Metacarpals
scaphoid, lunate, triquetrum, pisiform, trapezium, trapezoid, capitate, hamate
Metacarpals are the bones located in the hand that form the intermediate part of the skeletal structure between the wrist and the fingers. There are five metacarpal bones in each hand – one for each finger. The metacarpals are long bones that are characterized by a shaft and two ends. The top end of the metacarpal that meets the finger bones is called the head, and the bottom end of the metacarpal that connects to the wrist bones is called the base.
The metacarpals are essential for a range of human movements and functions, including the grasping and manipulation of objects, as well as supporting the weight of the body during activities such as crawling or push-ups.
In terms of structure and function, the metacarpals are very similar to the metatarsals, which are the bones that make up the intermediate part of the foot. However, the metacarpals are typically smaller in size and more mobile than the metatarsals due to differences in mechanical demands and anatomical positioning.
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