Mbali ya Mphepete Mwachindunji Yopweteka Kuvulaza
L5-S1 ndi mawu omwe amagwiritsidwa ntchito kufotokoza gawo la msana womwe uli ndi vertebra yomaliza ya kumbuyo kwenikweni (wotchedwa L5) ndi fupa lopangidwa ndi katatu pomwepo podziwa sacrum. Sakram ili ndi mafupa asanu omwe S1 ali pamwamba.
Mutha kuganiza za L5-S1 ngati malo enieni omwe mphalapala zimatha ndipo sacral spine imayamba. Mgwirizano umene umagwirizanitsa iwo umatchedwa mgwirizano wa lumbosacral.
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Makhalidwe a Lumbar Spine ndi SacrumMphuno wa munthu uli ndi mafupa 33 omwe ndi apamwamba 24 okha omwe amasuntha kwathunthu. Zidasweka m'magawo kuyambira pamwamba mpaka mchira, motere:
- Mphepete mwa khosi (khosi) ndi mafupa asanu ndi awiri kuchokera ku C1 mpaka C7
- Thoracic msana (kumbuyo) ndi fupa 12 kuchokera T1 mpaka T12
- Lumbar msana (kumbuyo kwenikweni) ndi mafupa asanu kuchokera L1 mpaka L5
- Sacrum ndi mafupa asanu kuchokera ku S1 mpaka S5
- Coccyx dera (tailbone) lomwe liri ndi mafupa anai kuchokera ku Co1 kupita ku Co4
Ngakhale anthu ambiri amaganiza kuti sacrum ndi fupa limodzi, limakhala ndi mafupa asanu omwe amayamba kufalitsa pambuyo pokha atabadwa ndipo amapitiriza kuchita zimenezi mpaka atakwanira zaka pafupifupi 30.
Chimodzimodzinso ndi mafupa a coccyx omwe amatchulidwa (osasunthika) pakubereka koma mwina amakhala osakanizidwa kapena osakanizidwa ndi akulu.
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Chifukwa chake L5-S1 Ndi YofunikaMphepete mwa msana ndi mawonekedwe a thupi lomwe limatilola kuti tiimire bwino ndi kupotoza ndi kugwada kuti tisinthe malo a torso, mmbuyo, ndi khosi. Kuthamanga kwa msana ndichinthu chofunikira kwambiri ku chiopsezo chake.
Kumtunda ndi kumbuyo kumbuyo, msana wamphepete umathamangira patsogolo pamene salowerera, pamene ma thoracic ndi sacral curve amafikira mosiyana
Ndilo ku mbali ya L5-S1 yomwe kulemera kwa thupi kumasunthira kutsogolo kutsogolo (lumbar) khola kumbuyo (sacral) curve. Ndi pamagulu awa omwe akutsutsana ndi zolemetsa zimapangitsa kuti chiopsezo cha mgwirizano chikhale ngati zaka zammbuyo kapena zopweteka.
Chifukwa cha ichi, L5-S1 ndi chimodzi mwa malo omwe amapezeka kwambiri opaleshoni yam'mbuyo (kuphatikizapo L4-L5).
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The L5-S1 ndi SpondylolisthesisMgwirizano wa L5-S1 ndi malo wamba a chovulala chotchedwa spondylolisthesis . Mapuloteni amatanthauza vertebra yomwe yathamangira patsogolo pa fupa pomwepo.
Mtundu wofala kwambiri umatchedwa isthmic spondylolisthesis umene umayamba ndi kupasuka pang'ono mu pars interarticularis (kapangidwe ka fupa kamene kamagwirizanitsa ziwalo za msana).
Ngakhale kuti fracture imachitika pamene munthu ali wamng'ono (asanakwanitse zaka zisanu ndi ziwiri), zizindikiro sizimayambira mpaka munthu wamkulu. Kukhazikitsidwa kwa msana kumapeto kwauchikulire kungathe kupititsa patsogolo vutoli.
Mapulitsimadzi amachititsa mgwirizano wa L5-S1 chifukwa cha sacrum yokha. M'malo mokhala pang'onopang'ono pansi, S1 nsonga pansi ndi kumbuyo. Mwachidziwikire, anthu omwe ali ndi chidziwitso chachikulu adzatengera chiopsezo chachikulu cha spondylolisthesis.
Ma spondylolisthesis amachiritsidwa ndi njira zopanda opaleshoni monga mankhwala opweteka, kutentha ndi / kapena kugwiritsa ntchito ayezi, mankhwala opatsirana, kapena jekeseni wa epidural steroid.
Ngakhale kuti opaleshoni ya msana imatha kugwira bwino ntchito yochizira matenda a spondylolisthesis, imafuna nthawi yowonongeka ndipo nthawi zambiri silingaganizidwe mpaka munthu atalephera kupeza chithandizo cha njira zopanda opaleshoni kwa miyezi isanu ndi umodzi.
> Zotsatira:
> Cloete, E .; Battin, M .; Immam, F. et. al. "Ossification ya matupi a sacral vertebral m'misinkhu yoyamba yomwe ili ndi masabata 24 mpaka 38" zaka zowonongeka ndi kufunikira kwa msana ultrasonography. " Am J Perinatol. 2013; 30 (6): 519-22. DOI: 10.1055 / s-0032-1329186.
> DeVine, J .; Schenk-Kisser, J ;; ndi Skelly, A. "Zowopsa za matenda opatsirana pogonana: ndondomeko yowonongeka. Evid Based Based Spine Care J. 2012; 3 (2): 25-34. DOI: 10.1055 / s-0031-1298615.