Lauren Learns the Rules of Roller Derby

Go behind-the-scenes of Woman v. Workout as model Lauren Berlingeri gets a lesson in the physical, fast-paced world of roller derby from the Rocky Mountain Rollergirls.
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Join fitness model Lauren Berlingeri as she takes on a crazy new challenge each week. Whether training with the FDNY, tossing axes with STIHL Timbersports legends, or bounding through parkour routines, our fearless host manages to land on her feet with a smile (well, most of the time!).
Subscribe to see a new episode of Woman v. Workout every Wednesday!

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roller derby is the oldest sport in america? source please