DEAR MAYO CLINIC: One of my knees makes an odd crackling sound (like the sound you might hear when scrunching plastic wrap) when I go down a flight of stairs. However, I don't have any knee pain.

The human body makes strange noises when something’s amiss. A growling tummy can mean you're low on food. Wheezing from the chest can imply a respiratory infection. So when your knees make snap, ...

(MENAFN- The Conversation) It's a quiet morning. You lace up your shoes, step outside and begin a brisk morning stroll. But as you take those first few steps, there it is, a faint grinding noise, ...

Many people’s knees squeak, crack, or crackle, a phenomenon known as crepitus. Most of the time, it’s no big deal at all. But a loud popping sound accompanied by pain and swelling indicates an injury.