Which of the Following Is a False Statement About Joint

Which of the following is a false statement about joint arthrokinematics?

A) The more congruent the joint surfaces are, the more rolling of one joint surface on the other occurs.
B) In normal ovoid joints, rolling and sliding both occur.
C) If a moving joint surface is convex, sliding of that surface is opposite that of its swinging bone.
D) Movement of the head of the radius against the capitulum during pronation/supination is called spin.