BusinessWeek - Olivia Newton-John was on to something when she crooned, "Let me hear your body talk," in her 1981 gym anthem Let's Get Physical. Exercising is more than just a leisure activity; your gym behavior says a lot about you. Take the alpha fitness freaks who crunch their way to six-pack abs at ungodly morning hours. "They may be doing this to keep their minds sharp for the day," says body-language specialist Joe Navarro, author of What Every Body Is Saying. "They are very well-regulated individuals who are dedicated to themselves."
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