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Your ultimate cheat sheet to getting a ripped six-pack.
Build strength from the ground up with these lower-body moves.
Boost both your warmth and metabolism with this fired-up workout.
Here's how Ryan Reynolds chisels a blockbuster body.
Hit both sides of your six-pack.
Give some love to your obliques.
Crush your core on day 4 of the series.
Build a body like "The Prototype"—and set new records.