You can't just knock out twelve reps of dumbbell bicep curls with a five - pound weight while you check your email with your free hand. (inc.com)
Barbell Military Press Body Weight Dips Diamond Push - ups Dumbbell Biceps Curls Dumbbell Triceps Extension (fitnessandpower.com)
Performing dumbbell biceps curls, triceps extensions, and reverse wrist curls at very low weight and very high reps would be a good process to follow. (exercisegoals.com)