From your shoulders to your fingers, your arms have many moving parts: joints, bones, muscles, nerves, tendons and ligaments. Mysterious arm pain that seemingly comes out of nowhere can arise if any ...

Your latissimus dorsi (your "lats") is a broad, flat, triangle-shaped muscle that spans your middle and lower back and ...

A tingling or numbness in your left arm could be a sign of a heart attack or something less severe. Here's how to spot the warning signs.

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

I am trying to get into shape for summer, and one area that has always been challenging has been my upper arms. Recently, though, I began a workout routine, but a friend warned me about the risk of ...

Question: I am trying to get into shape for summer, and one area that has always been challenging has been my upper arms. Recently, I began a workout routine, but a friend warned me about the risk of ...

Armpit pain is a common complaint that can have many causes, from mild muscle injuries to swollen lymph nodes and severe skin infections. In most cases, armpit pain isn't a reason to worry, but it can ...

Discover the specific symptom that ER doctors warn you should never ignore, as it could signal a dangerous condition.