Comparison of Effect of Muscle Energy Technique vs PNF in Individuals With Hamstring Shortness

Inclusion Criteria: * Subjects with age group between 20 to 60 years with sedentary lifestyle will be included. * both males and females will be included. * Patients with diagnosed Tight hamstrings having knee extension less than 160º with the hip at 90º flexion. * Patients with decreased ROM at the knee joint. * Patients with reduced straight leg raise. * Patients with pain in posterior compartment of thigh. * Asymptomatic patients will be included. * Patients with restricted mobility of lower limb due to Hamstring shortness. * Symptomatic patients with hamstring tightness like of low back pain, pelvic tightness, knee osteoarthritis (grade 1 and 2) are included in the research. Exclusion Criteria: * Patients with prolapsed disc will excluded.(14) * Patients with lower extremity injuries (strain, sprain, ligament injuries, etc.) in last 6 months will be excluded. * Patients with severe hamstring injury either acute or chronic will be excluded. * Patients with visual acute swelling in the region of hamstring muscle * Patients with fracture of any type and area. * Patients with dislocations or subluxations present will be excluded. * Patient recommended for TKR of knee joint. * Patients with any neurological disease like lumbar/cervical herniation, polyneuropathy, scoliosis etc.) * Patient with any tumor of hip or knee with traumatic brain injury, spinal cord injuries will be excluded.