GENERAL HISTOLOGY

Detailed explanation-1: -The tibial nerve starts above the knee in the back of the leg. As it travels downward, it branches off to innervate muscles in the hamstrings. Continuing toward the heel, the sural nerve branches off, which innervates the calf. Once the tibial nerve reaches the foot, it passes through the tarsal tunnel.

Detailed explanation-2: -The lateral sural cutaneous nerve is a branch of the common fibular (peroneal) nerve (L4-S2) that passes over the lateral head of the gastrocnemius muscle. Upon reaching the distal one-third of the leg, these nerves merge to form the sural nerve.

Detailed explanation-3: -Sural Nerve[edit | edit source] The Sural nerve originates from the tibial nerve and cutaneous branches of the common fibular nerve. It is divided into the sural communication nerve and lateral sural cutaneous nerve. Sensory fibres: posterior aspect of the distal leg and lateral aspect of the foot.