Lumbar disc pressure and myoelectric back muscle activity during sitting. 3. Studies on a wheelchair.
D000328:Adult; D001415:Back / Q000502:physiology*; D001696:Biomechanical Phenomena; D001827:Body Height; D001835:Body Weight; D004576:Electromyography; D005260:Female; D006801:Humans; D008159:Lumbar Vertebrae / Q000502:physiology* / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D009132:Muscles / Q000502:physiology* / Q000503:physiopathology; D010264:Paraplegia / Q000503:physiopathology; D011187:Posture; D011312:Pressure; D014910:Wheelchairs