For fitness-minded folks, muscle testing can sound pretty intriguing. But it turns out that it has little to do with fitness...or even muscles. On a basic level, muscle testing looks at a muscle and ...

Tennis elbow, or lateral epicondylitis, develops when the forearm muscles that connect to the outside of your elbow become irritated. This can cause pain and tenderness that’s usually located on the ...

The elbow is a relatively small joint, but it is a very common area in everyday life. Opening a door, holding things, using a smartphone, or eating are all related to elbow movement. Because of this, ...