Final answer:
The common peroneal nerve is a branch of the sciatic nerve that provides motor and sensory innervation to muscles and skin in the anterior compartment of the leg.
Step-by-step explanation:
The common peroneal nerve, also known as the deep peroneal nerve, is a branch of the sciatic nerve in the leg. It provides motor innervation to the muscles in the anterior compartment of the leg, including the tibialis anterior, extensor hallucis longus, extensor digitorum longus, and fibularis tertius. It also provides sensory innervation to the dorsum of the foot and the skin between the first and second toes.