LATERAL PLANTAR NERVE

 

ORIGIN: Tibial nerve.

COURSE/DISTRIBUTION:  This nerve begins under cover of the flexor retinaculum as one of the terminal branches of the tibial nerve. It accompanies the medial plantar nerve to enter the sole and then abandons it to proceed to the lateral border of the foot where it reaches the tuberosity of the 5th metatarsal bone and lies in the interval between the flexor digitorum brevis and flexor accessorius. Distal to this, it divides into its two terminal branches- superficial and deep branches of the lateral plantar nerve. Its deep branch supplies all the muscle of the sole of foot except the "LAFF" muscles - medial lumbrical, abductor hallucis, flexor digitorum brevis and flexor hallucis brevis, all supplied by the medial plantar nerve. Compare with the "LOAF" muscles supplied by median nerve of the hand.

BRANCHES:

         Cutaneous branches

         Superficial branch

         Deep branch 

ROOT VALUE: S1,2.

 

 

 

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Creator: Oluwole Ogunranti