Shoulder load during machine milking. An electromyographic and biomechanical study.
D000328:Adult; D001696:Biomechanical Phenomena; D003612:Dairying; D004576:Electromyography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009132:Muscles / Q000502:physiology*; D005082:Physical Exertion; D011187:Posture; D012782:Shoulder / Q000502:physiology*