Authors Greg Roskopf My PTontheNET Content My Web Site International acclaimed developer of Muscle Activation Techniques (MAT) whose concepts are utilized worldwide for rehab and performance. Greg works with numerous professional athletes and sports teams including the Denver Broncos and Nuggets. Greg Roskopf has devoted his career to the study of the “cause and effect” of the muscular system and how it relates to pain. As the author of the Roskopf Principle and the founder of Muscle Activation Techniques he not only developed the MAT™ program but also created a curriculum for this technique that has been taught to students all across the globe. Muscle Activation Techniques fills the gap between the medical and the exercise fields. Greg has over two decades of experience applying MAT™ to his clients and developing students into competent and respected practitioners. Greg has worked as a consultant for various professional sports teams including: the Denver Broncos, the Utah Jazz, and the Denver Nuggets. Beyond this, Greg works with clients at all physical capability levels who are looking to address challenges they experience due to injury, stress, or trauma to their muscular system.