Biceps tendonitis is an inflammation or irritation of the upper biceps tendon. The upper biceps tendon is also called the long head of the biceps tendon. This strong, cord-like structure connects the ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The medical condition known as acute compartment syndrome (ACS) doesn't sound especially dramatic ...

Bicep pain is felt in the front part of the upper arm and can range from mild discomfort to severe pain. It can result from everyday activities, such as lifting heavy objects or overusing muscles, or ...

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 ...