This muscle extends across the inner surface of the thoracic cage and attaches to ribs 2-6.It helps depress the ribs.
A)External intercostal
B)Scalene
C)Transversus thoracis
D)Internal intercostal
E)Serratus posterior inferior

Question

Quizplus · Accepted Answer

The muscle described is the transversus thoracis, which extends across the inner surface of the thoracic cage and attaches to ribs 2-6. It helps depress the ribs during exhalation.

This Muscle Extends Across the Inner Surface of the Thoracic