Here's what you need to know about pull-ups, including how they're done and which muscles they work. You'll also find everything you need to know about variations to use if you can’t yet do one.

Pull-up muscles worked “Pull-ups mainly target your back muscles, with the latissimus dorsi 10 (aka “lats”) doing most of the heavy lifting,” Orsborn says.

You can do pull-ups daily, but only if your technique is rock-solid and your volume is smartly programmed. The answer will largely come down to your body's ability to recover in 24 hours. Think of ...

Here's why you should add this full-body move to your next workout. Plus, alternatives to try if you're not quite there yet.