Pull-ups are one of those exercises that leave you feeling like a total badass once you've mastered them. They're also one of those exercises that will leave your upper body feeling extremely sore, but in a good way. When done correctly and consistently, they'll improve your upper-body strength as they work your latissimus dorsi, the long head of your triceps, and your pectoralis major.
If you're reading this and saying to yourself, "That's great, but I can't do a pull-up," stop right there. If you're a beginner, or you just want to be able to do more pull-ups without stopping, we'Read More – Source