Asked by Jessica Nichole on Jun 10, 2024
Verified
All the following cause flexion at the elbow EXCEPT ________.
A) anconeus
B) brachioradialis
C) brachialis
D) biceps brachii
Anconeus
A small muscle on the posterior aspect of the elbow that assists in extending the arm.
Brachioradialis
A muscle of the forearm that flexes the forearm at the elbow.
Biceps Brachii
A muscle of the upper arm that flexes the elbow and rotates the forearm, consisting of two heads (long and short) originating from the shoulder and attaching to the forearm.
- Understand the functions of different muscles involved in movements such as flexion, extension, abduction, and adduction.
Verified Answer
AC
Amanda CarlsonJun 14, 2024
Final Answer :
A
Explanation :
The anconeus muscle does not cause flexion at the elbow; instead, it aids in extension of the forearm. The other muscles listed (brachioradialis, brachialis, and biceps brachii) all contribute to flexion at the elbow joint.
Learning Objectives
- Understand the functions of different muscles involved in movements such as flexion, extension, abduction, and adduction.