Which of these bone combinations represents a pair of pivoting bones?
A) tibia and fibula
B) ulna and radius
C) pisiform and triquetrum
D) clavicle and scapula

Question

Quizplus · Accepted Answer

The ulna and radius are a pair of pivoting bones in the forearm that allow for rotational movement. The tibia and fibula are a pair of bones that are parallel and do not pivot. The pisiform and triquetrum are both wrist bones, but they do not pivot with each other. The clavicle and scapula are both part of the shoulder girdle, but they also do not pivot with each other.

Which of These Bone Combinations Represents a Pair of Pivoting