A simple electrogoniometric system and its testing.
D000843:Ankle Joint / Q000502:physiology; D005528:Foot / Q000502:physiology; D005684:Gait; D006621:Hip Joint / Q000502:physiology; D006801:Humans; D007719:Knee Joint / Q000502:physiology; D011199:Potentiometry / Q000295:instrumentation / Q000592:standards