About Fitness Guinea Pig: On Fitness Guinea Pig, we enlist people from all walks of life, be it celebrities, comedians, actors, or your average everyday Joe, to test today's most popular workouts, weight loss programs and fitness equipment. We'll put them through the rigors of p90x, Zumba, and all of the latest trends in physical fitness. See these fitness guinea pigs in action and hear their results to decide which one is right (or not) for you!
Jenna Morasca Jenna Morasca has worked as a model, actress and television correspondent and was the winner of the reality show, Survivor: Amazon in 2003.
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