To learn the intrinsic muscles of the foot and emphasize their relationships to the tendons of the leg muscles. The sole of the foot is supplied by branches of the tibial nerve. Supplies lateral side of sole and the plantar surface and nail bed of the 5th toe and lateral side of 4th toe. Thick layer of deep fascia. Extends from tuberosity of calcaneus and ends in 5 slips that attach to skin over heads of the 5 metatarsals and into flexor tendon sheaths.
Flexes lateral four digits.
The major Nn and vessels to the sole of the foot enter the region between the 1st and 2nd muscular layers . Flex proximal phalanges and extend middle and distal phalanges of lateral four digits. Flexes proximal phalanx of fifth digit. Veins accompany the arteries listed above. Abducts digits 2 - 4 and flexes metatarsophalangeal joints.