Lumbar disc herniation is within reason, the result of two factors outside together. Its causes are as follows: 1. The weakness of lumbar disc itself anatomical factors. After adult lumbar disc gradually lack of blood circulation, because ischemia and hypoxia, poor ability to repair it, especially after the emergence of degeneration, it is difficult to repair; In addition, the lateral lumbar disc annulus is weak, but after lumbar longitudinal ligament from the waist by a wide narrowed to L5, a sacral vertebrae in the lumbar 5- gap, width significantly reduced, about 1/2 of the width at the waist, to strengthen the role of annulus significantly reduced, thus here lumbar intervertebral disc rupture more easily damaged. 2. lumbar intervertebral disc degeneration. Under normal circumstances, lumbar disc long withstand the weight of oppression, plus waist activity frequently, it is more likely to squeeze large disc and wear, especially lower back disc, resulting in a series of degenerative changes (e.g. dehydrated disc itself, deformation), degree increasing with age. 3. The external force. In daily life and work, many people appear when long waist force, excessive force, long-term shock, incorrect posture or position, etc., these long-term repeated minor damage due to external forces, over time, the role of lumbar intervertebral disc, it will speed up its withdrawal Variable speed. The general reason for lumbar disc on these three, the pain had Ace retaining this belt, waist brace can solve all your long-standing problem, let yourself or your family life easier.