If knuckle cracking causes you pain, there may be a physical problem ... People most often pop their middle finger joints — the second most common place for arthritis to occur.

The areas that provide sensory information to the median nerve include: The palm side of the thumb, index, middle fingers, and half of the ring finger The area above the second knuckle (closest to ...

Some people do it without even thinking, others can't stand the noise, and some can't crack their knuckles at all. You might have been told as a kid that it causes arthritis or makes your fingers ...