A since if u we’re doing a exercise wrong you could pull a muscle
Strength training is for every person, whether you're 25 or 85 years old. Strength training is a crucial aspect of staying fit, losing or maintaining weight, and our overall health.
Answer:.
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Because it is flexible. Think about it; the ribs protect both the lungs and the heart. If the ribs were solid bone all the way around then unless you constantly break your ribs you wouldn't be able to expand the cheat to breath. Additionally your lungs would constrict the heart to a degree that it would function properly.
