Fig. 3From: The association of lumbar curve magnitude and spinal range of motion in adolescent idiopathic scoliosis: a cross-sectional studyThe goniometer holder device is pictured here, noting its (a) side and (b) top profiles. This device allows the one arm of the goniometer to move with the shoulder plane at the same degree. The goniometer is inserted at a slot that that allows its arm to interact at the center of the top of the subject’s headBack to article page