Which manifests itself in pain in the origin of the common tendon of the forearm extensors on the lateral side of the elbow joint.
The occurrence of this illness is caused by the laceration, bleeding, adhesion or aseptic inflammatory change in the general tendon of the extensor muscle at the origin of the external epicondyle of the humerus due to chronic strain, mostly occurs of adult above 30~50 years old.
It manifests itself in pain in the lateral side of the elbow which can radiated to the shoulder and wrist.
The affected arm feels sore and weak, sometimes severe and sometimes attenuated.
There is distinct tenderness in the region of the external epicondyle of the humerus.
The pain can be aggravated by rotation of the forearm against resistance and the flexion of the wrist.
In the case of long duration of the illness, X-ray film can show
osteosclerosis in the region of the external epicondyle of the humerus,
or calcified spots of low density surrounding the area.