Muscles And Movement Of Breathing

Question 1

What happens during breathing?

Answer 1

The ribs move in two planes, forwards and backwards (anteroposterior) and laterally

Question 2

What is the anteroposterior motion?

Answer 2

Compared to a pump handle action where the ribs are the handle of the pump

Question 3

What is the lateral movement?

Answer 3

Often compared to a bucket handle, where the ribs are a handle pivoting at the spine and sternum