Get seriously shredded in the shortest time possible with 21 Day Fix EXTREME, created by Autumn Calabrese. This breakthrough 21-day fitness and nutrition program combines simple portion control, clean eating, and extreme 30-minute workouts to deliver a body that is hard, lean, and defined.

Autumn Calabrese

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An explosive lower-body workout that uses jumping and resistance to torch calories and sculpt muscles.
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An explosive lower-body workout that uses jumping and resistance to torch calories and sculpt muscles.