When the biceps brachii contracts, the wrist moves closer to the shoulder. This movement is called A) flexion.
B) extension.
C) adduction.
D) abduction.

letter A

Explanation:

Primary functions of the biceps brachii is flexion of the elbow and supination of the forearm. In fact, it is the prime mover of forearm supination. Since it crosses the gleno-humeral joint, it also serves to assist shoulder elevation.