Sean Sherk Trains for Tyson Griffin UFC 90
If you’ve ever wondered where Sean Sherk gets his endless gas tank, check out the agony he puts himself through at Minnesota’s Athletic Performance Inc. Their infamous “Caveman Training” sessions push cardio and muscle endurance to the absolute limit, incorporating everything from steeply-inclined treadmill-running to what looks like double-dutch rope-swinging, which I guess isn’t just for little girls and fairies anymore. Even the insanely conditioned Muscle Shark is sucking air and checking his watch before long. Sherk returns to action at UFC 90 (October 25th, Chicago) against Tyson Griffin, who has gone to a decision in his last five fights — which shouldn’t be a problem for Sean.
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