Inclusion Criteria:  Aged > 30years. Both male & female. Uni/bilateral OA. Grade I or II OA. Uni/bilateral hamstring tightness ranging between 40 to 70 degrees of a straight leg raise.  Exclusion Criteria:  Hamstring injury and strains within 2 months. Any skin infections History of any lower limb surgeries within last 6 months. Lumber disc herniation. Lower limb neurological compromise.