Tags: Anatomical Structure, Nerve.
The lateral terminal branch (external or tarsal branch) passes across the tarsus beneath the extensor digitorum brevis and having become enlarged like the dorsal interosseous nerve at the ankle supplies the extensor digitorum brevis. From the enlargement three minute interosseous branches are given off which supply the tarsal joints and the metatarsophalangeal joints of the second third and fourth toes.
