Once upon a time it was aerobics instructor (doesn't that still conjure up images of leg warmers and tights?), then it was group fitness instructor now many of the people leading workouts are calling themselves coaches; which begs the question, what exactly do you call the person (or people) responsible for making you sweat? On this Quick Fit Tip it's a brief (very brief) review of the history of fitness along with some thoughts on what to call the folks you love to hate while you're working out. Do you wa

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