So, for this one, we're going tomimic the motion of popping a top of a bottle so whateverfinger or knuckle that you're looking to pop let's say it'sthe middle knuckle right here on my index finger we ...

The popping sound habitual knuckle crackers make may be annoying — or even alarming — but are they actually harming themselves? The research is somewhat limited but generally concludes that ...

Many believe cracking knuckles weakens grip. However, scientific studies show this habit does not reduce grip strength.