“The meniscus, a cushion between the knee bones, can tear from a simple twist, causing pain and swelling that makes the knee feel stiff or 'locked.' When this happens, simple movements like squatting ...

A firm lump in the back of your knee when you press on it Pain when extending the leg Swelling in the knee or lower leg ...

The Minnesota Vikings had a scare this week with quarterback J.J. McCarthy. He had a knee procedure to relieve swelling that ...