Sternocleidomastoid Muscle
Sternocleidomastoid inongova musasa wemutsipa unoita basa rinokosha mukugadzirisa musoro uye kutenderera mutsipa, pamwe nezvimwe zvinhu. Iyi misumbu inowanzova nyore kuona. Kutaridzika, inoratidzika seyendarira, yakagadzika-shanduka yakaita seyimbi yakasviba pamagumo uye inomhanya ichibva kune imwe shure kwekunze kusvika kune imwe yenyuchi uye nefupa.
Nokuda kwechifukidzo, sternocleidomastiod muscle inowanzonzi seSMM muscle, kana kuti SCM chete.
I-SCM inoita chikamu cheboka remasumbu anozivikanwa se anteriolateral neck flexors. (Mimwe mishonga muAnteriolateral neck neck flexor boka ndiyo inonzi scalenes, iyo inowanikwa zvakanyanya mumutsipa kupfuura SCM.) Sezvisikwa zve synergist kuenda kuScm, iyo scalenes inobatsira kutsvaira uye kuchinja musoro nemutsipa.
Kubva uye Kuiswa
Maonero ekubatanidza kweSMM muscle, (inozivikanwa sepakutanga uye kuiswa) yakaoma nyore kutevera, kusiyana, semuenzaniso, iyo ye latissimus dorsi muscle. (I- latissimus dorsi , iyo inozivikanwawo setikiti shomanana, inonzi mushure mutsvuku mukuru unosungira kune zvivako zvakawanda zviri muduti uye noruoko.) Kusiyana, kumakungwa, SCM inongobatana chete nemapfupa, uye kusvika kune mafupa mana chete, pane izvozvo.
Chimwe chiduku chiduku ku nyore kwechikwata cheSMM chimiro ndechokuti sezvo dumbu remuviri rinotanga kusvika pedyo nekorofu uye ruchifuva, rinowedzera mu "misoro" miviri, uye saka rine mavambo maviri kubva panzvimbo inowanzogara 1 iyo miviri yakawanda .
Saka kubva kupi, chaizvoizvo, musimba weCSM unotangira kupi? Imwe "musoro" weCSM inosungira mberi (kureva, iyo yepanyika) yemunhu. (Manubrium ndiyo inonyanya kugoverwa nechepfupa.) Imwe musoro inobata pamusoro wepamusoro (inonzi unhu hwakanaka) wekoloni , pedyo nepakati pemuviri.
Pamusoro paizvozvo, SCM inoshandisa purogiramu yemastoid, iyo inoratidzika shoma refupa rinobva kune nguva yemafupa. Sezvo zita racho rinoratidza, pfupa remakore ndiyo chikamu chehenya (rimwe parutivi rumwe) rinoumba temberi. Iko mastoid yakarongwa iri pasi pemafupa epanguva, shure kwekunzwa kwako. Unogona kunyatsoona mastoid nekubata nzvimbo iyo mushure mezeve yako. Zvadaro, kana iwe uchifamba neminwe yako pasi iwe unogona kunzwa manyorero akareruka ari musimba weCSM. Mimwe mavara eSSC anowedzerawo pasi pefupa re occipital, iro riri pedyo nemastoid, kure nemakanzwa.
Zvakaita Sternocleidomastoid Muscle Zvinokuitirai
Mune chikamu, kufamba kwemutsipa kunobudiswa ne sterocleiomastoid kunopesana zvichienderana nokuti imwe kana kuti yese yeSMM misumbu iri kushanda.
Apo imwechete musikana weCSM unobvumirana, inobata musoro wako kune rumwe rutivi (inonzi ipsilateral side) iyo musisi iripo. Semuenzaniso, SCM iri kurudyi rwemutsipa wako inoisa musoro wako kurudyi.
Iyo SCM inotendeuka (inoshandura) musoro wako kune rumwe rutivi rwechipiri (inonzi rutivi rwenharaunda). Somuenzaniso, kana iwe ukashandura kana kutendeukira kumusoro wako kurudyi, soro yako SCM inobvumirana.
