The Proximal End of the Radius Illustrates the Relationship of Form

Multiple Choice

The proximal end of the radius illustrates the relationship of form and function. The cup-like surface of the radial head articulates with the rounded shape of the capitulum. This forms a joint that allows for ________.

A) the curling of the fingers
B) the rotational motion of the forearm
C) the hinge like motion of the forearm
D) the hyper extension of the forearm