When you feel your knee is giving out, meaning that suddenly the knee ... problems with motion, and sounds of popping or cracking (crepitus) at the knee. Your provider also may try some ...

A loud pop or "popping" sensation in the knee is ... But if the pain doesn’t lessen or disappear, or the knee is giving out when you try to walk, you should see a doctor. Patellar tendonitis ...

An injury or arthritis most likely causes pain outside the knee. A doctor can determine the cause based on your other symptoms and the results of imaging tests. Pain on the outer (or lateral ...