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Understanding The Metatarsal Bones Of The Foot

Reviewed by
Dr. Mark Landsman

There are five metatarsals in all. The metatarsals are the long bones located in our feet, between the tarsal (ankle) bones and the phalanges (the toes). The metatarsals form the foot’s arch and serve as its shock absorber.

They are connected to the forefoot and hindfoot by muscles, and by the plantar fascia ligament. The metatarsals are not named individually. Instead, they are numbered first (the big toe) through fifth (the pinky).

Each metatarsal has a long shaft with two expanded ends called the base and the head. Here is a quick description of each of the metatarsal bones:

metatarsal bones

  • The first metatarsal bone is the shortest and thickest. It connects several tendons and plays a huge role in propulsion (forward movement) when walking.
  • The second metatarsal bone is the longest and is firmly held between the first and third cuneiform bones. This bone is the most susceptible to injury.
  • The third metatarsal bone is in the middle, and it articulates the third cuneiform, second and fourth metatarsal bones.
  • The fourth metatarsal bone is smaller than the third, but like the third it articulates the surrounding metatarsals (third and fifth), and it also articulates the cuboid.
  • The fifth metatarsal bone articulates the cuboid and the fourth metatarsal. A fracture of the fifth metatarsal is called a Jones fracture, and it is a common injury to this bone.

To learn more about the cuboid, cuneiform and additional bones, please read our article on bones of the foot.

What are the Metatarsals’ Roles?

The metatarsal bones are extremely strong and durable, and they play a major role in how our feet function. First, they act as shock absorbers for the heel, ankle, and toes. Second, the metatarsals help to create two of the three arches located in our feet.

The first three metatarsals, combined with the calcaneus (heel bone), the talus (ankle bone), the navicular, and the cuneiforms make up the medial longitudinal arch.

The fourth and fifth metatarsals, combined with the calcaneus and cuboid, make up the lateral longitudinal arch, which is lower and flatter than the medial arch. The metatarsals provide stability while standing.

Metatarsal Injuries

The metatarsal bones are our body’s shock absorbers. Because of this, they are also very susceptible to injuries, especially during sports-related activities, or as our bodies slow down with age. The most common injuries to the metatarsals are acute fractures and stress fractures.

Acute fractures are usually caused by a sudden, violent impact, such as when a heavy object falls on the foot. Stress fractures happen over time, and are usually the result of repetitive movements.

The second, third, and fourth metatarsals suffer stress fractures more than the first and fifth bones, but all are prone to acute fractures.

Medical References:

  1. H.F. Fullmann "Atlas of Anatomy" (Tandem Verlag GmbH, 2009) 100
  2. Professor P. Abrahams "A Complete Guide to How the Body Works, The Atlas of the Human Body" (Amber Books, 2009) 225
  3. MedTerms, Metatarsals,

This page was last updated on January 1st, 2016

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There are five metatarsals in all. The metatarsals are the long bones located in our feet, between the tarsal (ankle) bones and the phalanges (toes).

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