S1 nerve root irritation causes pain along the: (A) Anterior aspect of thigh, (B) Medial aspect of thigh, (C) Lateral aspect of foot, (D) Anteromedial aspect of leg
Answer is C. Sural nerve supplies the skin over the little toe and lateral aspect of the foot, with dermatome S1. Ref: Gray's Anatomy The Anatomical Basics of Clinical Practice 41 e pg 1324.