If you eat a poor diet, you will be unable to build muscle mass.PerformX Testo Make sure that you examine your body to determine what you can and cannot do. This will help you to identify your current capabilities and to use those to determine realistic goals. When doing this evaluation, focus on your composition and body weight.PerformX Testo Try switching the grip for your back. Use a mixed or staggered grip for doing deadlifts and rack pulls, to achieve more strength. Using a staggered grip will help twist the bar in one direction as your underhand grip moves the bar in the opposite direction.