This exercise use a Stability Ball instead of a bench. The Stability Ball conforms better to your body and allows for correct anatomical range of movement.

Muscle group: Abdominal

Steps

Lie one side of your torso, waist and hip against a Stability Ball, positions your feet on the floor (or against a wall) for support.

With one hand hold a weight against the side of your head.

Place your free hand across your chest to steady yourself.

Raise your torso up off the ball by flexing your waist.

With controlled movements lower yourself back onto the ball.

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