If you’re doing standing free-weight exercises like squats, deadlifts, and overhead presses, your abs are probably getting a lot of training already.
But if you still can’t see them, implement this 30-minute plan on your off days. Over the course of a month, you’ll vary the exercises and intensity each week so that you build functional core strength, endurance, and power—as well as carved-out abs. Each workout consists of only three moves.