extensor-digitorum-longus-anatomy
A 28-year-old man presents with foot drop after a fibula fracture. On examination, he cannot dorsiflex his ankle or extend his toes. The examiner is testing individual muscles to localize the nerve injury. The patient is asked to extend his lateral four toes against resistance while the ankle is held in neutral. Regarding the anatomy of the extensor digitorum longus (EDL):
Mark each as TRUE or FALSE
The extensor digitorum longus originates from the lateral tibial condyle, anterior fibula, interosse...
The EDL is innervated by the deep peroneal nerve (L4, L5, S1); the deep peroneal nerve also supplies...
The EDL tendons pass deep to the superior and inferior extensor retinacula at the ankle; the tendons...
The extensor digitorum longus extends the metatarsophalangeal joints only; it has no action on the i...
The anterior compartment of the leg contains tibialis anterior, extensor hallucis longus, extensor d...
Answer the questions to see explanations
Click T (True) or F (False) for each option