What Happens When You Crack
Your Knuckles?

Answer:

Despite what your mother may have told you, there appears to be no link between cracking your knuckles and getting arthritis.

The Johns Hopkins Arthritis Center in the US points out, however, that knuckle cracking may be associated with injury of the ligaments surrounding the joint of dislocation of the tendons.

A study has also found that, after many years, habitual knuckle crackers may have reduced grip strength.