Medically reviewed by Cara Beth Lee, MDYour knee may keep popping, clicking, crunching, or grinding due to harmless causes, like air bubbles in or around your knee joints. Crepitus is the medical term ...

There are two important tendons in the knee. The quadriceps tendon connects ... cause your knee to lock in a certain position, or to click or grind through its range of motion.

The posterolateral corner (PLC) is the area where several tendons and ligaments come together at the back and outside of your knee. The structures that help stabilize your knee and make up the PLC ...

What Is Jumper’s Knee? Jumper’s knee refers to pain in the patellar tendon, which is located below your kneecap (patella). Doctors also call the condition patellar tendonitis. If the pain ...

Tendonitis of the patellar (knee ... If you feel acute weight-bearing pain in the knee, hear a popping sound or feel a popping sensation, seek medical attention, as it could signal a fracture ...

A case is here reported of a semiprofessional athlete with a ruptured popliteus tendon without significant instability of the knee. The diagnosis was made by magnetic resonance imaging and confirmed ...

A growing body of anatomic, biomechanical and clinical data has demonstrated the utility of quadriceps tendon autograft in arthroscopic knee ligament reconstruction. The quadriceps tendon autograft ...