Chin-ups work your upper back and arm muscles, specifically the biceps, forearms, shoulders, and latissimus dorsi, or "lats." Like pull-ups, chin-ups also engage your abdominal muscles throughout ...

What Muscles Do Pull-Ups Work? The short answer—nearly of them ... says Rodonis, but with a reverse grip which puts a larger emphasis on the biceps and chest. To try it, set up a cable machine ...

Pull-ups mainly work muscles in your back (including the latissimus dorsi, rhomboids, and trapezius) as well as stabilizer muscles in your core and shoulders, all of which help you maintain ...