With these dumbbell legs and abs exercises, you’ll not only hammer your legs, abs, core, but you’ll also boost your total-body stability and strength. PART 2: The 4-Week Dumbbell Workout Plan Part 2: Arms PART 1: The 4-Week Dumbbell Workout Plan Part 1: Chest And Back Workout 3: Legs And Abs (Week 1) 1A Squat Sets 4 Reps 10 Rest 0sec Tempo 2010 How to: Stand tall holding a dumbbell …