Armpit pain from pull-ups may be due to muscle injuries in your teres major and latissimus dorsi muscles. Here’s how to ...

There are several causes of pain in the breast and armpit. Some of the most common causes include hormonal changes, an ill-fitting bra, or a muscle strain. Share on Pinterest Yauheni Rak/Getty Images ...

I have this awfully strange pain near my armpit. During my normal day, 90% of the time, it doesn't hurt. However, when I stand up and let my arm lie normally, there is an intense burning pain in a ...