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Doctor insights on: Pinched Nerve L5 S1

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Nerve (Definition)

The brain and spinal cord communicates with what is occurring in the internal organs and limbs by nerve fibers where are like electrical wires with insulation (myelin) and the "copper" (axon). Within brain and spinal cord these nerves connect to other nerves via synapses on both axons and dendrites. A nerve can carry information regarding sensations, and ...Read more


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EMG/NCV says pinched nerve of L4, L5, S1, S2 (racepinephrine). I do not have weakness, atrophy, change in sensation, or any other complaint. Might be misdiagnosis?

EMG/NCV says pinched nerve of L4, L5, S1, S2 (racepinephrine). I do not have weakness, atrophy, change in sensation, or any other complaint. Might be misdiagnosis?

Yes: EMG is complex and the report requires interpretation. Sometimes muscle spasm in the back causes abnormality of the back muscles that is described as lumbar radiculopathy but may not be a significant pinched nerve. Tests need to be taken in the context of the patient and their complaints and physical examination, just as you have suggested. ...Read more

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Could a pinched nerve in L4, L5, S1, or S2 (racepinephrine) cause the right lower leg to look rounder than the other in the back of the leg but measure the same?

Could a pinched nerve in L4, L5, S1, or S2 (racepinephrine) cause the right lower leg to look rounder than the other in the back of the leg but measure the same?

R/O BAKERS CYST: Usually a pinched nerve in that region will cause sciatica and neuropathic pain. This may result in muscle atrophy and later potential foot drop. If the area behind the knee is full you may have a Bakers Cyst or potentially a DVT. An Doppler US or MRI IS NEEDED to define the anatomy. ...Read more

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Can a pinched nerve of the L4, L5, S1, or S2 (racepinephrine) cause difficulty passing stool, i.e., rectum/sphincter won't relax/function properly?

?cauda equina syndr.: If you possess a large ruptured disk in the lower back which compresses multiple nerve roots, or if you have lumbar stenosis, this could affect both bowel and bladder, but a localized pinched nerve at the root level otherwise will have not influence on bowel dysfnctn. ...Read more

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My emg shows pinched nerves in l5-s1 region but the MRI is negative. How is this possible?

My emg shows pinched nerves in l5-s1 region but the MRI is negative. How is this possible?

Complementary...: The MRI shows a picture of the vertebrae and discs, but it does not show how the nerves are functioning. The two tests are complementary: one shows structure and the other shows function. A pinched L5 or s1 nerve does not always mean it is trapped by a disc or bone spur-- it may get damaged or pinched intermittently when your spine moves, or may have incurred stretch damage. ...Read more

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Have a bulging disc with nerve compression at L5/S1, what distance is safe for me to walk each with a 10kg backpack for me to have no pain . Thank u?

Have a bulging disc with nerve compression at L5/S1,  what distance is safe for me to walk each with a 10kg backpack for me to have no pain . Thank u?

Get a lumbar pack: Be kind to your back and it will be kind to you. Backpacks are hard on the low back. Large fanny packs are known as "lumbar waist packs" allowing one to carry a lot of the weight directly on the hips and decrease back strain. See: http://www.ebay.com/sch/i.html?_trksid=p5197.m570.l1313&_nkw=lumbar+fanny+pack&_sacat=0&_from=R40 I do not endorse this particular model, it is only an illustration. ...Read more

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I had a bone spur removed from my l5/s1 due to nerve compression. How likely are they to grow back?

I had a bone spur removed from my l5/s1 due to nerve compression. How likely are they to grow back?

Somewhat likely.: By bone spur, i assume you are referring to osteophytes caused by arthritis to the facet joints of the back. Facet degeneration is a continous process, and over time, will cause increasing bone spurs. Most of the time, we can accommodate these bone spurs, without surgery. In some instances, the bone spurs will cause enough nerve compression, causing severe pain, weakness and numbness. ...Read more

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Have moderate /severe radiculopathy that started and progressed more than a year after L5/S1 ADR surgery.EMG showed compressed nerve. Causes for this?

Have moderate /severe radiculopathy that started and progressed more than a year after L5/S1 ADR surgery.EMG showed compressed nerve. Causes for this?

Postlaminectomy synd: Post Laminetomy syndrome can be flared following ADR surgery.The resulting nerve pain is due to altered kinetics, gravity or possibly scar. Other times the surgery just cant stop progression of disease and nerve damage. See your surgeon right away to evaluate: starting physical therapy focusing on core strengthening, postop imaging,epidural injection or SI joint examination or possible injection. ...Read more

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