To get big forearms, perform dumbbell exercises and increase the amount of weight as the muscles develop. Get big forearms with tips from a fitness specialist in this free video on toning and building muscle.
Expert: Bob Mathews
Bio: Bob Mathews is the owner of Perfect Body System and has been in Phoenix, Arizona for the last 15 years. He's trained with Barry Goldwater and other devoted clients over the years.
Filmmaker: Dustin Daniels