Bones of the Upper Limb

Definition

The bones of the upper limb form the skeletal structure from the shoulder to the fingertips, consisting of the arm (humerus), forearm (radius and ulna), and hand (carpals, metacarpals, and phalanges). These bones support movement, provide attachment for muscles, and protect internal organs.

Related terms

Humerus:

The long bone in the upper arm that runs from shoulder to elbow.

Radius:

One of the two bones of the forearm, positioned on the thumb side when viewed in anatomical position.

Carpals:

The eight small bones that make up the wrist joint, allowing for a wide range of hand movements