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How the 'Man of Steel' got huge.
Challenge your core strength and build definition.
Add weight to your bench press in just six weeks.
You probably have the equipment you need lying around the house.
All you have to do to get jacked is cover the bare essentials.
Work your chest, back, and abs with this quick-hit TRX routine.
This upper-body muscle-burner is the ultimate quick-hit circuit.
Test your biceps, triceps, and core.