Clamping a spinal injury is caused by a blockage of one or more vertebrae that causes significant loss of mobility. Symptoms, well defined, vary depending on how this blockage occurs. The entrapment of a nerve oppressed compression causes pain and immobility where he has his way. The cause of impingement may be improper and inappropriate positions held at work overexertion impingement can be lumbar or cervical spine, depending on where they occur. If maintained for a long time and causes discomfort, over time could cause a herniated disc. The treatment involves the administration of drugs to relieve pain and physical therapy.