Inclusion Criteria:  Unilateral/bilateral osteoarthritis Participants with unilateral/bilateral hamstring tightness 200 from Active Knee Extension test Grade 1 and 2 in Kellgren and Lawrence criteria for knee osteoarthritis  Exclusion Criteria:  Participant failing to fall in the category below will be excluded from the study: Any lower extremity injury in past 3 months Any fracture or surgery done for pelvis, hip or knee. Any neurological symptoms. Any recent knee reconstructive surgery Burns of lower extremities Other musculoskeletal disorders associated with knee joint, Iliotibial band, adductor muscle and Sartorius muscle tightness