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The tendons of several extrinsic foot muscle reach the sole: The tendons of the deep foot flexors in the posterior compartment of the leg, tibialis posterior, flexor digitorum longus, and flexor hallucis longus, passes behind the medial malleolus into the sole. The tendon of fibularis longus similarly passes behind the lateral malleolus into ...
The medial calcaneal branches of the tibial nerve (internal calcaneal branches) perforate the laciniate ligament, and supply the skin of the heel and medial side of the sole of the foot. [ 1 ] Structure
The plantar calcaneocuboid ligament lies nearer to the bones than the long plantar ligament, from which it is separated by a little areolar tissue.. It is a short but wide band of great strength, and extends from the anterior tubercle of calcaneus and the depression in front of it, on the forepart of the plantar surface of the calcaneus, to the plantar surface of the cuboid posterior to the ...
The lateral plantar nerve (external plantar nerve) is a branch of the tibial nerve, in turn a branch of the sciatic nerve and supplies the skin of the fifth toe and lateral half of the fourth, as well as most of the deep muscles, its distribution being similar to that of the ulnar nerve in the hand.
In addition, the plantar fascia has a critical role in normal mechanical function of the foot, contributing to the "windlass mechanism". When the toes are dorsiflexed in the propulsive phase of gait, the plantar fascia becomes tense, resulting in elevation of the longitudinal arch and shortening of the foot (see 3A).
The long plantar ligament is the longest of all the ligaments of the tarsus.It is attached behind to the plantar surface of the calcaneus in front of the tuberosity, and in front to the tuberosity on the plantar surface of the cuboid bone, the more superficial fibers being continued forward to the bases of the second, third, and fourth metatarsal bones.
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The medial plantar nerve supplies: the abductor hallucis, the flexor digitorum brevis, the flexor hallucis brevis and the first lumbrical.Cutaneous distribution of the medial plantar nerve is to the medial sole and medial three and one half toes, including the nail beds on the dorsum (like the median nerve in the hand).