Your body has millions of parts working together every second of every day. In this series, Dr. Jen Caudle, a board-certified family medicine physician and an associate professor at Rowan University ...

There are two types of people in this world: those of us who crack our knuckles and those who absolutely despise it. For many ...

Cracking the knuckles is a common habit. Does it cause arthritis or harm the joints? Rheumatologist Dr. Natalie Azar ...

Nearly all of us have experienced our joints ‘pop’ at some point in our lives. Whether it was from cracking our knuckles, getting adjusted by a chiropractor, or the inadvertent sound that sometimes ...

A machine designed to 'crack' the metacarpophalangeal joints of human subjects, used in the 1970s study. Michael Huckabee is professor and director of the physician assistant program at UNMC. He's ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Creaky joints may ...

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 ...

Inspired by this thread, http://episteme.arstechnica.com/eve/forums/a/tpc/f/34709834/m/532009338831, I decided to see what joints everyone here can pop. The last two ...

Joint cracking and popping, known as crepitus, is usually harmless and caused by gas bubbles, tendon movement, or tight muscles. However, persistent sounds accompanied by pain, swelling, stiffness, or ...

The popping sound habitual knuckle crackers make may be annoying — or even alarming — but are they actually harming themselves? The research is somewhat limited but generally concludes that ...

Despite what you may have heard, no. Shockingly, knuckle popping has somewhat of the opposite affect. Taking your joints through their full range of motion, which is what you do when you pop them, is ...