David Groscup is a specialist in HIT, high-intensity bodybuilding training methods. He began training with weights when he was 13 years old and has been interested in the world of weight training, ...view moreDavid Groscup is a specialist in HIT, high-intensity bodybuilding training methods. He began training with weights when he was 13 years old and has been interested in the world of weight training, bodybuilding, powerlifting, Olympic lifting, and strongman ever since.After years of training with weights, he discovered HIT, or high-intensity training, and realized this was the type of training he was interested in using for his training and later became certified through the IART and Med-Ex as a HIT training specialist. Many of the unique techniques in his books, such as Rolling Static Partials, have been personally developed by him.view less