Following the increase of age, lumbar load-bearing and activity, the lumbar intervertebral disc may degenerate and the elasticity of fibrous rings decrease gradually. On the basis of this change, an exogenous force in lumbar sprain can lead to rupture of fibrous rings of lumbar intervertebral disc and protrusion of pulpiform nucleus, which can further stimulate and compress sciatic nerve root to bring about lumbago and radiating pain in the lower limb. In a few cases of no definite external injury, it may be caused by cold attack on the waist, which leads to spasm of lumbar muscles and resultant increase of pressure to intervertebral disc, so further rupture of lumbar vertebral ring may occur. Continue to read
Chinese medicine Treatment for
Cervical Spondylosis.