[…] can be slow [2] Frequency 14% of athletes [1] Patellar tendinitis, also known as jumper's knee, is an overuse injury of the tendon that straightens the knee. [1] Symptoms
[en.wikipedia.org]
Recovery from patellar tendonitis Most athletes will recover within 6-12 weeks.
[howardluksmd.com]
Differential diagnosis Chondromalacia patella, Osgood-Schlatter disease, patellofemoral syndrome, infrapatellar bursitis [1] [2] Treatment Rest, physical therapy [2] Prognosis Recovery
[en.wikipedia.org]