A member asked:

I have spinal stenosis and i am having bi lateral hamstring tightness/pain. what levels can contribute to these symptoms?

A doctor has provided 1 answer

Sciatic nerve-tibial: Lumbar spine stenosis (narrowing) usually affects all structures below the site of spinal cord constriction. The hamstrings are innervated by a branch (ant. Tibial) of the sciatic nerve (l4, l5, s1, s2, (racepinephrine) s3 origin) the word ham originally referred to the fat and muscle behind the knee . String refers to tendons. The 3 muscles of the posterior thigh: semitendinosus, semimembranosus, biceps femoris.

Answered 2/14/2013

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