Which of the following factors is a probable cause of tennis elbow?

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Tennis elbow is caused by small tears in the tendons at their attachments that occur with overuse or trauma. This is especially common in individuals who repeatedly and forcefully extend the wrist, such as tennis players, hence the name "tennis elbow". Small fractures in the ulnar bone (A) or fractures of the proximal radius (D) may cause different types of elbow pain, but not tennis elbow specifically. Excessive use of the computer keyboard (B) may cause carpal tunnel syndrome or other repetitive strain injuries in the wrist and hand, but not typically in the elbow. A heavy fall or blow to the elbow (C) could result in a variety of injuries, including fractures, dislocations, or ligament tears, but again, not necessarily tennis elbow.

Which of the Following Factors Is a Probable Cause of Tennis