His arms are stunningly massive and measure 18 inches when flexed. Tuan Tran, natural bodybuilder and raw powerlifter, demonstrates in two videos how to train for huge arms. In the first video he explains several essential, very useful, and even surprising tips for better arm development.
In the second video Tuan performs barbell curls for bigger arms: 10 sets, various weights, and various numbers of repetitions.
