Multiple Choice
True or False: if false, choose the answer that best corrects the statement.
During a muscle contraction, the origin moves towards the insertion.
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10. Muscles
Origin and Insertion
Multiple Choice
How many origins are there for the biceps brachii muscle?
A
two
B
one
C
four
D
three
Verified step by step guidance1
Understand that the biceps brachii is a muscle located in the upper arm, primarily responsible for flexing the elbow and supinating the forearm.
Recall that the term 'origin' in muscle anatomy refers to the point where the muscle attaches to a stationary bone, typically closer to the center of the body.
Identify that the biceps brachii has two heads, which are the long head and the short head, each with its own origin.
The long head originates from the supraglenoid tubercle of the scapula, while the short head originates from the coracoid process of the scapula.
Conclude that the biceps brachii muscle has two origins, corresponding to its two heads.
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