The experts representing the theory that cracking your knuckles can lead to arthritis. When Dr. Donald L. Unger was a child, he was warned from his mother that if he keeps on cracking the knuckles he will get arthritis when he gets older.
He decided to contribute to this research and he conduct an experiment that lasted whole 60 years! He cracked the knuckles on his left hand only and never cracked the knuckles on his right hand.
After the 60 years, the conclusion is:
“There is not the slightest sign of arthritis in either hand.”
It is the most dedicated researcher of knuckle cracking. Now, the famous myth is officially debunked.