Well do you? Starting 3rd grade, I started doing it for some reason. Never stopped then ;]. I read in a magazine, experts say you don't get arthritis when cracking knuckles, and its never bad. It's filled with something, thats liquid. or gas. i forgot D; XD.
Do you crack your knuckles? Sometimes? Every hour? .-., I usually do it 5 times a day =]
Do you crack your knuckles? Sometimes? Every hour? .-., I usually do it 5 times a day =]