While the person lies on their back, slowly raise the leg that is not painful. If this causes the person’s typical pain, it indicates a slipped disk. This is a crossed straight leg raise test.

Other tests can confirm the straight leg raise test. Crossed Straight Leg Test. Check the straight leg raise on the opposite (nonpainful) side. Pain in the other leg suggests sciatica.

A straight-leg-raise test is a test used by your physician to determine if the leg pain that you're experiencing is coming from your back. It is important as a patient that you relax. Your ...