Asked by Emily Walsh on May 07, 2024
Verified
Supination of the forearm and hand is accomplished by the ________.
A) brachioradialis and anconeus
B) biceps brachii and supinator
C) triceps brachii and supinator
D) anconeus and supinator
E) supinator and brachialis
Supination
Rotation of the forearm (when the forearm is parallel to the ground) so that the anterior surface is up (supine).
Brachioradialis
A muscle of the forearm that flexes the forearm at the elbow, especially when the forearm is in a midposition between pronation and supination.
Biceps Brachii
A muscle of the upper arm that flexes the elbow and rotates the forearm, consisting of two heads that join on the radius.
- Differentiate muscles according to their distinct actions within the forearm and arm.
- Distinguish between muscles based on their involvement in specific finger, hand, and leg movements.
Verified Answer
ZK
Zybrea KnightMay 11, 2024
Final Answer :
B
Explanation :
Supination of the forearm and hand is primarily accomplished by the biceps brachii and the supinator muscle.
Learning Objectives
- Differentiate muscles according to their distinct actions within the forearm and arm.
- Distinguish between muscles based on their involvement in specific finger, hand, and leg movements.