8 Proven Principles of Exercise Intensity You’ll Find in The STS and XTrain Workout Programs
There are virtually unlimited ways to incorporate exercise intensity into your workout. Here are eight of the most proven principles any athlete can use to promote growth. These principles are used in many of my workout programs like STS and Xtrain. Principles for increasing intensity are especially useful for power lifters and bodybuilders, but they translate easily to the aspects of other sports.