Radius Bone Type. In concert with each other the two bones. These bones are specially designed in order to enable the movements that are unique for the upper limb such are supination and pronation.
Type I is a nondisplaced fracture of the radial head. Type II is a displaced fracture with impaction depression andor angulation. The radius is on the thumb side of the forearm.
All land vertebrates have this bone.
The radius bone is homologous to the medial bone of the leg tibia. In humans it is shorter than the other bone of the forearm the ulna. Type II is a displaced fracture with impaction depression andor angulation. The flat bones include the scapula wingbone the ribs and the sternum breastbone.
