I have a routine for when I get home from work: Crack each toe, then my ankles, both knees, pelvic bone (a particularly good one), twist-crack my lower back, both shoulders, my wrists, then each and ...

I was seven years old when I first saw someone with severe rheumatoid arthritis. I had just met one of my grandmother’s cousins, whose swollen joints and gnarled fingers fascinated and terrified me. I ...

Maybe you've cracked your knuckles before or you do it all the time. Perhaps you know someone else who does it habitually. Have you ever wondered what exactly is happening to make that sound? While it ...

Whether you love it or hate it, cracking knuckles is a common habit we've likely all done at some point. It's one of life's simple pleasures for some people, who crave the satisfying "pop" and ...

I’ve got my fair share of unconscious habits: running my hands through my hair, tapping my feet, pursing my lips when I’m concentrating—and, of course, cracking my knuckles. That last one is perhaps ...

There are many reasons people crack or pop their knuckles. Some do it as a nervous tic, others do it because of restlessness, still others do it to relieve pressure and stiffness and then some, ...