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.

Imagine the snaps, crackles and pops of a crispy cereal or the sound of a potato chip bag being crumpled. Each time you move your lower limbs, those are the sounds your knees make on the inside, even ...

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.

Popping, clicking, rattling—these sounds from our joints can be unsettling, but are they cause for concern? Orthopedic specialist Chris Gee, MD, demystifies these auditory oddities, highlighting when ...

If your knees click every time you climb the stairs or stand up from the floor, you are not alone. For many people, that small sound can trigger a big worry. Is this the start of arthritis? Is ...

A single shot that appears to regrow worn knee cartilage and head off arthritis sounds like science fiction, yet early data ...

You may have a knee contusion if you experience knee trauma that results in pain, swelling, and skin discoloration. This injury typically heals on its own and doesn’t require surgery. A contusion is ...

A hyperextended knee — or knee hyperextension — develops when the knee joint bends the wrong way and can damage the ligaments in the knee. The condition is common in athletes who play high-impact ...

Knee pain is common among adolescents, especially in physically active teens. Most cases of pain are due to overuse, but knee pain can result from medical conditions and skeletal growth. Knee ...

Former Washington quarterback Michael Penix Jr.'s right knee is reportedly "structurally sound," an encouraging and positive sign leading into the NFL draft after he twice suffered a torn ACL during ...