Watch the video to know what happens to your knuckles if you crack them way too much
You know how you sometimes get a sudden urge to crack your knuckles, and even though it makes a very annoying sound, popping that air out of your fingers feels really good. Most of us faintly understand why we crack our knuckles as the urge to pop out the extra air between the joints of our fingers. However, this video below shows exactly what happens to your knuckles when you crack them for a long time.
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( Source : deccan chronicle )
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