There are four muscles that form a cover for the top of the humerus (bone of the upper arm ... it causes sharp pain in the ...

Left arm pain can come on suddenly or be felt for a long time. Anytime someone has left arm pain and is experiencing other heart attack symptoms, they should call 911. The pain may also be from an ...

and arm movements. Injuries to these muscles can cause upper back pain. The feeling can be a dull ache or a sharp pain. Exercise may increase the risk of muscle strain or tear. This is ...

People can experience pain under the ribs in the upper left abdomen for many reasons. Some possible causes include gastrointestinal issues and injuries to organs within the area. The rib cage ...