Anatomy Of Metacarpals

They consist of a proximal base a shaft and a distal head. Each finger has three phalanges.

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1st metacarpal radial border adductor pollicis origin.

Anatomy of metacarpals. They are five in number one for each digit and lie side by side and slightly divergent from each other being separated by intervals called interosseous spaces. The metacarpal bones form the skeleton of the palm articulating proximally with the carpus and distally with the digits. Anatomy of the metacarpals parts of a metacarpal.

Theyre conventionally numbered 1 to 5 from lateral radial to medial ulnar side. The metacarpals are long bones within the hand that are connected to the carpals or wrist bones and to the phalanges or finger bones. Capitate base and bases of 2nd and 3rd metacarpal.

They can be divided into three categories. Capitate trapezium and flexor retinaculum. Muscular attachments in the metacarpal area.

The metacarpus of the hand is composed of five bony structures known as the metacarpals. Capitate base and bases of 2nd and 3rd metacarpal. These are located in the wrist area.

Anatomy of the middle finger metacarpal. The third with the capitate and second and fourth metacarpals. The first with the trapezium.

Metacarpals there are five metacarpals each one related to a digit. The insertion of the flexor carpi radialis at the base of the second metacarpal contributes as well. Theyre conventionally numbered 1 to 5 from lateral radial to medial ulnar side.

Scaphoid bone and trapezium flexor retinaculum. This metacarpal has multiple articular facets on its base which is shaped somewhat like a styloid process with an articular facet on the radial dorsal surface for articulating with the distal carpal bone capitate. The articulation with the hamate and the fourth and fifth metatarsal bases allows for much freer movement but the cmc and metacarpal ligaments are still very strong.

On the palm side they are covered with connective tissue. The fourth with the. The metacarpus is composed of 5 metacarpal bones.

Phalanges distal the bones of the fingers. Carpal bones proximal a set of eight irregularly shaped bones. They consist of a proximal base a shaft and a distal head.

The metacarpals together are referred to as the metacarpus the tops of the metacarpals form the knuckles where they join to the wrist. The second with the trapezium trapezoid capitate and third metacarpal. Besides the metacarpophalangeal joints the metacarpal bones articulate by carpometacarpal joints as follows.

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