Is Your Sternum Popping, Collar Bone Cracking? Here's Why!
Sternum popping, collar bone cracking, or joint cracking in general is not considered harmful; and if you go see your doctor about it, he/she will probably tell you not to worry. This is a natural occurrence and, though we are still unsure why it happens, we are fairly certain it does not pose any threat to your joint health (kinda weird we can make this claim when we don`t know the exact ...
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