Mechanomyographic responses to maximal eccentric isokinetic muscle actions.

GENDER COMPARISONS AMONG PEAK TORQUE, MEAN POWER OUTPUT, MECHANOMYOGRAPHIC AND ELECTROMYOGRAPHIC RESPONSES DURING MAXIMAL, ECCENTRIC ISOKINETIC MUSCLE ACTIONS by

Mechanomyographic 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...

Mechanomyographic responses during dynamic muscle actions

Surface mechanomyographic (MMG) signals have been detected during various types of dynamic muscle actions, including dynamic constant external resistance (DCER) muscle actions, concentric and eccentric isokinetic muscle actions, as well as incremental and constant power output cycle ergometry. Although the MMG amplitude and center frequency [mean power frequency (MPF) or median frequency] respo...

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...

Mechanomyographic amplitude and frequency responses during dynamic muscle actions: a comprehensive review

The purpose of this review is to examine the literature that has investigated mechanomyographic (MMG) amplitude and frequency responses during dynamic muscle actions. To date, the majority of MMG research has focused on isometric muscle actions. Recent studies, however, have examined the MMG time and/or frequency domain responses during various types of dynamic activities, including dynamic con...