A loose body is a free-floating piece of bone, cartilage, or a foreign object in a joint.

Symptoms of a loose body in the knee joint may include:

Ability to feel the loose body by touching the knee.

He crawled up on the bed, and I watched his body, small and loose, more than his face.

There's a ligament sprain plus old loose bodies in the elbow.

No ligaments are torn, but there is a loose body, or bodies, in the knee that will have to be removed.

People around here don't just fry up any loose body.

The knee is the most common site for loose bodies.

But they did have to remove some loose bodies.

It can be mistaken for a loose body or osteophyte.