Build the biggest arms you genetically can with this ultimate guide to building massive arms! Read to learn more about arm-specific exercise selection: https://muscle.ms/Ultra-Arms

Build the biggest arms you genetically can with this ultimate guide to building massive arms! Read to learn more about arm-specific exercise selection: https://muscle.ms/Ultra-Arms 

Source: https://twitter.com/Muscle_Strength/status/1042143182664941571