Knowledge of the segmental cutaneous innervation of the skin of the lower extremity is impoant in determining the level of interveebral disk disease. Thus, S1 nerve root irritation will result in pain located along the:
D i.e. Lateral side of foot
Anterior aspect of the thigh.
Medial aspect of the thigh.
Anteromedial aspect of the leg.
Lateral side of the foot.