What nerves do L4 and L5 affect?
The L4 and L5 nerves (along with other sacral nerves) contribute to the formation of the large sciatic nerve that runs down from the rear pelvis into the back of the leg and terminates in the foot.
What does lumbar nerve pain feel like?
Nerve pain tends to be sharp and include burning, tingling, and numbness. In contrast, muscular pain typically causes muscles and joints to feel stiff, achy, or tender.
What nerves are affected by lumbar stenosis?
If your spinal stenosis is pinching your sciatic nerve – a nerve that originates in your lower (lumbar) spine – you might feel pain or have numbness, tingling or muscle weakness along this nerve’s pathway from your lower back, down your leg to your foot. This condition is known as sciatica.
Can lumbar spinal stenosis affect both legs?
When Lumbar Spinal Stenosis Is Serious Signs and symptoms that indicate compression of these tissues typically include one or more of the following: Almost intolerably severe lower back pain. Severe sharp, shooting, and burning pain in the leg(s) Progressive weakness in one or both legs.
Can nerve damage be detected on an MRI?
An MRI may be able help identify structural lesions that may be pressing against the nerve so the problem can be corrected before permanent nerve damage occurs. Nerve damage can usually be diagnosed based on a neurological examination and can be correlated by MRI scan findings.
Is lumbar puncture and spinal tap the same thing?
A lumbar puncture, also known as a spinal tap, is a procedure that collects a sample of cerebrospinal fluid. This is the fluid that surrounds and protects the spinal cord and brain.
What is the function of the lumbar nerve?
A lumbar nerve is part of the cable-like network of fibers which transmits sensations and movement between the brain and the body. In the human body, five lumbar nerves are grouped together in a set known as the lumbar plexus.
What do the lumbar nerves control?
Lumbar spinal nerves (L1 to L5) control signals to the lower parts of the abdomen and the back, the buttocks, some parts of the external genital organs, and parts of the leg. Sacral spinal nerves (S1 to S5) control signals to the thighs and lower parts of the legs, the feet, most of the external genital organs,…
What are the symptoms of L4 and L5 nerve damage?
Pain. Pain may be the first indicator that you have a bulging disc at L4/5.