Question

What type of force does a backpack exert on the body’s back and hips?

A.
tension
B.
compression
C.
flexion
D.
extension

Answer 1

B. Compression

Step-by-step explanation:

Backpack cause strain in one's neck, back and shoulders especially when it is loaded with load, the weight's force pull backward. In order to compensate for the force we bend forward at the hips or arch our back and this causes the spine to compress unnaturally.