Chase, Jennifer

Martin Koban is a personal trainer from Berlin, Germany. Martin began his research into knee pain and the requirements for healthy knees in 2009, after his brother suffered a meniscus tear during volleyball training. In the years that followed, Martin passionately studied the subject to learn how knee injuries can be prevented and how you can eliminate knee pain by fixing its underlying causes. Martin has since shared this approach through a self-help website that has helped over 800,000 people from around the world and he published two books on this subject, "Total Knee Health" and "Beating P...