Lumbar disc herniation Lumbar disc herniation refers to a series of clinical symptoms caused by the rupture of the fibrous ring of the lumbar disc and the protrusion of the nucleus pulposus, thereby compressing the nerve roots, blood vessels, spinal cord or cauda equina. What are the typical symptoms of lumbar disc herniation? There is usually leg pain, which should radiate below the knee, partially accompanied by lumbar pain, as well as hip and hip discomfort. Physical examination results such as muscle strength, sensation, supine straight leg raise test, Lasegue’s sign, contralateral Lasegue’s sign can help the diagnosis of lumbar disc herniation radiculopathy. Generally, for lumbar 45 disc herniation, the symptoms are pain or numbness in the lateral thigh, anterolateral calf and back of the foot. For a herniated disc in lumbar 5 sacral 1, the symptoms are pain or numbness in the posterior lateral thigh, posterior lateral calf, heel, and sole of the foot. In addition, we remind you that the above are typical symptoms, if you have back and leg pain, the best way is still to consult your trusted doctor, it is not enough to diagnose the disease with this knowledge alone.