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foot arch

Foot arches are formed by the tarsal and metatarsal bones and, strengthened by ligaments and tendons, allow the foot to support the weight of the body in the erect posture with the least weight.

Foot arches are categorized as transverse and longitudinal arches of the foot.

Longitudinal Arches:

The Longitudinal arch of the foot can be broken down into several smaller arches, the main arches are the antero-posterior arches, which may, for descriptive purposes, be regarded as divisible into two types, medial and a lateral.

The medial longitudinal arch in particular creates a space for soft tissues with elastic properties, which act as springs, particularly the thick plantar aponeurosis, passing from the heel to the toes.

The lateral arch is composed of the calcaneus, the cuboid, and the fourth and fifth metatarsals. The most marked features of this arch are its solidity and its slight elevation.

Transverse Arches:

In addition to the longitudinal arches the foot presents a series of transverse arches. The transverse arches are strengthened by the interosseous, plantar, and dorsal ligaments, by the short muscles of the first and fifth toes (especially the transverse head of the Adductor hallucis), and by the PeronŠus longus, whose tendon stretches across between the piers of the arches.

Foot Arch

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