If you are concerned about the accumulated fat around your waist and stomach and want to tighten your muscle these exercises are an excellent solution.
If you want flat abs, do this workout. This is a workout that is made up of five exercises. It’s designed by New York City-based fitness trainer Chelsea
Why planks? Each move shifts your center of gravity and forces your abdominals, arms, back, and glutes to stabilize your body. Denver-based trainer Stacey Lei Krauss, the creator