Forearm Training: How to Grow Massive Forearms Forearms are one of the most difficult muscles to grow, but having strong forearms are a must for strength training. These often neglected muscles are crucial in developing a strong upper body. The extent in
tricyclesinskirts: Henry Gray’s Anatomy of the Human Body: Posterior surface of the forearm, superficial muscles. Note how there aren’t any muscles in the fingers. Your fingers are controlled by tendons that connect to muscles in the forearm.