The Best Way To Strengthen Your Core, From Simone De La Rue (VIDEO)

04/29/2013 10:34 am ET | Updated Aug 13, 2013

If you want a stronger core, celebrity fitness trainer Simone De La Rue shared her favorite exercise when she came by Mondays With Marlo. To strengthen your midsection muscles, nothing beats the plank. Hold the position for as long as you can -- and then do three sets of them.

Watch the full interview here or check out Simone's home workouts.

For more advice on looking and feeling fit, see Simone's fantastic tips:

Simone De La Rue's Fitness Tips

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