Comparison of IASTM and Muscle Energy Technique in Patellofemoral Pain Syndrome.

Inclusion Criteria: * • Age between 18 and 35 years * Both Genders. * Anterior or retro patellar knee pain for at least the past 3 months. * Knee pain during at least 3 of the following activities: ascending/descending stairs, squatting, hopping/ running, and prolonged sitting. * Retro patellar pain in patellar grind test (positive clarke's sign). * A score of at least 3 on the visual analog scale (VAS). * Positive Ober's test. Exclusion Criteria: * • Any meniscal or ligament tears of knee. * Knee osteoarthritis. * Any previous surgery of lower limb. * Patellar fracture or fracture of lower extremity. * Having received knee injections of corticosteroids or hyaluronic acid. * Osteoporosis of knee joint.