Iyo mishonga yemasumbu ndiyo "chiito" mushure mushure. Pavanoshandisa, chigumisiro chacho ndechekushamwaridzana kwemukati mako. Ichi chinyorwa chinotsanangura apo masimba aya akaenzana nemamwe magadzirirwo emusana (mukati) uye zvavanoita.
Chokutanga, zvakadaro, ngatitorei zvatinotaura. Zita rezvenyanzvi yevashandi vepachikoro ndiwo erector spinae; pasina chikonzero chekuti, vanhu vazhinji vanotambudzika nemitauro.
Izvi zvingava chikonzero shoko rokuti "paraspinals" uye izwi rokuti "musana wemasimba" inzira dzakajairika dzekutaura kune boka rinokosha remashure kumashure.
Zvimiso zvePasaspinal Zvinotsanangurwa
Mhuka dzinokonzera mhuka dzakagadzirwa nematumbo matatu ari kuita izvo zvinozivikanwa sepakati pepakati pezvinyama zvemashure. Sezvo zita racho rinoratidza, nzvimbo yapakati yepamusoro inenge iri pamusoro pemvura yakadzika, uye pasi pekunze. Izvo zvikamu zvitatu zvitatu zvezvinyama zvemashure zvakapinda zviri pasi pemimwe 2 zvinopfuura mashure mashure emashure ayo ose pamwe anogadzira mushure mutsva.
Basa rezvipembenene zvepachikafu nderokuwedzera mutsara wako uye kuupfugamira kune rumwe rutivi apo inogadziriswa mushure mutsva iripo.
Vanhu vazhinji vanofananidza kufamba kwepelinha nekudzoka shure, iyo inogona kuva nzira yakanaka yekufunga nezvayo kana iwe uchirondedzera kana kuedza rudzi urwu rwekufamba.
Kupindirana kwemasumbu emasumbu kunoshandawo "kutarisa" chiito chemuviri wemimba.
Mune mamwe mazwi, masumbu emimba, kunyanya rectus abdominus , bend trunk mberi. Sezvo kufamba uku kuchiitika, kusungurudza kwepakati (apo musimba unoperera sezvinoita zvibvumirano) zvevanhu vanorasikirwa vanoita kuti trunk isanamire nekukurumidza, pamwe nekuenda mberi zvikuru. Madzimai nemapasipalini vanoshanda pamwe chete kuti vabatsire kuchengetedza muviri wakagadzikana nenzira imwecheteyo.
Nzvimbo yePasaspinal Muscles
Iyo mishonga inomhanya yakareba yakareba mumutsara wepelinha, kubva kune tsanga kusvika kumapanga. Kunyange zvazvo vose vatatu vanotanga panzvimbo imwechete - nzvimbo dzakaderera panzvimbo yakaderera munzvimbo yepamusoro - uye vose vane chikamu, che thoracic uye chikamu chechivharo, mishonga yavo inosungirirana pazvinhu zvakasiyana-siyana zveperminal vertebrae uye nenyundo.
Misungo mitatu inosanganisira nzvimbo yakasara yemisungo yakadzoka shure ndeyodocostalis, longissimus, uye spinalis.
Iliocostalis
Iyoococalisalis muscle ndiyo inonyanya kupfuura (kunze) ye 3 mushure memaviri. Icho chinotangira kubva pamusana wakazara pamusana pemapfupa ehudyu, kumashure kwe sacrum bone, mitsipa yemasangano e sacroiliac, uye michina yeplous ye lower lumbar vertebra (kusanganisira mitsetse inobatanidza izvi maitiro kune mumwe.)
Chikamu chinonzi lumbar chesiyo yaiyoostostalis inofamba ichikwira ichibva kunzvimbo yakaderera yemapapiro uye sacrum kuti isungire kumucheto wakadzika wepasi 6 kana 7 nenyundo, nenzira yetambo dzinobuda kubva mumutsara mukuru. Chikamu chechiedza chinosungirirana nenyundo, asi idzi ndidzo chikamu chepamusoro chebibhiti 6 kumusoro. Ichi chikamu chinobatanidzawo nechemberi kwemaitiro ekutenderera emukoko wechipiri wepervical (neck) vertebra.
Chikamu chechibereki chemukoko weiyoostostalis chinosvika kumashure kwezvinhu zvinopesana zve 4th kusvika pa7 yeververvic vertebrae.
Longissimus
Sezvakaita musisipo weiyoostostalis, longissimus inotangira kubva kune tete yakazara kumashure emapfupa ehudyu, kumashure kwe sacrum bone, mitsipa yemasangano e sacroiliac , uye michina yeplumini yepamusoro vertabbra (iko kusanganisira mitsetse inobatanidza izvi inobatanidza kune mumwe nemumwe.) Iri pakati peiyoocostalis uye spinalis (ona pasi apa pane hurukuro pamusoro pe spinalis).
Uye sejiyoocostalis, longissimus ine zvikamu zvitatu.
Asi panzvimbo yechipfupa, thoracic uye zvikamu zvechiberekero, mutsara uyu une thoracic, cervical and cranial (musoro kana skull) zvikamu. Tendons echinhu chinonzi thoracic ichibatanidza nemazano emitambo inopfigira yezvose zvinonzi thoracic vertebrae uye nemashizha emasumbu kusvika kumabvu apasi 9 kana gumi.
Chikamu chechibereki che longissimus chinosvika kumatenderedzwa emitambo ye2 kusvika ku6 cervical vertebrae.
Chikamu chinosungirirwa chinosvika pakuonekwa kwemapfupa anozivikanwa semastoid, iyo iri kumashure kwehenya, iri shure kwezasi kwezeve.
Spinalis
Kungofanana neiyoostostalis uye misissimus muscle, spinalis inotangira kubva pamatafura akareba kumashure emapfupa ehudyu, kumashure kwe sacrum bone, mitsetse yemasangano e sacroiliac, uye maitiro emhando yezasi ye-lumbar vertebra (kusanganisira mitsipa taura izvi izvi kune mumwe.)
Pamakumbo matatu emusana, iyo spinalis ndiyo inoswedera pedyo nemutsetse weganda. Izvo, zvakare, ine zvikamu zvitatu: Mutsara, chibereko chemuviri uye capitis.
Chikamu chechiedza chinosungirirwa kumagadzirirwo emakona emakona mana kusvika kumakumi matanhatu (anogona kusiyana) thoracic vertebrae . Chikamu chechibereki chinosungirirwa kumagadzirirwo emakwenzi emutsara wechipiri chechibereki (inonzi axis) uye dzimwe nguva pamitambo yepinous 1 kana 2 vertebra pasi apa. Chikamu chechibereki chinosungirirwa pamastoid, iyo inzvimbo imwe chete yechinhu chinokonzera chikamu chetendissimus muscle.
> Kwakabva :
Kendall, F., McCreary, E. Zvokudya, P. Misungo: Kuedzwa nekushanda. 4th edition. Williams & Wilkins. Baltimore, MD. 1993
Moore, K., Dalley, A. Chipatara Chakatungamirirwa Anatomy. Cheshanu. Muparidzi. Lippincott, Williams & Wilkins. 2006. Baltimore. Philadelphia, PA