If the pain feels tender or worsens when you press on the area, a chest injury or pulled muscle may be the cause. Chest pain can have many causes, including angina, heartburn, infections ...

The armpit, also known as the axilla, is the hollow area under the ... or the chest muscles, the latissimus dorsi muscle, ...

An abdominal muscle strain is an injury that happens when muscles in your stomach area stretch too much or tear. You might also hear it called a pulled stomach muscle. Anyone can strain a stomach ...

A panic attack might make you hyperventilate, or breathe faster or deeper than normal, which can strain the muscles in the ...

Lower left abdominal pain can have many causes, ranging from minor to serious, says Andrew Boxer, M.D., gastroenterologist of ...

Fitness trainer Stacey Roberts demonstrates each exercise in detail to help you master proper form. Roberts' workout is ...