plantar nerve


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plantar nerve

n.
Either of two nerves that innervate the foot, with the smaller lateral one supplying the deep muscles of the foot and the lateral skin of the sole and fourth and fifth toes, and the larger medial one supplying muscles on the medial aspect of the foot and the skin of the first four toes and the medial two-thirds of the sole.
References in periodicals archive ?
1 Involvement of the 2nd and 3rd digits of the hands and feet is common, corresponding to the median and the medial plantar nerve supply in the upper and lower limbs respectively; but 5th digit involvement is rare.
2), (4), (5) It is typically described in a particular nerve distribution; usually the medial plantar nerve or median nerve.
It also innervates the majority of the intrinsic muscles of the foot via the medial and lateral plantar nerves and is responsible for protective sensation of the sole of the foot.
There may be tenderness at the point of compression at the retinaculum or along the path of the medial or lateral plantar nerves.