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Jack up and build mental toughness like Mac Danzig with our UFC-inspired dumbbell workouts.
Sculpt Your Summer Body
Get in shape for summer and the rest of your life.
Forget that version of the situp you performed in grade school
Dispelling myths of that four-letter word: "core"
In the battle for the coveted 6-pack, add this highly effective abdominal move to your arsenal.