Name: Extensor Hallucis Longus, Alternative Site
Action: Extends the phalanges of the hallux and dorsiflexes the foot.
Innervation: Deep peroneal nerve, L5 (primary).
Note: This site, along with other muscles of the distal extremities, has been found to be optimal for tceMEPs. Additional muscle groups may be monitored to provide added information, but the data is generally considered to be less reliable.