The arm is the part of the upper limb that spans between the shoulder and the elbow.
Regions
The regions of the arm include:
- Anterior brachial region
- Posterior brachial region
Bones
The bony arm consists of the humerus.
Gray's Anatomy specifies the middle and distal parts of the humerus to belong to the arm, together with the proximal portions of the radius and ulna.