key term - Trapezoid

Definition

The trapezoid is one of the eight carpal bones located in the wrist, specifically positioned within the second row and playing a crucial role in the hand's mobility and functionality. It articulates with the second metacarpal bone to facilitate movement and support to the structure of the hand.

Related terms

Carpal Bones: These are a group of eight small bones that make up the wrist, enabling it to move and providing support.

Metacarpal Bones: These are five long bones in the hand that connect the wrist to each finger, facilitating hand movements.

Articulation:

This refers to where two bone surfaces come together, allowing for various degrees of movement depending on their structure