before trying out the exercise on the other leg. you can do this for about 10 minutes for each leg before you switch to the other leg. alternate this exercise on each leg for about 25 minutes before going further to try out some other exercises.
you can also use swiss ball to do various types of exercises for lower back pains. for instance, you could place the swiss ball on the floor and you lie on it by placing your stomach on it and stretching out straight. then try to move yourself forward and backward on the swiss ball for some minutes. you can also place the ball behind your 