Melt Fat, Build Muscle: Dumbbell Blast Circuit Workout: Add some dumbbells to your fitness routine and build some metabolism-boosting muscle while toning your entire body.

Melt Fat, Build Muscle: Dumbbell Blast Circuit Workout: Add some dumbbells to your fitness routine and build some metabolism-boosting muscle while toning your entire body.
at home arm, back, chest:\u00a0my visual workout created at http://WorkoutLabs.com \u2022 Click through to customize ...