Q1 · Disc Prolapse
NEET PGMediumA prolapsed L5-S1 intervertebral disc most commonly compresses which nerve root?
Explanation
A posterolateral L5-S1 disc prolapse typically compresses the S1 nerve root, causing pain radiating to the little toe, weak ankle plantarflexion, and a reduced ankle jerk. An L4-L5 prolapse usually affects the L5 root.