Episode 104 - Straight Leg Raise & Crossed Straight Leg Raise

A physical therapist is evaluating a patient with low back pain radiating into the left posterior thigh and calf. A straight leg raise on the left side reproduces the patient's familiar symptoms. When the therapist performs a crossed straight leg raise on the right leg, the patient again experiences pain radiating down the left leg. What is the MOST appropriate interpretation of these findings?1. The patient has bilateral hamstring tightness2. The patient has non-specific low back pain unrelated to nerve root involvement3. The symptoms are due to sacroiliac joint dysfunction on the left side4. The findings suggest a large central disc herniation compressing a nerve rootWatch the video version on our Youtube channel: https://youtu.be/yickD2jz3DU