Anatomy Of Metacarpals
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. Capitate base and bases of 2nd and 3rd metacarpal.
Capitate base and bases of 2nd and 3rd metacarpal.
Anatomy of metacarpals. On the palm side they are covered with connective tissue. The metacarpals together are referred to as the metacarpus the tops of the metacarpals form the knuckles where they join to the wrist. 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 metacarpus of the hand is composed of five bony structures known as the metacarpals. Anatomy of the metacarpals parts of a metacarpal. Theyre conventionally numbered 1 to 5 from lateral radial to medial ulnar side.
1st metacarpal radial border adductor pollicis origin. They consist of a proximal base a shaft and a distal head. The second with the trapezium trapezoid capitate and third metacarpal.
Metacarpals there are five metacarpals each one related to a digit. The fourth with the. Capitate trapezium and flexor retinaculum.
The insertion of the flexor carpi radialis at the base of the second metacarpal contributes as well. The metacarpals are long bones within the hand that are connected to the carpals or wrist bones and to the phalanges or finger bones. Phalanges distal the bones of the fingers.
Theyre conventionally numbered 1 to 5 from lateral radial to medial ulnar side. The first with the trapezium. Anatomy of the middle finger metacarpal.
Scaphoid bone and trapezium flexor retinaculum. Carpal bones proximal a set of eight irregularly shaped bones. Each finger has three phalanges.
They consist of a proximal base a shaft and a distal head. The metacarpal bones form the skeleton of the palm articulating proximally with the carpus and distally with the digits. Muscular attachments in the metacarpal area.
These are located in the wrist area. They can be divided into three categories. 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 third with the capitate and second and fourth metacarpals. The metacarpus is composed of 5 metacarpal bones. Besides the metacarpophalangeal joints the metacarpal bones articulate by carpometacarpal joints as follows.
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