Sorry the above comment was meant as a reply to another posters comment.
But in responce to your question, yes it is normal. You're not the only one who does it. I myself do it - and admittedly - I love doing it. There's a great deal of satisfaction when I pop it. So carry on! unless you start to feel pain.
cracking my sternum
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Sorry the above comment was meant as a reply to another posters comment.
But in responce to your question, yes it is normal. You're not the only one who does it. I myself do it - and admittedly - I love doing it. There's a great deal of satisfaction when I pop it. So carry on! unless you start to feel pain.