Under extreme conditions, the human body is pushed to its limits. In order to better define the physiological mechanisms involved, researchers followed athletes during a very special competition: the Tor des Géants.
Running is a basic activity, right? Even swimming is a sport where the coach will stand along side you and demonstrate correct arm movement, position of the body, use of the legs, and so on. But running, that's inherent, we JUST DO IT (sorry, Phil and the Nike gang). Right?