An electromyographic analysis of certain movements and exercises. I. Some deep muscles of the back.
D000328:Adult; D001415:Back / Q000033:anatomy & histology*; D004576:Electromyography; D005260:Female; D006801:Humans; D008297:Male; D009068:Movement; D009119:Muscle Contraction / Q000502:physiology*; D009132:Muscles / Q000502:physiology*; D005082:Physical Exertion