Motivation to do anything, including to stay fit, comes in many forms. You can be motivated by fear, excitement, defiance, love, or even hate.
Motivation can be internal, external, or both.
What it is, how it works, why to do it...
The Tabata Method of training began taking form in the early 1990s, when Dr. Izumi Tabata conducted study on exercise intensity with the National Institute of Fitness and Sports in Tokyo. Prior to this breakthrough, Dr. Tabata had tried numerous sprinting-type protocols to determine which training program would optimize the ATP synthesis; i.e. the key molecule for energy production.