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 ...

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 ...

Tingling in your left arm can have several causes, some more serious than others. Here are seven possible explanations and ...

Heart disease has been the leading cause of death in the U.S. for the past 100 years, according to the American Heart Association. Despite how common it is, there are many questions floating around ...

That nagging pain creeping from your shoulder down toward your elbow can feel baffling, but it’s more common than you think, and often the problem isn’t where the pain shows up. Physicians recognize ...

Brachial palsy is a weakness or paralysis of the arm due to brachial plexus injury. The brachial plexus is a network of nerves near your neck that connect your spinal cord to your arms. These nerves ...

Pain in the triceps most often occurs due to triceps tendonitis. Other possible causes include triceps tears and snapping triceps syndrome. Treatments can depend on the cause. The triceps muscle is ...

Carpal tunnel syndrome (CTS) can cause shoulder pain, although it is not one of the typical symptoms. In some cases, people may have shoulder pain without any wrist pain. If CTS is the cause, then ...

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 ...