Back extension exercise. Total 10 repetitions in 1 set. Total 3 sets in a session. Total 3 sessions in a week. Total 12 sessions in a month.

Pelvic tilt exercise Total 10 repetitions in 1 set. Total 3 sets in a session. Total 3 sessions in a week. Total 12 sessions in a month.

McKenzie's back extension exercise consists; start with your belly facing down on the mat. Angle your legs in line with your hips, point your toes, and breathe into the next movement. Gently bending your elbows, push yourself up off the floor, until you feel the extension in your back. Be mindful not to lock your elbows as you support your weight with your hands and wrists for 10 seconds. Take deep inhales and exhales as you move in and out of the pose. Patients will be performed these activities under the supervision of physiotherapist.

In this study pain intensity of the subjects will be noted via numeric pain rating scale. The reading of NPRS is in number from 0 to 10 where 0 mean no pain, 10 means worst pain, 1-3 indicate mild pain, 4-6 present moderate pain, and 7-10 means severe pain. Patient tell us in numeric form how much he feels pain for example patient tell us he has 4 pain; its mean patient has moderate pain.

In this study disability of the patients will be measured via Quebec back pain disability scale. The 20-item Quebec back pain Disability Scale for Back Pain was created to measure degree of functional disability in people who have low back pain. The scale is a dependable and valid measurement used to evaluate each patient's improvement during treatment or rehabilitation programmers.

In this study goniometer was used to measure the anterior pelvic tilt angle of the power loom workers. Goniometer has three parts the body, stationary arm, and the mobile arm. To check the anterior pelvic tilt angle in subjects the body of the goniometer was placed on the anterior superior iliac spine horizontally, mobile arm was moved to the posterior superior iliac spine and noted the reading displayed on the goniometer.