Comparison of Concentric-eccentric Exercises in Patellofemoral Pain Syndrome

Inclusion Criteria: * Players between the age 18 to 36 years. * Both male and female gender. * Patients who have Patellar grind test positive. * The presence of retropatellar or peripatellar pain. * Reproduction of retropatellar or peripatellar pain with squatting, stair climbing, prolonged sitting, or other functional activities loading the PFJ in a flexed position. Exclusion Criteria: * Individuals with a history of recent trauma or surgery of lower limb (16), administration of steroid injection in the past 6 months. * Recent administration of platelet-rich plasma containing growth factors, diagnosis of rheumatoid arthritis, myositis ossificans, diagnosis of other muscular disorder. * Patients who had taken physical therapy of any sort in the past six months will be excluded from the study. * Furthermore, individuals with any history of occupation-related pain will be ruled out