This curve helps keep the discs and muscles in proper alignment. The lumbar spine rests upon the sacrum. The place where they meet is called the lumbosacral joint, or L5-S1. The muscles in your ...

Results The prevalence of disc herniation was ... of 6.28 (95% CI 1.06–37.21) for L4, 1.74 (95% CI 1.04–2.93) for L5, and 1.29 (95% CI 0.97–1.72) for S1 nerve root impingement.

It can lead to pain, numbness, and weakness in your back, legs, and arms. Often you can relieve a herniated disk with rest, pain relievers, and physical therapy. But if your symptoms don't get ...

The lumbosacral plexus is formed by the ventral branches of the second to fifth lumbar nerves ... most commonly associated with herniated nucleus pulposus. Large lesions may present as neurogenic ...

Objectives: To observe the prevalence of lumbar intervertebral disc ... Results: The disc signal intensity was progressively reduced the more caudal the disc space. It was most common at the L5/S1 ...