Sciatica is caused by lesions in the hip or lumbar spine, the hip because of muscle compression, lumbar spine lesions because of herniated discs, lumbar spine slippage or stenosis caused by stimulation of nerve roots, either case is not suitable for sedentary, especially the body leaning forward sedentary, the pressure on the lumbar spine and lumbosacral hip is relatively large, a long time will cause muscle damage, inflammatory exudation, stimulation of the already pressed nerve Roots and nerves cause severe pain. At the same time, long-term poor posture will also cause local adhesions and hyperplasia, causing nerve degeneration, which is not easy to recover. Whether the pain is aggravated or the accumulation of inflammatory substances caused by poor posture, it is related to sedentary, long-term strain, etc. If you have sciatica, you need to improve your poor posture in time to avoid this condition.