Inclusion criteria:
Inclusion Criteria for Patients: Age range between 25-55 years. Possible isolated pain to the anterior knee when the examiner applies pressure on the upper part of the patella while the patient engages in an isometric contraction of the quadriceps muscle. The test is also deemed positive if the patient is unable to maintain the contraction for more than two seconds. Have a history of patellofemoral pain syndrome, with symptoms persisting for at least the past 30 days. Participants must report pain during weight-bearing activities such as squatting, stair climbing, or prolonged sitting with bent knees. All participants must provide informed consent before enrollment in the study.
Exclusion criteria:
Deformities: Patients with structural abnormalities of the knee, such as valgus or varus deformities .Soft Tissue Injuries: Individuals with significant sprains, strains, or tears in the muscles, ligaments, or tendons around the knee .Fracture: Patients with any recent fractures of the femur, tibia, fibula, or patella.Dislocation of Patella: Individuals who have experienced a patellar dislocation.Patella Alta: Patients diagnosed with patella alta, where the patella is positioned higher than normal.