There was a time when hotels would put a treadmill, a stationary bike and a water cooler in a room, and call it a gym. But more and more hotels have upgraded their fitness accommodations in the past decade to keep up with the demand of guests. This change is among the fitness movements with momentum heading into 2014. So is a clever twist on CrossFit that a group in Arizona has pioneered. It might be best described as Fight Club Meets Functional Fitness.

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