If you are like most guys you want bigger arms. Try this simple change in technique. When you do arm curls. Extend your wrists backwards slightly, and hold them like that. This small change of movement will make your biceps work harder which in turn will help build bigger muscles.
Individuals who have a hard time adding mass are known as hardgainers. They have high metabolisms and often try for years to gain weight without success. Although most put forth a lot of effort to gain weight many hardgainers make at least one mistake that stops then from being able to add mass. Here are some of the more common mistakes: