Ulna
SkeletalSkeletonArmLeft and right
View left in 3D View right in 3D
- What it is
- The medial (little-finger-side) forearm bone: a large hooked upper end (olecranon and coronoid process around the trochlear notch) that grips the humeral trochlea, tapering to a small head and styloid process at the wrist.
- Function
- Forms the hinge of the elbow and the stable axis around which the radius rotates.
- Size
- ≈ 25 cm long
- Clinical note
- The olecranon is the point of the elbow; it is fractured by falls directly onto the elbow.