Mune mamiriro ezvinhu, SCM inotendeukira zvakare chiso chapamusoro zvishomanana (inonzi mitsipa yekuwedzera).
Kana zvose zvibvumirano zveSMM musumbu (inonzi kushamwaridzana kwepakati pemamwe maviri; maitiro maviri pamwe chete) mhedzisiro ndeyekuwedzera kwemutsipa kunoitika paunotanga kubatana kwepakati. Nhengo yekutanga yekupindira kwebhupiti ndiyo yepamusoro-soro yechipfuva; ndiyo nzvimbo iyo musoro wako ugere pamutsipa wako. Izvi zvinowedzera simba rinounza musoro kumashure.
Asi kupesana kwemasimba ose eSMM kunoshandurawo mutsipa wako, izvo zvinounza chidimbu chako pasi muchirevo chepfupa rako. Uye maSMM musungo unovhara pasi unokonzera chinangwa mberi-chero bedzi iwe uchichengeta musoro wako, ndizvo.
Kana zvose zvibvumirano zveSMM musumbu pamwe chete, zvinobatsira kufema kufema, zvakare. Nemutsipa wako wakachengetwa zvisizvo, kuputika kwemashure kwemasimba eSMM kunokonzera kusimudzirwa kwemanubrium pamwe nemigumo yemakoloni ayo ari pedo kusvika pakati pomutumbi wemuviri.
I-SCM inobatanidzwa mune torticollis, mamiriro ayo musoro unogara uchienda kune rumwe rutivi. Uine torticollis, uyewo mberi kuenda kumusoro musoro, SCM inogona kunge iri mucheteredzwa nguva dzose.
Iyo SCM seAnatomical Landmark
Iyo musikana weCMM inofadza kumatomist nekuti nzvimbo yakasiyana-siyana inowanikwa mumutsipa inoita kuti ive chinhu chikuru pakunzwisisa maitiro emumutsipa wemhondi. Iyo SCM inoparadzanisa mutsipa wemutsipa mukati mekunze (mberi) uye shure (kumashure) katatu kune rumwe rutivi, zvichiita kuti mutsara wemukango uve nyore kudzidza.
Chokutanga, pane runyararo rwepakutanga. Icho chinonzi anterior, kana kuti chinotarisana chinotarisana chikamu cheSSC chinonzi inonzi lateral (kumativi) muganhu wepakutanga katatu yemutsipa. Ikoko rinotenderera rinoparadzaniswa kumusoro nejaya, pasi pacho ne sternum bone (breastbone) uye pakati nepakati nepfungwa inofungidzirwa, kana kuti mutsara wekukura, iyo inoparadzanisa muviri kurutivi rworuboshwe uye rworudyi. Tsvina yekunze inowanikwa kune dzimwe nhatu zviduku, pamwe chete.
Pamberi penzvimbo yemashure (shure) shure kwayo inopoteredzwa nechepamusoro kana kumashure kunotarisana chikamu cheSSC. Pamusoro, katatu katatu kakanyanyisa kana ane mapepa kana SCM nemisungo ye trapezius inosangana pasi pe occipital (mushure mutsva) bone. Pasi pechetatu yakashambadzira ndeyechitatu yepakati yemapfupa ako.
Sources:
Kapandji, IA, "The Physiology of the Joints". Fifth Edition. Churchill Livingstone. Shanduro yeNyika Itsva 1987. New York.
Kendall, Florence Peterson, McCreary, Elizabeth Kendall, uye Provance, Patricia Geise. Misungo Kuedza uye Kushanda Nechipfuva Nekutambudzika. 3rd. Baltimore, Maryland: Williams & Wilkins, 1983
Moore, Keith, L., Dalley, Arthur, F. Chipatara chakashandurwa Anatomy. 5th Edition. 2006 Lippincott, Williams naWilkins.