Metapodial

Metapodial refers to the intermediate part of the hand (metacarpus) or foot (metatarsus) of a vertebrate, extending from the wrist or ankle to the phalanges. In humans, the metapodials are the five metacarpal bones of the hand and the five metatarsal bones of the foot.

Structure

The metapodials are long bones, each consisting of a body or shaft, and two extremities. They are numbered from the medial side (side of the thumb or big toe): the first, second, third, fourth, and fifth metacarpal or metatarsal.

Metacarpals

The metacarpal bones are five in number, and are situated between the carpal bones and the phalanges. Each metacarpal bone consists of a body or shaft, and two extremities.

Metatarsals

The metatarsal bones are five in number, and are situated between the tarsal bones and the phalanges of the foot. Each metatarsal bone consists of a body or shaft, and two extremities.

Function

The metapodials play a crucial role in the movement and flexibility of the hands and feet. They allow for a wide range of motion and dexterity, enabling actions such as grasping, walking, and running.

Clinical significance

Injuries to the metapodials, such as fractures or dislocations, can significantly impair hand or foot function. Treatment typically involves immobilization, physical therapy, or in severe cases, surgery.

See also

• Carpal bones
• Tarsal bones
• Phalanges