Lugo, a charming conman who had served prison time for defrauding seniors, was the gym's manager.

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The users should generate enough electricity to power the gym's music system or run personal DVD players on the machines, the gym's manager Adam Boesel predicts.

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Gravity takes over when you perform most exercises, like a dumbbell curl or a kettle bell swing, giving the body a chance to relax, says Rowdy Yates, a certified personal trainer and fitness manager at Crunch gym in New York City.

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They include a Liberty Township gym owner, a champion Cincinnati bodybuilder, a manager at LA Fitness in West Chester Township and an exotic dancer from Middletown.

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He had just left an appointment at a gym in Brookline, which was cut short after the manager came and told them he had to close because of the manhunt.

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