THE 3-PHASE TEST OF MENELL TO DIFFERENTIATE BETWEEN NOCICEPTION FROM THE HIP, SIJ AND LUMBAR SPINE Let's assume that your patient does not have radicular or neuropathic pain that is radiating distal to the knee - so he falls into the category of aspecific low back pain. Then it is important to to determine the source of nociception which might be coming from the lumbar spine, SIJ or hip, often radiating into the buttocks, lateral hip or groin. Watch the video to learn a quick test to provoke eac