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> 中医 > 推拿 > 推拿其他

中医伤科按摩学→关节脱位

掌指关节脱位

Location of cavities

Effects of Governance

关节脱位|推拿|整复手法|按摩治疗

Cave details

掌指关节脱位，以向掌侧移位者为最多，以第１和第２掌指关节脱位最常见。每只手有五块掌骨，每块掌骨由底、体、头三部分组成。第１掌骨底的鞍状关节面与大多角骨之间形成鞍状关节，称为拇指腕掌关节，可使拇指作对掌活动；每一掌骨头与近指骨底构成掌指关节。另外，在第１、第２掌指关节的掌面常有一些零星的小籽骨，且勿认为是骨折片的移位。掌指关节脱位，多为伸暴力造成，常在跌倒、碰撞时引起掌指关节极度背伸，掌指关节囊撕裂，掌骨头穿过关节囊的破口，经屈肌肌腱的一侧滑向掌侧皮下，指骨基底移位于掌骨头背侧。如关节囊裂口较...