<prompt> A cricketer holds a catch and then presents with pain at the base of the right thumb. He should be examined to specifically rule out damage to which of the following structure :Extensor pollicis brevisAbductor pollicis longusVolar plateUlnar collateral ligament  <response>: This is a case of skiers thumb i.e. acute injury to ulnar collateral ligament which occurs when there is abrupt abduction of the thumb. Injury is common in ball handling athletes.Patient presents with pain, tenderness and swelling at the base of thumb. 