Question

a disc herniation at the l4/l5 disc typically compresses which nerve root? s1 l5 l3 l4

Explanation:

In spinal anatomy, a herniated disc at the L4/L5 level typically affects the nerve root that exits below the corresponding vertebra, which is the L5 nerve root. This is due to the anatomical pathway of lumbar nerve roots, where lower lumbar disc herniations target the nerve root of the same numbered vertebra below the disc.

Answer:

L5