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The chest and triceps split from The 21-Day Shred.
The fifth workout from The 21-Day Shred.
Mix and match these for an insane workout.
Q&A with author and fitness personality Adam Rosante.
Scientists discover new hormone with endless health potential.
A vicious workout from The 30-Second Body.
Switch the body from burning food to burning fat.
Five workout fat-burning workout finishers .