Bowen Technique With Retro-walking on Hamstring Flexibility in Knee Osteoarthritis

Inclusion Criteria: * Age 40-60 years * Both gender: male and female * Less than 80-degree hip flexion angle on passive SLR, Active knee extension greater than 20 indicates hamstring muscle tightness * Kellgren and Lawrence classification (stage I and stage II) * Bilateral hamstring tightness * Visual analogue scale value greater than 3 * Pain duration more than 3 months Exclusion Criteria: * Meniscal injury or ligamentous injury * Muscle/tendon injuries of hamstring * Spinal Injuries and any other co- morbidity * Any surgery, infection, trauma, pregnancy, fracture and fall * Involvement in regular flexibility yoga program * Patient with intra articular steroidal therapy with in last 6 months * Patient involvement in another intervention study * Malignancy * Pregnancy