question: Q:A 40-year-old man comes to his doctor because of 2 weeks of progressively worsening pain on the outer side of his right elbow. He does not recall any trauma to the area. The patient plays tennis recreationally and has recently gone from playing weekly to playing daily in preparation for a local tournament. He has had some pain relief with ibuprofen. On physical examination, there is tenderness over the lateral surface of the right distal humerus. The pain is reproduced by supinating the forearm against resistance. Which of the following is the most likely underlying cause of this patient's condition?? 
  {'A': 'Nerve compression at the elbow', 'B': 'Bursal inflammation', 'C': 'Repeated wrist flexion', 'D': 'Excessive stress to bone', 'E': 'Repeated wrist extension'},