Patellar tendinopathy, also called jumpers knee or runner’s knee, affects up to 20 % of skeletally mature athletes and up to 50 % of athletes involved in jumping or landing sports. This results from degeneration of the patella tendon.
Running, Jumping and Landing.
Pain is often felt under the kneecap other symptoms may include:
Often lacks an identifiable cause.
Happens gradually over time.
Pain comes and goes.
Can affect 1 knee or both knees.
Pain when standing up, jumping, squatting, running and walking down steps