Objective To explore methods of getting clear but without superimposition X ray projections of the lateral malleolus for avulsion fractures caused by anterior talofibular ligament (ATFL) and calcaneofibular ligament (CFL).

• 目的 探讨由前距腓韧带 (ATFL)和跟腓韧带 (CFL)所致撕脱骨折显像清楚而不重叠的X线投照方法。