Metatarsal bones

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Metatarsal Bones

The Metatarsal Bones (/mɛtəˈtɑːrsəl/; from Greek: metatarsos, meaning 'beyond the tarsus') are a group of five long bones in the foot, located between the tarsal bones of the hind- and mid-foot and the phalanges of the toes.

Etymology

The term "metatarsal" is derived from the Greek words "meta," meaning beyond, and "tarsos," referring to the tarsus bone. Thus, the metatarsal bones are those found "beyond the tarsus."

Anatomy

The metatarsal bones are numbered from the medial side (side of the big toe): the first, second, third, fourth, and fifth metatarsal. Each metatarsal is made up of a base, a shaft, a neck, and a head. The base is the part closest to the ankle and the head is closest to the toe. The narrowed portion below the head is referred to as the neck.

Function

The metatarsal bones are instrumental in balance and propulsion during walking and running. They distribute body weight across the foot and modify pressure applied to the foot's soft tissues.

Related Terms

  • Metatarsalgia: This is a condition characterized by pain and inflammation in the ball of the foot, often associated with overuse or high-impact sports.
  • Metatarsal Fractures: These are common injuries that can occur to one or more of the metatarsal bones.
  • Metatarsus Adductus: This is a common foot deformity noted at birth that causes the front half of the foot, or forefoot, to turn inward.

External links

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