MEDIAL PLANTAR NERVE

 

ORIGIN: Tibial nerve  

COURSE/DISTRIBUTION: Takes origin from the tibial nerve under cover of the flexor retinaculum and runs forward on the medial aspect of the foot to reach the interval between the abductor hallucis and flexor digitorum brevis. It gives a proper digital nerve to the medial side of great toe and then divides into its 3 terminal branches opposite the bases of metatarsal bones. 

BRANCHES:

bulletCutaneous branches
bulletProper digital nerve to the  medial aspect of the big toe.
bulletCommon digital nerve to the big and 2nd toe
bulletCommon digital nerve to the 2nd and 3rd toes
bulletCommon digital nerve to the 3rd  and 4th toes.
bulletMuscular branches to the first lumbrical and three other muscles- (cf median nerve in the palm)- abductor hallucis, flexor hallucis brevis and flexor digitorum brevis (i.e. "LAFF" muscles as opposed to "LOAF" muscles in the palm.

Note that the distribution of the medial plantar nerve is similar to that of median nerve in the palm.

ROOT VALUE: L4-5.

 

 

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Creator: Oluwole Ogunranti


 

 

 

 

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Creator: Oluwole Ogunranti