Relation Of Human Electromyogram To Muscular Tension.
V. Inman, H. Ralston, J. B. Saunders, B. Feinstein, E. W. Wright
Published 1952 · Psychology, Medicine
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Abstract 1. 1. The integrated electromyogram parallels tension in human muscle contracting isometrically. 2. 2. No quantitative relation between EMG and tension exists when a muscle is allowed to change in length. 3. 3. No quantitative relation between EMG and muscle power exists. 4. 4. The amplitude of the EMG characteristically diminishes in large human muscles when they are stretched. This phenomenon has not been fully explained. 5. 5. It is shown that a lag of approximately 0.08 ± 0.02 sec. exists between peak electrical activity and peak tension of human muscle, which should be taken into account in the analysis of rapid movements.
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