Analyse electromyographique des muscles levator scapulae et rhomboideus major dans les mouvements du membre superieur
Anatomischer Anzeiger, v. 148, n. 4, p. 337-345, 1980.
De Freitas, V.
The participation of the levator scapulae and rhomboideus major muscles in some movements of the upper limb was analysed in 21 young adult male volunteers. A 2 channel TECA TE4 electromyograph connected with single coaxial needle electrodes was used. In abduction, elevation, adduction, flexion and circumduction participation of both muscles in free movements of the upper limb was found. In extension, however, these muscles were inactive. In the same movements analysed with load, a major intensity of action of these muscles was registered as compared with those obtained in free movements.
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