What does the "pump handle" movement of rib pairs 2 through 7 achieve?

Name: What does the "pump handle" movement of rib pairs 2 through 7 achieve?
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Question

Quizplus · Accepted Answer

The "pump handle" movement of rib pairs 2 through 7 causes an increase in the anteroposterior diameter of the chest, which allows for increased lung capacity and ventilation. This movement is important in breathing and can help to prevent respiratory issues. The other options (A, B, and D) are not accurate descriptions of the effects of this movement.

What Does the "Pump Handle" Movement of Rib Pairs 2