延陵四日行(附录漫谈中药保健(208))
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,而髓核组织在外力压迫下从破口处突出,刺激到纤维和后纵韧带时会产生疼痛。</P>
【疼痛特点】:腰痛的发生几率高达91%,主要是从下腰部向臀部、大腿后方、小腿外侧直到足部的放射痛;在咳嗽、打喷嚏等腹压突然增高时,疼痛会加剧;患者走不久、站不久、坐不久,做出弯腰、侧身等动作时也十分困难。</P>
【高发人群】:有家族遗传史的人、腰椎先天发育不良的人,以及长期进行重体力劳动、腰部负荷较大的人群。</P>
3、腰椎管狭窄</P>
腰椎中间有一个被骨头围起来的椎孔,里面有脊髓和神经通过,当其发生增生,如骨刺、骨赘等,则可能会压迫神经出现腰痛。</P>
【疼痛特点】:疼痛性质多样,可为酸痛、麻痛、胀痛、放电样及烧灼样疼痛;在后仰过程中,往往腰部没有明显疼痛,但是腿部、屁股等有酸沉感、窜痛;另外,也可能出现走路时间接性跛行,站立或蹲坐休息后好转的情况。</P>
4、骨质疏松</P>
骨质疏松是导致中老年人腰痛的重要原因——人一旦上了年纪,成骨细胞变少,破骨细胞变多,就可能导致骨量丢失、出现骨质疏松;而骨质疏松较为严重的人,一般可伴有全身酸痛,尤以腰部明显。</P>
【疼痛特点】:多为慢性游走性腰背部疼痛,严重者打喷嚏都可能诱发椎体压缩性骨折,引起突发剧烈腰痛。</P>
【小贴士】:对于有腰痛的骨质疏松人群来说,千万要警惕椎体压缩性骨折——椎体压缩性骨折发生时,它两个断端是插在一起的,不活动的时候感受不到痛,变换体位的时候骨折端出现轻度的微动才会痛,很难被发现。</P>
所以很多椎体压缩性骨折的患者认为自己并不严重,拖延就医,导致病情进展恶化,直至发生多次骨折,出现行动受限、甚至瘫痪才到医院就诊。</P>
二、4个坏习惯</P>
可能让腰痛反复发作</P>
1、长期维持某一动作</P>
人体的大部分力量要靠腰椎及腰部肌肉承担。如果长期维持某一特定动作,如:久坐、久站,就有可能导致腰部肌肉过度劳累。</P>
长此以往,椎间盘外的纤维环就可能损伤破裂,里面的髓核膨出后可能刺激或压迫到神经根,导致神经组织发炎肿胀,甚至引起腰臀部及下肢疼痛、麻木、痉挛、无力等症状。</P>
2、弯腰的姿势不正确</P>
人在不同的姿势下,腰椎的受力程度不同,站立时腰椎受力等同于体重,而弯腰搬重物时,腰椎的受力高达220%,也就是体重的两倍多。</P>
弯腰时,脊柱前屈,胸椎与腰椎结合的位置受力较大,易发生骨折。如果椎体发生了严重的骨质疏松,骨小梁结构稀疏,就更容易发生压缩性骨折,椎体像糟木头一样,轻轻一按就是一个坑。</P>
【搬重物的正确姿势】</P>
为了保护腰椎,在捡东西、搬重物时,一定要保持正确的姿势:先蹲下,再起身,以减轻腰椎受力。</P>
3、不注重保暖防潮</P>
寒冷、潮湿的环境,可使腰背部肌肉血管收缩,出现缺血、水肿的症状,并引起局部纤维浆液渗出,诱发或者加重肌肉的慢性无菌性炎症,导致腰肌劳损、骨关节炎等疾病,加重腰痛症状。</P>
4、选择不合适的床垫</P>
◎当床垫过软:睡在上面时脊柱中段会出现下陷,躯干构成弧形。这会导致脊柱周围的韧带、肌肉负荷过重,时间长了,就容易造成腰肌劳损。</P>
◎当床垫过硬:腰部和床之间有一个较大的空隙,部分肌肉会处于紧绷状态,腰椎不能得到有效支撑,也易发生腰背酸软劳损的现象!</P>
【如何选择合适的床垫】</P>
床垫应该软硬适中。平躺在床垫上时,颈部、腰部、臀部到大腿之间这三处明显弯曲的地方要没有空隙;侧卧时,身体曲线凹陷的部位也要没有间隙。这样才能完美贴合我们的自然曲线。</P>
三、预防、缓解腰痛</P>
试试这3招!</P>
1、常做腰部“保健操”</P>
要增强腰椎的稳定性,必须增强腰部核心肌群的力量,给它起到一个保护作用。平时可以适当做一做平板支撑、俯卧撑、小燕飞等腰部“保健操”,有助于锻炼腰背部肌肉,辅助保护腰椎。</P>
【小燕飞动作要点】:俯卧,双手背向放好,膝盖伸直,头和腿都尽量向上翘。坚持5秒,然后放松,如此重复15遍为一组。每天2次,每次3组。
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