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Comparison Of Surface Electromyography And Myotonometric Measurements During Voluntary Isometric Contractions, Charles Leonard, Jason S. Brown, Timothy R. Price, Susan A. Queen, Eugene L. Mikhailenok
Comparison Of Surface Electromyography And Myotonometric Measurements During Voluntary Isometric Contractions, Charles Leonard, Jason S. Brown, Timothy R. Price, Susan A. Queen, Eugene L. Mikhailenok
Physical Therapy and Rehabilitation Science Faculty Publications
Objectives: Muscle stiffness increases during muscle contraction.The purpose of this study was to determine the strength of the correlation between myotonometric measurements of muscle stiffness and surface electromyography (sEMG) measurements during various levels of voluntary isometric contractions of the biceps brachii muscle. Subjects: Eight subjects (four female; four male), with mean age of 30:6 ± 8:23 years, volunteered to participate in this study. Methods: Myotonometer and sEMG measurements were taken simultaneously from the right biceps brachii muscle.Data were obtained: (1) at rest, (2) while the subject held a 15 lb (6.8 kg) weight isometrically and, (3) during a maximal voluntary …