Whack it with something?
Radius
The bone that is easy to break is the radius,ulna,tibia and the fibia.
As soon as you can walk.
a fracture
The radius is a long bone.
Your Radius is on the thumb side of ur body.
it is the radius
an arm bone
Forearm bone
-Ulna bone: elbow bone -Radius bone: Forearm bone The radius is the bone of the forearm that extends from the lateral side of the elbow to the thumb side of the wrist. The radius is situated on the lateral side of the ulna, which exceeds it in length and size. It is a long bone, prism-shaped and slightly curved longitudinally.
Radius
The radius is a bone in the forearm, not a muscle.