A member asked:

Can l4-5 spinal stenosis + left sided herniation cause muscle spasm in both legs? why do i feel weakness in leg as it twitches?

8 doctors weighed in across 3 answers

It is possible: One can get sciatica as a result of herniated disk typically on same side as disk bulge but stenosis can give bilateral symptoms.

Answered 8/15/2014

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Dr. Charles Ruotolo answered

Specializes in Orthopedic Surgery

Spinal stenosis: Spinal stenosis can cause pain in both legs and is usually worse with standing and walking and is relieved with sitting. Since the nerves are pinched and the nerves are what inner ate the muscles when this happens you can have significant muscle weakness.

Answered 5/21/2013

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Dr. Kambiz Behzadi answered

Specializes in Sports Medicine

Yes : Spinal stenosis generally causes diffuse weakness in both lower extremities and get aggravated with activity. Leaning forward as you would on a bike or sleeping in a fetal position flexes the spine and generally alleviates the pain from stenosis. You appear to have a one level disc herniation which would cause numbness, weakness, spasm in the muscles that are innervated by that nerve root.

Answered 4/1/2018

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