The proximal end of the ulna illustrates the relationship of form and function. The rounded trochlear notch articulates with the hourglass shape of the trochlea. This forms a joint that allows for ________.
A. the curling of the fingers
B. the hyper extension of the forearm
C. the rotational motion of the forearm
D. the hinge like motion of the forearm
Answer:D
The proximal end of the ulna illustrates the relationship of form and function. The rounded trochlear notch articulates with the hourglass shape of the trochlea. This forms a joint that allows for ________.
A. the curling of the fingers B. the hyper extension of the forearm C. the rotational motion of the forearm D. the hinge like motion of the forearm