Lateral plantar nerve
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The lateral plantar nerve is an important motor nerve in the foot as it innervates all the intrinsic muscles in the sole, except for the muscles supplied by the medial plantar nerve (abductor hallucis, flexor digitorum brevis, flexor hallucis brevis, and first lumbrical).
origin: smaller terminal division of the tibial nerve
lateral plantar nerve enters the sole of the foot by passing deep to the proximal attachment of the abductor hallucis muscle
it continues laterally and anteriorly across the sole between the flexor digitorum brevis and quadratus plantae muscles, supplying branches to both these muscles, and then divides near the head of the 5th metatarsal into deep and superficial branches
sensory supply: strip of skin on the anterolateral anterior two-thirds of the sole and the adjacent plantar surfaces of the lateral one and one-half digits