Authors Karsten Jensen My PTontheNET Content My PTontheNET Courses My Web Site Karsten Jensen, MSc Exercise Physiology, has helped world class and Olympic athletes from 27 different sports since 1993. Many of his athletes have won Olympic medals, European-, World Championships and ATP Tournaments. Karsten is the first strength coach to create a complete system of periodization, The Flexible Periodization Method - the first complete method of periodization dedicated to holistic, individualized and periodized (H.I.P) training programs.