A patient with lateral elbow pain worsened by wrist extension and gripping prompts ART assessment primarily of which structure?
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A
Pronator teres and flexor carpi radialis origin
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B
Common extensor tendon origin with emphasis on the extensor carpi radialis brevis
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C
Distal biceps brachii tendon at the radial tuberosity
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D
Anconeus and supinator muscle belly