The epicondylitis medialis or known better under the name golf elbow is characterised by pain on the inside of the elbow, radiating to the lower arm. The pain is caused by an inflammation of the tendon attachment of the tendons that allow the hand and wrist bend downward and make a fist. The attachment of these tendons are located at the inner side of the elbow.
Having a Golf elbow, the pain will be felt right in the bone at the inner side of the elbow at the bottom. The pain will then occur when bending the hand. By the way, most people suffering from a golf or -tennis elbow, never played golf or tennis in their entire life
Pressing on the attachment of these bend muscles on the inner side of the elbow, hurt. Pain complaints occur for example while carrying a bag or suitcase, hitting a tennis ball by fore hand, striking a golf ball and such.
This overload can have various causes;