Later in life, your hands will shake. You’ll get arthritis. You’ll suffer from rheumatism… These are just some of the warnings you’ve heard if you often stretch your joints and crack your knuckles. Keep reading to find out what exactly happens.
The fluid in the joints, synovial fluid, due to the drastic fall in pressure when the wrist is stretched, is converted partly into gas. The sound we hear is actually the gas bubbles coming out of the liquid. Is it safe?
To refute the thesis about arthritis, the doctor Donald Unger 60 years was cracked the knuckles only on the left arm, and never on the right. Arthritis did not appear on either. For his research he won IG Nobel for medicine, award given to silly achievements.
The only danger of cracking your knuckles is that you will run into someone whom this really, really bothers. And that someone has a criminal record, six feet and a bad temper.
Watch the video that follows to find out more: