Pullups work your abs too!

An unexpected benefit of pullups for beginners is how well they can work your abs.

When I first set up my doorway pullup bar, I was anticipating more of an upper body workout. I've been on the bar a few times, and was surprised to see that most of the impact that I am feeling is in my abdominal muscles.

Avoid kipping and keep good form, and you will find that doing pullups will be a great workout for your core, as well as your upper body and back.