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Muscle Nerve. 2011 Feb;43(2):245-50. doi: 10.1002/mus.21836.

Effects of resistance training on force steadiness and common drive.

Author information

1
Department of Health and Exercise Science, University of Oklahoma, Norman, OK 73019-6081, USA. tbeck@ou.edu

Abstract

The purpose of this study was to investigate the influence of an 8-week resistance training program on force steadiness and common drive for the vastus lateralis muscle. Eight untrained men performed a resistance training program. Before the program and at the end of each week, the subjects performed a trapezoid isometric muscle action of the leg extensors, and bipolar surface electromyographic signals were recorded from the vastus lateralis. The signals were decomposed into action potential trains that were cross-correlated to measure common drive. Force steadiness was quantified as the standard deviation of force during the constant-force portion of the trapezoid muscle action. The training program did not consistently affect force steadiness or common drive for any of the subjects. Although future studies are needed with different muscles and training programs, changes in the overall motor control scheme are not likely with resistance training.

PMID:
21254090
DOI:
10.1002/mus.21836
[Indexed for MEDLINE]

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