What nerve innervates the anterolateral leg?

The anterolateral aspect of the leg is primarily innervated by the superficial peroneal nerve, which is a branch of the common peroneal nerve. This nerve is responsible for providing sensory innervation to the skin on the anterolateral part of the lower leg and the dorsum of the foot, excluding the web space between the first and second toes.

Additionally, the superficial peroneal nerve innervates the lateral compartment muscles of the leg, including the fibularis longus and fibularis brevis, which play a role in foot eversion. This anatomical knowledge is essential for understanding conditions affecting the lateral aspects of the leg and foot.

The tibial nerve primarily innervates the posterior compartment of the leg and provides sensation to the plantar surface of the foot. The deep peroneal nerve, on the other hand, mainly serves the anterior compartment of the leg and innervates muscles that dorsiflex the foot. The sural nerve primarily provides sensory innervation to the posterior and lateral aspect of the ankle and heel.