Instructions: Lie on your back with knees bent. Tighten the muscles in your stomach and squeeze your buttocks together, pushing your lower back into the floor. Hold to the count of 10. Do this exercise up to 10 times.
Objective: To strengthen the lower abdominal muscles and to increase low back mobility.
Caution: Do not lift the hips up while performing the exercise. If this movement causes pain below the knee, stop the exercise.