Changes in the back muscles, electrical activity and vegetative functions during static effort in adolescents.
D000293:Adolescent; D001415:Back / Q000502:physiology*; D004594:Electrophysiology; D006801:Humans; D009068:Movement; D009132:Muscles / Q000502:physiology*; D005082:Physical Exertion; D011187:Posture; D013997:Time Factors