Abs Workout: Get Six-Pack Abs and Lose Belly Fat Fast

Achieving washboard abs and losing belly fat involves a combination of high-intensity cardio and core-specific challenges like the 4-week plank. Discover why crunches alone won't give you a flat stomach and how to safely target the lower abs.

Elise Joan demonstrates how to do a forearm plank.

The 4-Week Plank Challenge

Join LIVESTRONG's 4-week Plank Challenge to get flat abs in time for summer. We'll show you how you can work toward a stronger, healthier and sexier you without any equipment!

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