A bit of relief, or maybe just a force of habit: We’re separating fact from fiction about what happens when you crack your knuckles and other joints. * It all has to do with the “synovial fluid” in ...
From knuckle pops to neck crunches, joint cracking is common and oddly satisfying. But what’s actually happening inside the ...
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 ...