Ditch the standard situps and planks for something that will hit your core and then some. Work your chest, back, abs—and even get in some cardio—with this low-impact, quick-hitting TRX routine. It ...
Skip the Situps—This 10-Minute Workout Hits Your Abs With One Piece of Equipment originally appeared on Men's Fitness. Ditch the standard situps and planks for something that will hit your core and ...