Mayo Clinic is rated a top hospital for patellar tendinitis/quadriceps tendinitis and is home to knee doctors with expertise in diagnosing and treating sports and recreational injuries.
Patellofemoral Pain Syndrome - Physiopedia
Patella: Anatomy, function and clinical aspects
Quadriceps Tendonitis: Causes & Treatment - Knee Pain Explained
What is Patellar Tendonitis? - Dr. Roger Chams
ACL Surgery - SportsMD
Patellar Tendon Tear - OrthoInfo - AAOS
The Real Heal: Overcoming Athletic Pain
Patellofemoral Pain Syndrome and Hip Strength - Physiopedia
What is Patellar Tendonitis? - Dr. Roger Chams