This article was made possible through the generous support of our voluntary subscribers. If you want more coverage like this, please support FasterSkier with a voluntary subscription. For much of the last 30 years, the late Dr Jim Stray-Gundersen and I have been studying how we quantify training load. In the mid-90s, we met Dr. Erik Bannister at the American College of Sports Medicine (ACSM) Conference in Orlando, Florida. Dr Bannister developed the Training Impulse...