Nerve
Deep fibular (peroneal) nerve
Anterior compartment of the leg
High-yield
Motor to the anterior compartment (dorsiflexors); sensory only to the first dorsal webspace between toes 1 and 2.
Overview
A branch of the common fibular nerve supplying the dorsiflexors and a small web of skin between the first two toes.
Reference facts
- Roots
L4, L5, S1 (from the common fibular nerve)
- Course
Pierces the anterior intermuscular septum, descends on the interosseous membrane with the anterior tibial artery, and continues onto the dorsum of the foot
- Motor
Tibialis anterior, extensor digitorum longus, extensor hallucis longus, fibularis tertius, and extensor digitorum brevis
- Sensory
Skin of the web space between the first and second toes