Tuesday, November 20, 2012

Radius & Ulna

We just learned about the Humerus.

The bones in your forearm are called the radius and ulna.

The radius is the one on the inside top, and the ulna is the one on the outside bottom.
When you turn your hand over, your radius bone moves, but the ulna stays in one place.

radius ulna

(From: Wikipedia - radius, ulna)