Age-related differences in rapid muscle activation after rate of force development training of the elbow flexors

In young adults, improvements in the rate of force development as a result of resistance training are accompanied by increases in neural drive in the very initial phase of muscle activation. The purpose of this experiment was to determine if older adults also exhibit similar adaptations in response...

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Bibliographic Details
Published in:Experimental brain research 2005-03, Vol.162 (1), p.122-132
Main Authors: Barry, Benjamin K, Warman, Geoffrey E, Carson, Richard G
Format: Article
Language:English
Subjects:
Adaptation, Physiological - physiology
Adult
Aged
Aging - physiology
Arm - physiology
Elbow - physiology
Electromyography
Female
Humans
Male
Middle Aged
Muscle Contraction - physiology
Muscle, Skeletal - physiology
Physical Fitness - physiology
Reaction Time - physiology
Torque
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Summary:In young adults, improvements in the rate of force development as a result of resistance training are accompanied by increases in neural drive in the very initial phase of muscle activation. The purpose of this experiment was to determine if older adults also exhibit similar adaptations in response to rate of force development (RFD) training. Eight young (21-35 years) and eight older (60-79 years) adults were assessed during the production of maximum rapid contractions, before and after four weeks of progressive resistance training for the elbow flexors. Young and older adults exhibited significant increases (P
ISSN:0014-4819
1432-1106
DOI:10.1007/s00221-004-2127-3