Dreaming of a strong back and well-defined biceps, but don't have access to a pull-up bar or just want to mix up your ...

This dumbbell workout uses supersets to build strength and definition in your abs and upper body. Fancy giving it a go?

Why: The dumbbell row is a fundamental back exercise ... Lower back down to the starting position. Why: The seated cable row "is one of the best ways to learn and build all around back muscle ...