Amy Kwan, DPT, PT, has been a physical therapist for over 10 years. A chin-up helps build upper-body strength by engaging arm and back muscles. Chin-up variations, like band-assisted chin-ups, help ...

They’re a cool party trick, a hallmark of any action-movie training montage and a requirement for entering the armed forces. But if none of those are part of your daily life or goals, do you really ...

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