Your armpit, also known as the axilla, contains a large collection of lymph nodes, hair follicles, and sweat glands. A number of things can cause pain in the hollow created by your chest wall, muscles ...

Laura Isom, 58, initially thought she had pulled a muscle or tendon when her left hand wasn't working properly and a lump ...

I’ve been going to the gym for about 25 years and I’m pleased to see that since the turn of the millennium, much has changed ...