Electromyographic study of the trapezius (pars media) and rhomboideus major muscles in free movements of the head.
D000328:Adult; D001415:Back; D004576:Electromyography; D006257:Head; D006801:Humans; D008297:Male; D009068:Movement; D009132:Muscles / Q000502:physiology*; D009333:Neck