👉 "Protragedy" is a medical term used to describe the abnormal movement of the spine. This condition can occur due to a variety of factors, such as spinal stenosis (狭窄), herniated discs, or degenerative disc disease. The symptoms of protragedy may include pain, numbness, and weakness in the legs, as well as difficulty walking, sitting, or standing for extended periods. It is important to consult with a healthcare professional for diagnosis and treatment options.