At the lower end, the 11 lumbar, sacral, and coccygeal dermatomes are often grouped ... Research into leg pain patterns from damaged L5 and S1 nerve roots used MRI to analyze spinal injuries ...

A dermatome is an area of skin supplied by a single spinal nerve. There are 31 pairs of spinal nerves, forming nerve roots that branch from your spinal cord, but only 30 dermatomes. Your spinal ...

L5-S1 is the exact spot where the lumbar spine ends and the sacral spine begins. The lumbosacral joint represents where the lumbar and sacral spine adjoin. L5-S1 is vulnerable to misalignment and ...

This compression can occur anywhere along the spine, but it usually occurs in the lower, or lumbar, region. A pinched nerve can cause pain, tingling, or numbness in its corresponding dermatome.

Todd Lanman, MD, and Jared Ament, MD, performed the first known case combining the Motus total joint replacement implant and the Tops system at adjacent levels. The landmark case was performed on a ...

A posterior lumbar interbody fusion (PLIF) may be accomplished at the L5-S1 interval as a way to posteriorally access the intervertebral disc. Challenges with the PLIF at this level include ...

The tests were the straight leg raising test, and tests for motor muscle strength, dermatome ... 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.