Why is the place that spine hits anesthetic after the operation painful

You are using an epidural anesthetic needle. To administer anesthesia, you first need to use a thick needle (1.5 mm in diameter) through the skin, subcutaneous tissue, supraspinous ligament, interspinous ligament, and ligamentum flavum to reach the epidural space, where the nerve roots pass, and inject the anesthetic to achieve the anesthetic effect. These ligaments are composed of fibrous connective tissue, which is dense and has poor blood supply and poor ductility. Coarse needle puncture can damage some tissue fibers. On the one hand, the ligament is slow to heal due to poor blood supply, and on the other hand, it is an important tissue involved in spinal joint activities. So it hurts when you move. Don't worry about your condition, pay attention to rest, hot compress, after a period of time will be fine

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