"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." THE BACK extension, that time-tested move for building back strength, has been around the block. But here ...
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Pull-ups: The back-building exercise that transforms your upper body faster than machines
Mastering pull-ups is one of the most effective ways to build real-world strength, improve posture, and sculpt a powerful back using just your bodyweight.
Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. The upper back is an ...
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