The 4-Week Plank Challenge: Week 1
Kick off the first week of the LIVESTRONG 4-Week Plank challenge with these seven variations to strengthen and tone your core.
Read more →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.