Try these core-concentrated workouts from "30 6 Pack Abs", an ab-targeted, new 30-day workout system designed exclusively for BeFit by a leading expert in fitness. Led by trainers Scott Herman and Sarah Fit, this progressively intense mix of cardio and strength training will sculpt ripped abs, strengthen your core and lower back, tighten the obliques, and tone your entire body in just 30 days. Effective cardio drills will help you burn fat while abdominal-defining strength training moves build lean muscle to help you get the best midsection of your life.