Uluhlu oluphezulu lwe-Intrinsic Spinal Extensors
Iqela le-semispinalis le-muscle liyokuqala kwinqanaba elincinci lomqolo wesisu. (Olu bunzulu obunzulu bubizwa ngokuba yiqela le-transversospinalis.)
I-semispinalis ijikeleza malunga namacandelo ama-4 ukuya kuma-6 weentlobo eziphezulu ze-thoracic kunye neentloko. Ivela kwiinkqubo ezihambayo phakathi kwe-4 vertebra yomlomo wesibeleko (C-4) kwi-vertibra ye-thoracic (iT-10), kwaye iifayili zayo ziqhutywe kwaye (ekuthiwa kuthiwa yi-supermedially) ukuba zifakwe phantsi kwethambo lesipilisi ( iyithambo engxenyeni engezantsi kwekrele lakho.) Iifibers ze-semispinalis nazo zinamathele kwiinkqubo ze-spinous (izibonakaliso zamathambo eziphuma phakathi kwinqanaba lemva nganye ye-vertebra.)
Ezihambelanayo: Inkqubo ejikelezayo
Umsebenzi weqela le-semispinalis muscle ukunyusa intloko yakho, intamo nomqolo ongaphezulu. Iphinde ijikeleze (cinga ukujika okanye ukujika) ezi zakhiwo kwicala eliphambene (lomqolo wamagxa) apho ukhona khona.
Ngenxa yokuba i-semispinalis inamalungu amathathu ahlukeneyo, izinto zifumana ngakumbi. Masibe phantsi ukuze sifunde ngakumbi.
Semispinalis Thoracis
I-semispinalis thoracis yinqanaba lokuqala kunye nelona lincinane leqela le-semispinalis. Eyona nto, kulo mzekelo, ibhekisela kwisisipha esineendawo ezikufutshane kunesiqingatha esiphezulu-esinye isihlunu nakwezinye izihlunu kwiqela, oko kukuthi.
I-semispinalis thoracis ivela kwinkqubo ejikelezayo ye-vertebrae engezantsi. Idibanisa kwinkqubo ye-spinous ye-vertebrae ephezulu ye-thoracic kunye ne-vertebrae engaphantsi yesi-2. Khumbula kwingxoxo emfutshane apha ngasentla ukuba inkqubo ye-spinous i-projection yeethambo ephuma kumqolo we-vertebrae nganye.
Enyanisweni, unokwazi ukuchukumisa empilweni zakho iinkqubo zokuthabatha, njengabantu abaninzi, zivelele.
Idibeneyo : Inkqubo yeentambo
Nguwo msebenzi we-semispinalis thoracis yokwandisa umlenze wakho, kunye nokuwujikeleza ukuya kwicala lomzimba wakho ochasene nale misi. Umzekelo, ukuba ukhangele ngaphaya kwegxala lakho lokunene ngexesha lokupaka okufanayo, mhlawumbi uza kubandakanya i-semispinalis thoracis ekhoyo kwicala lomnxeba.
I-semispinalis thoracis isebenza kunye nezinye izihlunu zangasemva - oko kukuthi i-logissiumus thoracis, i-iliocostalis thoracis kunye ne-spinalis thoracis xa yenza izenzo ezinxulumene nayo (kwakhona ukuphazamisa nokwandisa umlenze wakho wesibeletho kunye nomlomo wesibeletho.)
Semispinalis Cervicis
I-semispinalis cervicis iqala, okanye ivela kuyo, iinkqubo ezitshintshiweyo ze-vertebrae yakho ye-5 okanye ye-6 ye-thoracic kunye neenkqubo ze-articular ze-vertibrae yesi-4 ukuya kwe-7. Inkqubo ye-articular yinkcazo encinane yeethambo evela kumva we-vertebra edibanisa nenkqubo efanayo ukusuka kwi-vertebra ngqo ngasentla okanye ngaphantsi. Kuzo zonke, unayo iinkqubo ezine-articular nge bone bone. Ezi nkqubo zengxoxo zenza izihlanganisi zeefom.
Idibeneyo : I- Facet Ubuhlungu kunye noMpawu
Esinye siphelo sesi sihlunu sidibanisa kwinkqubo ye-spinous ye-2 ukuya kweyesihlanu ye-vertebrae yomlomo wesibeleko.
Xa i-semispinalis cervicis izicathulo zomzimba, iyakwandisa, kwaye ixhomekeke entanyeni yakho (umlenze womlomo wesibeleko.) Ukuba elinye icala lithengiselwano, oku kubangela ukuhamba kwintamo yentamo. Unokuba ucinge ngebhola le-lateral njengoko ugqugquzela intloko yakho kwelinye icala.
Ababhali be-anatomy study 2005 (Takeuchi, ne-al. Ucwaningo lwe-Anatomic ye-semispinalis cervicis yokuxhasana kwakhona ngexesha lokuphela kwe-laminoplasty.) Lithetha ukuba kwezinye iintlobo ze-laminoplasty ukuhlinzwa, i-semispinalis cervicis inokuphuza ukuphulukisa.
Semispinalis Capitis
I-semispinalis capitis ivela, okanye ivela kwiingcebiso zeenkqubo eziphambeneyo ze-6 okanye 7 ze-thoracic umgudu, kunye ne-articular (khumbula ezi ziinkqubo ezenza i-facet joints) ze-4th, 5th and 6th cervical vertebrae. I-muscle iya kwiethambo le-occipital apho idibanisa phakathi kweendlela eziphambili kunye neendlela ezingaphantsi kwe-nuchal apho.
Umsebenzi we-semispinalis capitis ukwandisa kunye nokutshintsha (intambo engaphantsi) intloko kwicala elifanayo apho i-muscle ikhona khona, kwaye ukujikeleza (ukujika okanye ukujika) ukuya kwelinye icala. I-semispinalis capitis isebenza neqela le-muscle splenius kunye ne-semispinalis cervicis ukwenza imisebenzi yalo.
Imithombo:
Kendall, F., McCreary, E. Izibonelelo, P. Imisipha: Uvavanyo kunye neMisebenzi. 4 edition. Williams & Wilkins. Baltimore, MD. 1993
UMorey, uAgur, u-Dailey. I-Anatomy ye-Clinical ebalulekileyo. 4 edition. ULippincott Williams & Wilkins: iWolters Kluwer. I-intanethi: https://www.inkling.com/read/essential-clinical-anatomy-meith-moore-4th/chapter-4/musmus-of-back
Takeuchi, K. et. is., isifundo se-Anatomic ye-semispinalis cervicis yokuxhaswa kwakhona ngexesha le-laminoplasty. Clin Orthop Relat Res. Julayi 2005 http://www.ncbi.nlm.nih.gov/pubmed/15995430
Semispinalis Thoracis. I-Wheeless 'Incwadi Yobungqina Bama-Orthopedics. IAdoke Orthopedics. http://www.wheelessonline.com/ortho/semispinalis_thoracis. Finyelela ngo-Oktobha 2014.