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 ...

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.

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.

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 ...

A dermatome is an area of skin that gets its ... in the low back are the L4/L5 (lumbar vertebra number 4 & 5) and L5/S1 (lumbar vertebra 5 & sacral vertebra 1) regions of the lumbar spine.

which corresponds to the T12 dermatome; and the knee, which corresponds to the L4 and L5 dermatomes. 3 Important posterior landmarks include the inferior border of the scapula, which corresponds ...