Short on equipment? No worries! This dumbbell only workout can be used at home or in the gym for building muscle mass. You can also use this as a muscle shock workout to mix things up.

Short on equipment? No worries! This dumbbell only workout can be used at home or in the gym for building muscle mass. You can also use this as a muscle shock workout to mix things up.

Original article and pictures take https://muscleandstrength.com site