Want a flat tummy? This bench exercise will tone up your abs in record time.

Tuck and drive - Ab workout - IMAGE- Women's Health and Fitness magazine

How to

1. Lie on a flat bench with your legs off the end.

2. Place your hands at the back of your flat bench and grip tightly.

3. Bend your knees and pull your upper thighs into your midsection as you breathe out. This will be your starting position

4. Extend your legs directly above you so that they are perpendicular to the ground. Keep your core switched on tight.

5. Lower yourself back down into starting position (knees into chest).

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Words and workout by Melissa Le Man, images by Noel Daganta