A sprain is an injury to a ligament caused by excessive stretching.
扭伤是由于过度拉伸而引起的韧带受伤。
Ferguson said: "[There is] no bone damage or serious ligament damage.
弗格森说：“鲁尼的骨头并没有断裂，韧带也没有很严重的`拉伤。
Van Persie, however, did miss five months of last season with an ankle ligament injury.
不过因为脚踝韧带撕裂，范佩西在赛季中曾缺席5个月之久。
Standing causes sudden stretching and pulling of this ligament, and this can start the pain cascade.
站立会导致突发性的韧带拉伸，这种拉伸时疼痛加剧。