Q: My knee makes a popping sound sometimes — should I be concerned? A: Knee noises can be unsettling, but they're not always a cause for concern.

As soon as you get up from the sofa “creak,” your knee clicks. At first you don’t think much of it, but when the chorus of crackles follows you throughout your day, you can’t help but wonder, “What ...

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.

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, almost like the crunch of ...