Thousands of Americans joining Crossfit, MMA and other such extreme sports to test their physical endurance and stamina. However, muscle can be great for much more than simply athletic events, as strong muscles lead to a decreased risk of injury, better heart health and even improved mental functions. Here are three ways to build muscle today: 1) Increase Calories This seems counterintuitive, but if you’re trying to build muscle, you need fuel. Now, this ...