Place the Fitball between your lower back and a wall. Position your feet flat on the floor, slightly forward. Concentrate on your posture; pull your tummy in, keep your head straight and your shoulders relaxed. With your hands on your hips, bend your knees into a squat. The Fitball will roll to your upper back. Return to your start position, rolling the ball to your lower back. Perform 3 sets of 10 reps.

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Arms-Push Ups

Stand in front of the Fitball and place your hands on the ball. Walk your feet backwards until you're on your tiptoes. Keep a straight back with arms extended on the ball and tighten those core muscles. Bend your elbows and lower yourself within a few inches of touching the ball with your chest. Raise back to straight arms. Perform 3 sets of 10 Fitball push-ups.