Medically reviewed by Jennifer Steinhoff, MD Key Takeaways Arm pain can be caused by repeated movements or overuse.Signs like ...

Pain at the top of the bicep, near the shoulder, or at the bottom, near the elbow, may result from tendonitis. But pain in the middle of the bicep is likely caused by a muscle strain or bruise. Either ...

A bicep bulge is an injury that typically results from a tendon tear and is sometimes referred to as a “Popeye deformity.” When one of the tendons attached to the bicep muscle is torn, it causes the ...

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 ...

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 ...

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 ...

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 ...

Common arm workouts with overhead movements can cause pain or injury, according to trainer Cat Kom. If you feel a sharp pain or pinch in your shoulder or back, try a more joint-friendly exercise.