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中医伤科按摩学→腕手部损伤

桡骨茎突部狭窄性腱鞘炎

Location of cavities

Effects of Governance

腕手部损伤|推拿|伤筋|按摩治疗

Cave details

桡骨茎突部狭窄性腱鞘炎，又称拇短伸肌和拇长展肌狭窄性腱鞘炎。拇短伸肌和拇长展肌起于前臂骨间膜和桡骨干，通过桡骨茎突旁的浅沟，拇短伸肌止于拇指近节指骨茎低部，拇长展肌止于第一掌骨基底部。桡骨下端茎突部的腱沟内不平滑，沟的浅面有腕背侧韧带覆盖，形成骨性纤维管。拇短伸肌和拇长展肌同一个腱鞘，长约７到８厘米。腱鞘分内外两层，内层与肌腱紧密粘附，外层通过滑液腔与内层分开，在两端内外两层相互移行，构成封闭的腔隙，内外两层之间有滑液，以防止或减少肌腱活动时的摩擦。腱鞘有保护肌腱，免受骨骼和其它组织的摩擦及压...