Deep Branch of Lateral Plantar Nerve (Left)
Ramus profundus nervi plantaris lateralis
Read moreQuick Facts
Origin: Lateral plantar nerve.
Course: Deep to flexor tendons, runs distally and medially towards the interosseous spaces.
Branches: None.
Supply: Motor innervation to adductor hallucis, second, third, and fourth lumbricals, and the plantar and dorsal Interossei muscles, except those in the fourth intermetatarsal space.
Related parts of the anatomy
Origin
The deep branch is one of two terminal branches of the lateral plantar nerve (S1-S2), the other being the superficial branch. It divides between the flexor digiti minimi brevis and the abductor digiti minimi muscles.
Course
The deep branch of the lateral plantar nerve passes medially towards the first metatarsal, accompanied by the plantar arch, and passes deep to the tendons of the flexor digitorum brevis muscle and the adductor hallucis muscle.
Branches
There are no named branches.
Supplied Structures
The deep branch of the lateral plantar nerve supplies motor innervation of adductor hallucis, the second, third, and fourth lumbricals, and all plantar and dorsal Interossei muscles, except those in the fourth intermetatarsal space.
