Tendons are attached to this area which can be wounded, creating inflammation or tendinitis (lateral epicondylitis, or "tennis elbow"). The internal portion of the elbow is a bony prominence called the medial epicondyle. In case the pain occurs when bending the wrist, the individual may want to wear a brace. https://www.theorthopaedicandpainpractice.com/service/elbow-pain/