Imisipha encane emithathu ibeka isikhwama esikhulu sokwenza amandla.
I-multitifidus kanye ne-rotatores yizinsimba ezimbili ezisezintweni eziseqembu elibizwa ngokuthi ungqimba olujulile lwemisipha yangemuva yangaphakathi.
Ingemuva inezinombolo zamaqembu (okungenzeka adidekile) kufaka phakathi uhlaka olungaphandle lwe-extrinsic olushukumisela kakhulu umkhawulo ophezulu futhi lusize ngokuphefumula, kanye nokubhekwa okuphelele ngaphakathi, okusebenza ngokuhambisa umgogodla ngokwawo.
Ngaphakathi ngalunye lwalezi zingxenye ezihlukene zokuhlukanisa kukhona izingqimba eziningi kanye / noma amaqembu omzimba.
Isendlalelo esingenasici sinemisipha ongase ujwayelane nayo njengama-lats akho, ama-rhomboids noma ama- paraspinals (nje ukubiza abambalwa.) Kodwa uma singena ngaphakathi kwe-intrinsics, ikakhulukazi ungqimba ojulile we-intrinsics, singase sikhulume ngemisipha Angizange ngizwe ngaphambilini. Asivule.
Ungqimba olujulile lwangaphakathi, kungukuthi igama liphakamisa, ungqimba oluphelele lwangaphakathi. (Eminye izendlalelo zangaphakathi ziyizinto ezingenasisekelo futhi eziphakathi.) Futhi njengoba negama libonisa, imisipha ebukhosini obujulile yilabo abahlala eduze kakhulu nomgogodla, uma uwaqhathanisa neminye imisipha yangemuva.
Imisipha emine ihlanganisa ungqimba ojulile wemisipha yangemuva yangaphakathi. Kusukela phezulu kuya ekujuleni yiwona semispinalis , i-multitifidus, i-rotatores kanye ne- interpinalis ne-intertransversii. Lesi sihloko sibhekene ikakhulukazi ne-multifidus ne-rotatores.
Imisipha ye-Multifidus
Imisipha ye-multifidus iqukethe izinqwaba eziphindaphindiwe zemisipha emifushane ehlukanisa izinga elilodwa elilodwa le-vertebral ngayinye, futhi elibunjwa njenge-triangles. Lezi zintathu zitholakala kunhlangothi zonke zomgogodla, zihlanganiswa ngezinqubo ezithintanayo nezinkanyezi.
I-multifidus ihlukaniswe izingxenye ezihambisana nezifunda eziyinhloko zomgogodla wakho.
Lezi ziyoba umlomo wesibeletho (intamo), i-thoracic (emaphakathi nangaphezulu, i-lumbar) (i-back back) ne-sacral (i-sacrum bone). I-muscle igxila kuwo wonke ama-vertebrae omgogodla ngaphandle kwe-atlas, okuyisona sokuqala (ne-topmost) intamo.
Umsebenzi we-multifidus ukwandisa (cabanga nge-arching) umgogodla wakho. Iphinde ibangele ukujikeleza (ukuphikisana) komgogodla kude nohlangothi lomzimba abakhona kuwo. Futhi ekugcineni, i-multifidus igaxa ekuguleni, okubizwa ngokuthi i-lateral flexion.
I-multitifidus, njenge-rotatores nezinye izintuthwane ezisezindaweni ezijulile, zidlala indima ekuhambeni okuqondile nokuzinza komgogodla. NgokukaDiane Lee, i-Canadian physiotherapist, i-multitifidus isebenza ngokubambisana ne- abdominus yakho eguquguqukayo (TA,) ubuhlungu obujulile emzimbeni, kanye nemisipha ye-pelvic (PFM) yokuzinzisa indawo yakho-ngisho nangaphambi kokuba ungeze ukunyakaza. Ngenxa yalokhu umsebenzi oqhamukayo kodwa obalulekile we-multitifidus, usebenzisa isithombe ngenkathi usezingeni eliphezulu kungasiza ekutholeni i-multitifidus futhi usize ukuxhumanisa isenzo sayo no-TA ne-PFM.
Ngendlela, u-Lee uthi uma kunesifo esibuhlungu emuva, kuvele kube khona ukusabela okubambezelekile engxenyeni ye-multitifidus, noma akusebenzi nhlobo.
Futhi ngaphandle kokuba wenze okuthile ukulungisa lokhu, uyanezela, ukukhubazeka okungokwenyama okudalwe yi-multifidus engavilaphayo noma okungenayo okwenzayo kuyohlala ngisho nangemva kokuba ubuhlungu bakho buyeke.
