The function of the back muscles in standing and while holding weights.
D000328:Adult; D001415:Back / Q000502:physiology*; D004576:Electromyography; D005260:Female; D006801:Humans; D008297:Male; D008433:Mathematics; D008875:Middle Aged; D009132:Muscles / Q000502:physiology*; D005082:Physical Exertion; D011187:Posture