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Rigid spine syndrome, also known as congenital muscular dystrophy with rigidity of the spine (CMARS), is a rare and often debilitating neuromuscular disorder. It is characterized by progressive muscle stiffness and rigidity, particularly in the spine, which can severely limit mobility and impact quality of life. This condition is typically ...
Meralgia paresthetica or meralgia paraesthetica is pain or abnormal sensations in the outer thigh not caused by injury to the thigh, but by injury to a nerve which provides sensation to the lateral thigh. Meralgia paresthetica is a specific instance of nerve entrapment. [5] The nerve involved is the lateral femoral cutaneous nerve (LFCN).
You passed the test if your back and the back of your lowered thigh is flat against the bed, and your hanging knee is bent at a 90-degree angle off the surface. Photo credit: Trevor Raab
Spastic hypertonia involves uncontrollable muscle spasms, stiffening or straightening out of muscles, shock-like contractions of all or part of a group of muscles, and abnormal muscle tone. It is seen in disorders such as cerebral palsy, stroke, and spinal cord injury. Rigidity is a severe state of hypertonia where muscle resistance occurs ...
These symptoms include tenderness, tingling and numbness initiating in low back and buttock area and then radiating down to the thigh and to the leg. [72] A precise test for piriformis syndrome has not yet been developed and thus hard to diagnose this pain. [73] The pain is often initiated by sitting and walking for a longer period. [74]
“The vast majority of people with acute back pain have a strain where the muscles have a small tear or get overly used,” he explains. “That typically resolves in one to two weeks.”
Muscles and ligaments surround and attach to the SI joint in the front and back, primarily on the ilial or sacral surfaces. These can all be a source of pain and inflammation if the SI joint is dysfunctional. [9] [2] The sacroiliac joint is highly dependent on its strong ligamentous structure for support and stability. [9]
Eventually, rigidified muscles reduce the affected person's range of motion, slow their voluntary movements, and may cause them to have abnormal posture, particularly lumbar hyperlordosis (a distinctive curve in the lower back). [6] Rigid trunk muscles can also prevent the chest and abdomen from expanding, causing shortness of breath and early ...