Place your feet on the top of the ball by sliding yourself forwards and reaching out in front so that you are in the press-up position.

Hold the ball against the wall using the small of your back, support your body weight on one leg and squat down gently.

Lie face down on a ball with your hands touching the floor and your legs outstretched.

Get into a press-up position with your feet on top of the ball, shoulders locked and arms slightly bent.

Lie on the ball with your shoulders and head supported. Move your arms into an outstretched position and, resisting the urge to rotate, sway out as far as you can to the side without losing your balance.

Lie on the ball with your shoulders and head supported. Throw your elbow back and the opposite arm up toward the ceiling, lifting your body from the ball.

Lie on a gym ball. Holding a dumbbell across your chest, go back as far as is comfortable.

Place your elbow on the ball and lie across the ball in a split stance.