I am 25 and my sternum has been popping for the last 4 or 5 years. I have never had the feeling of pressure being built up in my chest and have never felt relief or pain from popping it. I have excellent posture and am in excellent health. I do not suffer from chronic pain and my only issue with my health is a bit of an overactive metabolism. However, I am very curious as to why I can "pop" my sternum. No one I know has ever had this experience and only on the internet do I find people who can describe a similar feeling.View Thread
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