Muscles That Insert on the Olecranon Process of the Ulna

Question

Muscles that insert on the olecranon process of the ulna can act to
A) flex the forearm.
B) extend the forearm.
C) abduct the forearm.
D) adduct the forearm.
E) extend the carpals.

Accepted Answer

The olecranon process is located at the proximal end of the ulna and serves as the attachment point for muscles involved in extending the forearm. Therefore, muscles that insert on the olecranon process can only act to extend the forearm, and the correct choice is B.