Sciatic nerve behind (superficial to) the adductor magnus muscle, and is itself in front of (deep to) one head of the biceps femoris muscle. At the popliteal fossa, the nerve divides into its two branches: The sciatic nerve is the largest nerve in the human body. The sciatic nerve supplies sensation to the skin of the foot, as well as the entire lower leg (except for its inner side). Sensation to skin to the sole of the foot is provided by the tibial nerve, and the lower leg and upper surface of the foot via the common fibular nerve. The sciatic nerve
Radial nerve skin between the thumb and index finger. Muscular branches of the radial nerve: Deep branch of the radial nerve: Posterior interosseous nerve (a continuation of the deep branch after the supinator): The radial nerve (and its deep branch) provides motor innervation to the muscles in the posterior compartment of the arm and forearm, which are mostly extensors. Injury to the radial nerve at different levels causes different syndromes with varying motor and sensory deficits. At the axilla At mid-arm Just below the elbow Within the distal forearm: Radial nerve The radial nerve is a nerve in the human body that