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With the right plan and the right discipline, you can get seriously shredded in just 28 days.
Talented stars, killer physiques.
At age 62, "Big Bill" shares his wisdom to dominate one of the ultimate strength marks.
Follow these fit women we're crushing on for inspiration, workout ideas, and motivation.
Are you tough enough for today's workout of 50 double-unders, 12 kettlebell swings and 12 pull-ups?
This may be the hardest 10 minutes of your life! As many rounds as possible of 10 sumo deadlift high-pulls and 15 burpee...
You still keeping up with us? Watch as Joe, Nick and Lauren blast through Day 4's brutal workout, which consists of five...
We wrap up the week with a killer workout! Box jumps, toes-to-bar and wall balls for descending rounds of 18, 15, 12, ni...
Your prize will be having that body that others covet
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Join the Muscle & Fitness Jacked-in-a-Box program and get all the supplements you need to get jacked.
"It rips you apart," says one convert
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