WATCH: How To Get Great Abs--And It's Not Just Sit-Ups! From Terri Walsh

10/10/2012 03:25 pm ET | Updated Aug 20, 2013

Ever wonder how some women at the gym have fabulously flat stomachs? Well, when celebrity fitness trainer and lifestyle expert Terri Walsh joined me on Mondays with Marlo, I just had to ask her if she had any advice on how you could achieve those same results. According to Terri, you must do cardio before your sit-up routine and change your diet to get those abs you've always wanted.

For more tips on getting fit and staying in shape, see Terri Walsh's tips for fitness and beauty:

Terri Walsh's Tips For Fitness and Beauty

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