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VO2 max, a.k.a. maximum oxygen uptake, the point where an athlete's oxygen consumption plateau's even if exercise intensity increases, is measured as milliliters of oxygen used in one minute per kilogram of body weight. VO2 max measures the maximum amount of oxygen an athlete utilizes to produce adenosine triphosphate during intense or maximal exercise. VO2 max is caluclated in a laborotory where the athlete's blood pressure and heart rate are measured while the athlete exercises intensely on an endurance exercising machine, example: treadmill
vVO2 max, is the minimal velocity needed to reach maximum oxygen uptake and is measured as vVO2 max = VO2 max / 3.5.
TlimvVO2 max is the maximum amount of time an athlete can run at vVO2 max, which is about 6 minutes, inspiring the training described below.
Rolling rest interval training prescribes the amount of distance covered during running and resting periods while working out using interval running.
Veronique Billat, a French physiology professor, during the late 1990s, designed rolling rest interval training workouts where the running and rest periods were each based on fractions of the distance an athlete ran in 6 minutes (360 seconds).
The running and rest periods for the below described workouts are for a distance of 7200 feet run in 6 minutes. In practice, in the first two below described workouts, I have actually trained slow fast so the athlete performing the workout finishes fast.
The following calculator helps with calculations needed to perform Billat's intervals.