We've mentioned Methode Naturelle before in connection with Erwan Le Corre . Wikipedia describes this Natural Methode as A (Natural Method) session is composed of exercises belonging to the ten fundamental groups: walking, running, jumping, quadrupedal movement, climbing, equilibrium (balancing), throwing, lifting, defending and swimming. A training session consists, then, of exercises in an outdoor environment - a course of greater or lesser distance (a few hundred meters to several kilometers), during which, one walks, one runs, one jumps, one progresses quadrupedally, one climbs, one walks in unstable balance, one raises and one carries, one throws, one fights and one swims. Erwan, in his MovNat philosophy , has taken this basic approach and developed it, adding some of his own ideas. The American Parkour site has just posted a fascinating document. Pilou, a Primal Fitness and DC local who grew up in France has found, translated, then made available for us, Georges Herbert...