[Backache from the electromyographic viewpoint and kinesiology. 1. Electromyographic study on maintaining an erect position].
D000328:Adult; D000818:Animals; D004285:Dogs; D004576:Electromyography; D006801:Humans; D009068:Movement; D009132:Muscles / Q000502:physiology*; D011187:Posture / Q000502:physiology*