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FFD Workout: The Underground Workout!

by Sean Croxton & Brett Klika

I know! I’m a day behind with this one. My Friday was tied up with moving into a new apartment. Love my new place!

Today’s (or yesterday’s) Friday Fun Day is a lesson in isometric creativity, as Brett Klika, author of The Underground Workout Manual, challenges my core, balance, and toughness.

Be sure to do this one with a friend. Doing it by yourself would be, well, interesting…


Sean Croxton
Author, The Dark Side of Fat Loss



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