Abs Workout by The Body Coach TV 20-Minute Abs and Core Strength Exercises For Beginners by PsycheTruth 20-Minute Ab Workout for Women and Men by HASfit 20-Minute Lower Abs Workout by MadFit Core ...
The plank exercise is an old-school isometric core exercise that originated with yoga practices and has since been a standard part of mainstream bodyweight workouts. It's a top-shelf ab move that can ...