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8 unexpected fitness fads

Heel hop

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Stiletto calisthenics

There are a handful of exercise classes in which you will not be required to switch into gym shoes, if you’re wearing 4-inch heels, that is. Stiletto Workout in New York and Heel Hop in Los Angeles, for example, are all about pumping it up in your pumps. Designed to “unleash confidence” and “put the spice back in your life,” they also aim to improve cardiovascular strength and muscle tone.