The 20-Minute Cardio Workout That Is All About Those Abs
This circuit features four double-duty moves—they raise your heart rate and they help strengthen your abs. Check and check. “This is a difficult circuit,” explains Jill Penfold, certified personal trainer and creator of the 12-week LA Bride Body program. “Begin at a level that you are comfortable with, but be prepared to get uncomfortable. It’s about pushing your […]