David Barr, author of Massive Muscular Arms, breaks down the two best biceps exercises for building massive arms. Building strong, muscular arms takes more than hard work and dedication. It also takes a plan—one rooted in science, based on the latest research, and proven to deliver results. Massive, Muscular Arms: Scientifically Proven Strategies for Bigger Biceps, Triceps, and Forearms is that plan and so much more. Find out more: https://ecs.page.link/c2grW Visit David Barr's YouTube channel for more tips, tricks, and exciting content: null