This month's cover star is our very own resident PT and trainer on The Biggest Loser: Transformed, Libby Babet! Watch the video above for her epic tabata circuit - one of the exact workouts she gav

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This month’s cover star is our very own resident PT and trainer on The Biggest Loser: Transformed, Libby Babet!

Watch the video above for her epic tabata circuit – one of the exact workouts she gave her TBL:T contestants as homework on the show, and also featured in our May issue of Women’s Fitness.

This sesh requires zero equipment, so head outdoors and get started!

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