This workout is ammo for those incredible arm muscles you're looking for. It consists of a warm-up and then the workout. Be sure to stretch on your own once you're done. Grab some mid-size dumbbells and a stability ball or bench and let's load those arms!
We love these adjustable dumbbells from Rep Fitness. They take up very little space and are also very durable compared to other adjustable dumbbells on the market.