Pain in the lower back and buttocks is present, and the pain is reversed, and the pain gradually decreases or subsides after bed rest. However, after a few days, he gradually felt radiating pain in one or both lower limbs, which worsened when he stood for a long time, sat for a long time, coughed, sneezed and bent over.
This symptom usually precedes leg pain or can occur at the same time. The pain is mainly in the lower back or lower back, and is mainly manifested by worsening after exertion in the lower back or when holding the same position for a long time, but the pain can be relieved by rest or bed rest.
3.Radiating pain in the lower extremities (sciatica).
The pain begins mainly along the buttocks, passes behind the thighs to the back of the calves, or to the lateral malleolus and toes, and gradually worsens.
The spine curves sideways in an S-shape.
The normal physiological curvature of the lumbar spine is forward, and now the physiological curvature of the lumbar spine is flattened or kyphosis and arched.
As shown in the figure, the physiological curvature of the lumbar spine disappears and becomes straight.
Lie on the bed and do a lifting exercise that straightens the lower limbs, that is, knee extensions and leg raises. Under normal circumstances, it can reach more than 70 degrees, if it is only 20-30 degrees, it means that the lumbar intervertebral disc is herniated, which is the action of hooking the toes, if the pain is aggravated or the numbness is aggravated, it means that the lumbar intervertebral disc herniation compresses the nerve root.