Which muscle elevates the ribs during forced inspiration, as during strenuous exercise?
A) serratus anterior
B) levator scapulae
C) trapezius
D) pectoralis minor
D
Explanation:
A) The serratus anterior protracts the shoulder.
B) The levator scapulae elevates the scapula.
C) The trapezius elevates, retracts, depresses, or rotates the scapula upward.
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