Alterations in motor unit behavior associated with aging deteriorate fine or gross motor performance. In human aging, the alterations depend on muscles and the habitual activity of each muscle. This paper will discuss the current knowledge on the adaptations in major aspects of motor unit behavior including recruitment order, mean and maximal discharge rate, synchronized discharges, oscillatory discharges, and discharge variability in elderly adults to identify unresolved problems. By considering studies on disuse in young adults and training in elderly adults, future research directions are proposed to help resolve the problems.
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Cite this article as:
Shinohara Minoru, Adaptations in Motor Unit Behavior in Elderly Adults, Current Aging Science 2011; 4 (3) . https://dx.doi.org/10.2174/1874609811104030200
DOI https://dx.doi.org/10.2174/1874609811104030200 |
Print ISSN 1874-6098 |
Publisher Name Bentham Science Publisher |
Online ISSN 1874-6128 |
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