Melt fat and build muscle with our dumbbell blast circuit workout! You can easily make these more challenging and effective with heavier weights.
Brutal High-Volume Arm Workout. Aggressive training brings increases in muscular size, strength, and endurance. ... As the most widely used of all intensity-boosting techniques, a superset involves doing two different exercises back to back without resting. Virtually any two exercises can ... conditioning. This is an excerpt from Stronger Arms & Upper Body.