The physician should ensure that the pain is not emanating from elsewhere, such as the quadriceps tendon, patellar ligament, pes anserinus bursa, lumbar spine, or hip.

• 医师应该确定这种痛并不是来源其他地方，比如四头肌腱，膝盖韧带，鹅足囊，腰椎或者臀部。