Question

which of the following occurs during pronation at the distal radioulnar joint?
a) the concave radius rolls and glides anterior
b) the convex radius rolls posterior and glides anterior
c) the convex radius rolls anterior and glides posterior
d) the concave radius rolls and glides posterior

Explanation:

During pronation at the distal radioulnar joint, the convex radius rolls anterior and glides posterior. This is based on the biomechanics of the joint movement.

Answer:

c) The convex radius rolls anterior and glides posterior