Corpus3D

Wrist and hand

Ulnar styloid process

Processus styloideus ulnae

How to find it
On the little finger side, the knob at the end of the ulna. It turns along during pronation and supination.
What you use it for
Together with the radial styloid the measure of ulnar variance; the fovea just distal to it is the tender point in TFCC injury.
On the bone
Ulna
Body region
Wrist and hand