GENDER COMPARISONS AMONG PEAK TORQUE, MEAN POWER OUTPUT, MECHANOMYOGRAPHIC AND ELECTROMYOGRAPHIC RESPONSES DURING MAXIMAL, ECCENTRIC ISOKINETIC MUSCLE ACTIONS by
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Mechanomyographic and electromyographic amplitude and frequency responses during fatiguing isokinetic muscle actions of the biceps brachii.
The purpose of this investigation was to examine the mechanomyographic (MMG) and electromyographic (EMG) amplitude and mean power frequency (MPF) patterns during fatiguing isokinetic muscle actions of the biceps brachii. Ten adults [three women (mean +/- SD age = 20 +/- 2 yrs) and seven men (mean +/- SD age = 23 +/- 3 yrs) ] volunteered to perform 50 consecutive maximal, concentric isokinetic m...
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The purpose of the present study was to examine the effects of 2 different work-to-rest ratios, but the same mean load, cycle time, and total duration of the exercise bout, on maximal voluntary isometric contraction torque and neuromuscular responses to fatiguing, intermittent, submaximal, isometric, forearm flexion muscle actions. Ten men performed 2 fatiguing protocols with different work-to-...
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The aims of this study were to examine the acute effects of static stretching on peak torque, work, the joint angle at peak torque, acceleration time, isokinetic range of motion, mechanomyographic amplitude, and electromyographic amplitude of the rectus femoris during maximal concentric isokinetic leg extensions at 1.04 and 5.23 rad x s(-1) in men and women. Ten women (mean +/- s: age 23.0 +/- ...
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Background: Electromyographic (EMG) and mechanomyographic (MMG) studies of fatigue have generally utilized maximal isometric or dynamic muscle actions, but sportand 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 fle...
متن کاملMechanomyographic and Electromyographic Responses to Isokinetic Muscle Actions
Mechanomyography (MMG) records and quantifies the low frequency lateral oscillations of active skeletal muscle fibers. It has been suggested that MMG is the mechanical counterpart of the motor unit electrical activity as measured by electromyography (EMG). Thus, simultaneous measurements of MMG and EMG may provide insight into the mechanical and electrical components of muscle function. MMG has...
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