I-multitifidus ibuye iqhaza ekuqiniseni okuhlangene kwe-sacroiliac, ikakhulukazi uma wenza ukunyakaza okukhulu komzimba ophansi njengokukhuphuka izitebhisi, ukugijima, ukuvivinya umlenze nokuningi.
Imisipha ye-Rotatores
Ngaphansi kwe-multitifidus kukhona ama-rotatores. Njenge-multitifidus, i-rotatores yimizimba encane ekhona nganoma iyiphi ingxenye yomgogodla. Zifakwe njenge-quadrilateral futhi zinamathisele kwinqubo eguquguqukayo ye-vertebrae.
Kodwa ngokungafani ne-multitifidus, enye indawo yokunamathisela kuyo yinkqubo ye-spinous, ama-rotatores afaka kwi-lamina ye-vertebra efanayo. I-lamina iyingxenye ehlukile ye-anatomy ye-vertebral; iyingxenye yendandatho yebony ehlanganiswe nomzimba we-vertebral. Ngakolunye uhlangothi, inqubo ye-spinous, (kanye nenqubo eguquguqukayo) iphuma emgqeni we-bony ngendlela ye-projectile.
I-Rotatore Action
Ingqimba engemuva yangemuva, kufaka phakathi i-rotatores (futhi, njengoba kuxoxwe ngenhla, i-multitifidus,) ikhiqiza isandiso somgogodla , futhi isekela nge-lateral flexion (ukujikijela eceleni) nokujikeleza (ukuphikisana).
Njengengxenye yeqembu, i-rotatores ingaba negalelo kulezi zenzo, kodwa njengoba uzobona okulandelayo, nazo zineminye imisebenzi eminye eyazihlukanisa nabalingani bazo.
Okokuqala, umsebenzi oyingqayizivele we-rotatores awukwazi kahle. Ngenkathi zihlanganiswa nazo zonke ezinye izicubu zomgogodla (okukhulunywe ngenhla), ngenxa yobungako babo obuncane, zisesimweni esingenakwenzeka uma kuziwa empeleni zikhiqize noma yikuphi ukunyakaza okusemandleni okugwinya. Esikhundleni salokho, kucatshangwa ukuthi i-rotatores idlala indima ekuqiniseni noma ekuqiniseni umgogodla.
Ngokuhambisana nomthelela wabo wokuqina komgogodla, i-rotatores iphinde isebenze njengendlela yokuhlola okuhamba phambili, inikeza impendulo mayelana nendawo eqondile yamathambo omgogodla ayithinta. Ucwaningo olwenziwe ngo-1986 olwanyatheliswa encwadini ethi American Surgery lwathola ezinye izicucu zamasipha (ukuphelelwa kwesisindo okubona isimo sakho, ukucindezeleka kwemisipha nezinye izinto ezifanayo) ku-rotatores emfushane (ebizwa ngokuthi i-rotatore brevis) kunamanye imisipha yomgogodla. Ngenxa yalokhu, abalobi baveza ukuthi indima i-rotatores edlala ngayo ingaphezulu mayelana nekhono lakho lokubona isikhundla se-back your back and degree of tension muscle noma ukuguquguquka (okubizwa ngokuthi yi-proprioception) kunokuba empeleni kushukumise leso sigaba somgogodla .
> Umthombo:
> Kendall, F., McCreary, E. Provance, P. Imisipha: Ukuhlolwa nokusebenza. Edition 4. Williams & Wilkins. Baltimore, MD. 1993
> Diane Lee & Associates. Ukuqeqeshwa kwemisipha ejulile yengqikithi. Iwebhusayithi kaDeane Lee & Associates. http://www.dianelee.ca/article-training-deep-core-muscles.php
> Moore, K., Dalley, A. I-Anatomy eVulekile emitholampilo. Okwesishiyagalolunye. Edition. ULippincott, Williams & Wilkins. 2006. Baltimore. Philadelphia, PA
> MacDonald. UDavid A., Moseley, G. Lorimer, Hodgesa, Paul, W. I-multifidus enomlomo: Ingabe ubufakazi busekela izinkolelo zemitholampilo? Buyekeza. I-Manual Therapy. 2006. http://bodyinmind.org/wp-content/uploads/McDonald-et-al-2006-Man-Ther-MF-review-paper.pdf
> Nitz AJ, Peck D. Ukuqhathaniswa kwama-spindle concentrations emisipha emikhulu neyincinci ye-epaxial eyenziwa ngokuhlanganiswa okufanayo. Am Surg.May 1986. http://www.ncbi.nlm.nih.gov/pubmed/2422993