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什么是慢性腰部劳损?-病理原因
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云南(中德)骨科医院 > 脊柱科 > 腰肌劳损 > 病理原因 > 什么是慢性腰部劳损?

什么是慢性腰部劳损?

阅读:1872次 来源:未知 咨询专家
导读: 一部分患者是由于急性腰部扭伤,未经及时与合理的治疗,而形成慢性创伤性瘢痕及粘连形成,腰肌力坻减弱发生疼痛。另一部分患者可来自长期积累性创伤,大多数患者与职业性体位有一定关系。 》》》有什么办法可以避免出现慢性腰部劳损? 例如长期坐位工作,经

一部分患者是由于急性腰部扭伤,未经及时与合理的治疗,而形成慢性创伤性瘢痕及粘连形成,腰肌力坻减弱发生疼痛。另一部分患者可来自长期积累性创伤,大多数患者与职业性体位有一定关系。》》》有什么办法可以避免出现慢性腰部劳损?

例如长期坐位工作,经常处于非生理位置下操作的修理工,固定性姿势工作者(如钟表工、打字员)及弯腰工作者。如果不注意合理操作,日久容易形成潜在的、积累性损伤。

由于腰部肌力失调,形成疼痛和保护性肌痉挛,而发生一系列病理变化。例如肌肉软弱不能维持正常腰部功能位置,使深部韧带受到牵扯。肌肉中末梢神经和血管受到挤压,循环不足,代谢产物积聚与炎性物质产生,再形成新的痛点,甚至导致肌肉萎缩、挛缩,退行性变、粘连和组织纤维化。一侧韧带和软组织缩短和另侧松弛,平衡失调,疼痛扩散,自主神经系统紊乱,牵扯上、下肢也 发生一系列代偿症状。

因此“肌肉失调”、“肌肉痉 挛”和“肌肉挛缩”是形成慢性软组织腰痛的三联病理反应,若不及时纠正,不良刺激始终贯穿在病程之中,旧的创伤和新的损伤交杂在一起,使症状更加复杂。这种新的损伤还多见于来自过多的弯腰。若屈膝伸腰位,提10kg重量,背伸肌要相当于141kg的力挝即可提起;若伸膝弯腰位,则提起时要增至256kg左右。若上肢伸向前方,则要相当363kg的力量方可提起。此时作用力主要集中在下腰部,再向下传导,因此,腰骶部周围肌肉、筋膜和韧带逍受外力作用机会多,劳损机会也多。

温馨提醒:云南中德骨科医院是云南省全力专业的三级骨科专科医院,医院拥有大批经验丰富的骨科专家,并且为了患者方便咨询,现已开通网上就医渠道,如果你想了解更多关于劳损性腰痛方面的相关事宜可以直接拨打云南中德骨科医院的免费咨询热线:0871-65311120,也可以咨询在线医生,患者在家中就可以进行疾病的咨询、预约就诊(免费),预约来院不需要再排队挂号,方便就诊。

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