Patellar tendinitis is an injury to the tendon connecting your kneecap (patella) to your shinbone, is a relatively common cause of pain in the inferior patellar region in athletes. It is common with frequent jumping. Patellar tendinitis, otherwise called jumper's knee, is most regular in competitors whose games include frequent jumping— for example, basketball and volleyball.
Pain is the first symptom of patellar tendinitis, usually between your kneecap and where the tendon attaches to your shinbone (tibia). Anterior knee pain over the patella tendon, Pain made worse with jumping, landing or running activity and sometimes with prolonged sitting, Onset of pain is usually gradual and commonly related to an increase in sport activity, Localised tenderness over the patella tendon, Often the tendon feels very stiff first thing in the morning.
Jumper’s knee is a disabling and often chronic condition that affects athletes in many sports, particularly elite athletes engaged in explosive jumping sports. Epidemiological evaluations showed that the average duration of substantial pain problems and reduced function is nearly three years and that at 15 years’ follow-up 53% of the subjects reported quitting their sports career due to the damaged knee.