Knuckle cracking, a common habit, involves the formation of an air bubble in the synovial fluid of finger joints. While the ...

The widespread notion that cracking your knuckles causes arthritis or makes your finger joints bigger is a myth. Here's what really happens when you crack your knuckles, and why it's not as bad as ...

Dr Chris van Tullekan questions that piece of perennial parental advice: don’t crack your knuckles or you’ll get arthritis! One researcher, Dr Donald Unger, actually cracked the knuckles of ...

Arthritis is a common acute or chronic condition affecting the joints and surrounding tissues. It’s estimated that roughly 18 ...

They're all over your body, but what do you really know about your joints? This WebMD quiz gives you the facts. Is that just a sore shoulder? Or could it be inflamed bursae in your joint?

If you have rheumatoid arthritis (RA), low-impact exercise can help prevent stiff joints, build muscle, improve endurance, and benefit your heart, bones, and mood. Rheumatoid arthritis is a ...