What is the origin of the biceps brachii muscle?
Understand the Problem
The question is asking about the anatomical origin of the biceps brachii muscle. It is providing multiple choice answers related to its muscular structure and where it attaches in the body.
Answer
The short head originates from the coracoid process; the long head from the supraglenoid tubercle of the scapula.
The short head of the biceps brachii muscle originates from the apex of the coracoid process of the scapula, and the long head originates from the supraglenoid tubercle of the scapula.
Answer for screen readers
The short head of the biceps brachii muscle originates from the apex of the coracoid process of the scapula, and the long head originates from the supraglenoid tubercle of the scapula.
More Information
The biceps brachii is a two-headed muscle located in the upper arm. Its role includes flexion of the elbow and supination of the forearm.
Tips
Some confusion might arise in distinguishing between the origin (where the muscle starts) and insertion (where the muscle ends). Remember, the origin is typically on the less movable bone.
Sources
- Biceps brachii muscle: Origin, insertion, action - Kenhub - kenhub.com
- Biceps Brachii - UW Radiology - University of Washington - rad.washington.edu
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