The tennis stroke: An EMG analysis of selected muscles with rackets of increasing grip size
- 1 March 1986
- journal article
- other
- Published by SAGE Publications in The American Journal of Sports Medicine
- Vol. 14 (2), 139-142
- https://doi.org/10.1177/036354658601400208
Abstract
The purpose of this study was to analyze the effect of different racket grip sizes on the muscle activity of the forearm and shoulder. Telemetry EMG was used to assess the muscle activity of the anterior deltoid and the forearm extensor muscles during the forehand and backhand strokes of tennis in a selected group of test subjects. The EMG activity of the subjects' anterior deltoid muscle and the forearm extensor muscle group was recorded with the subjects using racket grip sizes of 4¼, 4½, 4 3/4 inches. A specific pattern of sequence phasing was seen in all subjects, and amplitude ratio between the muscles was constant. Changes in grip size demonstrated a change in amplitude of both the anterior deltoid and the forearm extensor muscle group.Keywords
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