L4-L5, L5-S1: L4-l5, l5-s1.
Answered 7/8/2012
5.7k views
All the lumbar ones: Since all the nerves to the legs pass through the upper lumbar levels, these areas if stenosis present, can give you symptoms just like the lower levels when involved.
Answered 8/19/2012
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L4-S1: It's usually L5 &/or s1 nerve roots although hamstring tightness could be due to pars fracture as well.
Answered 9/28/2016
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L1-L3: Spinal stenosis is compressing bilateral l1-l3 spinal nerves.
Answered 7/8/2012
5.7k views
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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