Patellar Tendinitis

Patellar tendinitis is an inflammation of the tendon connecting the kneecap (patella) to the shinbone (tibia). Commonly called jumper's knee, patellar tendinitis is also referred to as patellar tendinopathy and patellar tendinosis.


  • Pain in the area of the tendon
  • Tightness or stiffness in the knee
  • Pain experienced at the beginning and end of physical activity
  • Swelling around the tendon itself
  • Constant ache

Common causes:

  • Overuse of the knee especially during any sort of jumping activity
  • A change in the intensity, type, or duration of the activity
  • Tight hip or leg muscles
  • Muscular strength imbalance
  • Change in shoe support
  • Change in gait mechanics
  • Muscular weakness
  • Genetic abnormalities (patella alta) can occur when the kneecap is positioned higher up on the knee joint causing strain on the patellar tendon

Risk Factor:

  • Overweight
  • Genetic disposition