半月板是一小块 C 型软骨,充当膝关节的缓冲垫。它可保护膝关节免受磨损,并帮助稳定膝关节。
股骨和胫骨之间有 2 块半月板。一块位于膝盖内(内侧),另一块位于膝盖外(外侧)。
半月板撕裂是指膝盖中的一块软骨受伤和撕裂。
膝盖半月板撕裂具有以下症状:
当膝盖承受压力并旋转或扭转而足部保持原地不动时,就会发生半月板撕裂。即使是跪下、蹲下或提举重物等简单的日常动作也可能导致半月板撕裂。
半月板撕裂是最常见的膝关节损伤之一。任何年龄段的人群都容易出现这种疾病,尤其是参与身体接触运动项目的人群。
半月板撕裂的高风险人群包括:
半月板撕裂可能会造成长期问题。撕裂的半月板在软骨上不断发生摩擦,可能导致关节表面磨损,从而引发 膝关节骨性关节炎。
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