Lateral Plantar Nerve

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Baxter nerve.jpg
Lateral Plantar Nerve
Nerve Type Mixed nerve
Origin S1 and S2 ventral rami from the sciatic nerve where it divides into the tibial nerve which runs through the deep posterior compartment of the leg and divides into the lateral plantar nerve within the tarsal tunnel.
Course Travels under the abductor hallucis and diagonally across the sole between the flexor digitorum brevis and quadratus plantae
Major Branches Inferior Calcaneal Nerve (Baxter Nerve), Terminal branches at the mid-lateral edge of the flexor digitorum brevis.
Sensory innervation Fat pad over the fifth metatarsal head, skin of lateral sole. The baxter nerve branch supplies the periosteum at the medial calcaneal tubercle and long plantar ligament.
Motor innervation Flexor Digiti Minimi Brevis (Foot), Flexor Accessorius, Adductor Hallucis, the third and fourth interosseous muscles
Conditions Lateral Plantar Nerve Entrapment