An apparatus is disclosed for monitoring the movement and force production of the lumbar spine during flexion and extension in each of several sagittal-frontal planes of the body, as well as during movement in the transverse (twisting) plane. The apparatus includes a rotatable platform upon which the...http://www.google.fr/patents/US5474086?utm_source=gb-gplus-shareBrevet US5474086 - Apparatus for monitoring the motion of the lumbar spine
Apparatus for monitoring the motion of the lumbar spine
