Publicação: Participation of the deltoid (anterior portion) and pectoralis major (clavicular portion) muscles in different modalities of supine and frontal elevation exercises with different grips
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The muscles deltoid-anterior portion (DA) and pectoralis major-clavicular portion (PMC) were analysed to establish the muscular behavior and intensity patterns, as well to evaluate the connected participation of these muscles during supine and frontal elevation exercises. Twenty-four male volunteers were examined using a 2-channel TECA TE4 electromyograph and Hewlett Packard surface electrodes. Our results showed low levels of activity to PMC in frontal elevation exercises, whereas to DA the levels were very high. In the supine exercise, the action potential levels developed by the PMC were always lower than those presented by DA, however, with action simultaneity. Some suggestions to the use of the tested exercises are presented.
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Electromyography, Exercises, M. deltoid, M. pectoralis major, accuracy, clavicle, comparative study, controlled study, deltoid muscle, electrode, electromyography, exercise test, grip strength, human, human experiment, male, muscle exercise, muscle strength, normal human, pectoralis major muscle, physical performance, supine position, volunteer, Action Potentials, Adolescent, Adult, Exercise, Hand Strength, Humans, Male, Muscle, Skeletal, Pectoralis Muscles, Posture, Reference Values, Shoulder, Supination, Weight Lifting
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Inglês
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Electromyography and Clinical Neurophysiology, v. 43, n. 3, p. 131-140, 2003.
