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Muscle- And Mode-Specific Responses Of The Forearm Flexors To Fatiguing, Concentric Muscle Actions, Ethan C. Hill, Terry J. Housh, Cory M. Smith, Richard Schmidt, Glen O. Johnson
Muscle- And Mode-Specific Responses Of The Forearm Flexors To Fatiguing, Concentric Muscle Actions, Ethan C. Hill, Terry J. Housh, Cory M. Smith, Richard Schmidt, Glen O. Johnson
Department of Nutrition and Health Sciences: Faculty Publications
Background: Electromyographic (EMG) and mechanomyographic (MMG) studies of fatigue have generally utilized maximal isometric or dynamic muscle actions, but sport- and work-related activities involve predominately submaximal movements. Therefore, the purpose of the present investigation was to examine the torque, EMG, and MMG responses as a result of submaximal, concentric, isokinetic, forearm flexion muscle actions. Methods: Twelve men performed concentric peak torque (PT) and isometric PT trials before (pretest) and after (posttest) performing 50 submaximal (65% of concentric PT), concentric, isokinetic (60°·s-1), forearm flexion muscle actions. Surface EMG and MMG signals were simultaneously recorded from the biceps brachii and …