How To Do A Bicycle Crunch

819 views · Published 12 July 2012 · 1:01 · Indexed 12 November 2026

Channel: Ben Greenfield Life · 2012 · Sports

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Ben Greenfield shows you how to do a bicycle crunch. Get faster results and free workouts from Ben on a  Pear Biofeedback device at http://tinyurl.com/pearsport

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