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“下肢奇冷”与软组织损害病理分析学习笔记

  • 2026-05-10 14:31:24
“下肢奇冷”与软组织损害病理分析学习笔记

下肢奇冷感属于本体感觉异常,尤其是颈交感链的星状神经节和腹腔交感神经节功能异常时,会出现下肢温度感觉异常。当相应阶段的交感神经节受到牵拉刺激时,其所感知的相应区域会表现为寒冷感,即使穿厚的御寒衣物也不能解决寒冷的感觉,因为这种寒冷是从组织深层表现出来的。

交感神经链位于脊柱侧前方的椎体两侧,由结缔组织连接于邻近椎体。当椎体前凸形成的脊柱曲度加大时,对于前外侧毗邻的交感神经链产生牵拉作用。牵拉造成交感神经节兴奋性增高时,即出现相应感知阶段的凉冷感觉。严重患者即使双腿骑坐在电暖气上也不能减轻这种感觉,只有不断地进行下肢运动,才能通过意识支配下的神经系统代偿自主神经系统的异常。

一、星状神经节受累

星状神经节为颈下神经节与胸1神经节会合形成的多角形神经节,一般位于C7与T1之间。当颈胸段脊柱前凸程度加大时,星状神经节受到牵拉。一般情况下,颈胸段脊柱呈平直状态,出现前凸曲度多为颈部深层软组织损害后颈脊柱段变直的代偿表现。

颈部深层软组织损害,刺激游离神经末梢,引起颈脊柱段变直、头前移、低头。需要仰头并增加变直脊柱两侧的脊柱曲度来纠正头部的重心位置。头颈前间隙的增宽,牵拉颈上神经节;颈胸前夹角的加大,牵拉星状神经节。

颈部深层的软组织损害可为局部原发,也可因冈下三肌损害造成的上斜方肌紧张、肩胛提肌紧张导致颈部深层压力增加而继发,还可因腰骶后部软组织损害引起的脊柱矢状面调节而继发。

二、腰交感神经节受累

腰交感神经节的牵拉源于腰脊柱曲度的加大及前凸的椎间盘引起的椎体间钙化物刺激,尤其腰骶角的加大是下肢冷感出现的重要因素。

腰脊柱段曲度加大或腰骶角加大的主要原因是竖脊肌缩短。腰骶后部软组织的原发性损害或屈髋作用的内收肌损害造成的竖脊肌继发性紧张,都会使竖脊肌缩短,竖脊肌缩短牵拉腰脊柱段,使腰脊柱段曲度加大。

臀部软组织损害引起骨盆的空间位置改变,骨盆空间位置改变直接影响躯干重心位置,需要竖脊肌做功纠正,出现竖脊肌持续性紧张。内收肌对骨盆前旋转的影响,导致竖脊肌持续性紧张。

内收肌损害也可继发于跗骨窦软组织损害。跗骨窦损害的疼痛通过引起距骨后移、内旋,小腿随之内旋前倾,股骨内旋拉紧内收肌,造成内收肌持续紧张而出现损害。

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友情提醒:以上内容为学习笔记分享,📝不够完善,因个体差异较大,不构成医疗意见,仅供参考学习,欢迎大家指正🤝

文字|肌骨力学笔记

图片|来源网络,如有侵权请联系删除🙏

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  135. /yingpanguazai/ssd/ssd1/www/no.67808.cn/vendor/topthink/framework/src/think/contract/TemplateHandlerInterface.php ( 1.60 KB )
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  1. CONNECT:[ UseTime:0.000543s ] mysql:host=127.0.0.1;port=3306;dbname=no_67808;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000863s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000376s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000340s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000679s ]
  6. SELECT * FROM `set` [ RunTime:0.000266s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000641s ]
  8. SELECT * FROM `article` WHERE `id` = 487442 LIMIT 1 [ RunTime:0.000487s ]
  9. UPDATE `article` SET `lasttime` = 1778425173 WHERE `id` = 487442 [ RunTime:0.006013s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000324s ]
  11. SELECT * FROM `article` WHERE `id` < 487442 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000503s ]
  12. SELECT * FROM `article` WHERE `id` > 487442 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.002297s ]
  13. SELECT * FROM `article` WHERE `id` < 487442 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001020s ]
  14. SELECT * FROM `article` WHERE `id` < 487442 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000802s ]
  15. SELECT * FROM `article` WHERE `id` < 487442 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001127s ]
0.088607s