Pectoral mhasuro

Tsandanyama thoracal masero chinhu chinokosha pakuderedza pamusoro zvetsandanyama nemapfupa hurongwa. Vanotanga pamberi penyika muchipfuva, wozoenda kune bhandi rokumusoro wamativi. Uyezve, ega autochthonous (pachake) tsandanyama, izvo wakaiswa kuti mbabvu. Saizvozvowo, ayo anatomical nzvimbo, zvinoita anoita sangano okumusoro maoko nemakumbo, uyewo mubasa nedanho inhalation.

Saizvozvowo, kupatsanura, kusunungurwa tsandanyama kuti inoshandawo rokumusoro makumbo uye tsandanyama pachake chipfuva. Kupesana uku rinoenderana mashandiro yavanobata, pane yakaitwa.

Boka rokutanga kunosanganisira guru, kuenzana uye pectoralis muduku. The kukatanga kubva pamberi pechiso clavicle (ayo medial divi), shwashwa mbabvu wechipiri rechinomwe uye rinoguma rusvingo pamberi mudzira twasu abdominal tsandanyama. Pamusoro tsandanyama wanamatira mukuru tuberosity yacho humerus. It anoita zvinotevera Mabasa: kuunza yokumusoro mutezo pamuviri, vakatendeuka mukati, ivo fibers, inova yakabatana clavicle, chinobatanidzwa flexion muruoko. Akatangawo paChikoro nedanho inhalation. Kuti izvi zvidaro, okumusoro maoko nemakumbo vanofanira kupiwa muviri, vari wakaiswa. Akatangawo paChikoro brachiation (kudhonza).

Pectoralis muduku riri pasi yakakura. It zvinobva mbabvu wechipiri uye wechishanu asiwo, wanamatira chipande muitiro. Muscle anoita zvinotevera Mabasa: apo mukuderedza lopatkuv kuminyuka mberi uye pasi negwara. Kana kugadzira ruoko zviri munyaya kufema kwacho.

Subclavian pectoral tsandanyama iri pakati clavicle uye vokutanga mbabvu. It anoita zvinotevera mashandiro: Kuda kutamba pamusoro sternoclavicular kubatana, kudhonza ari medial clavicle uye pasi.

Front serratus projected padenga lateral thoracal nharaunda. Rinobva pfumbamwe okumusoro micheto, ari ipapo kuda romukati kumucheto chipande. Pamwe chete naye kwaizvozvi wanamatira ari rhomboid tsandanyama, izvo hunokonzera kufanana mitambo yavo. Izvi zvinosanganisira kugadzirira zvipande, shandurai rezasi weboka pfupa laterally uye pamberi kuti vanochengeta kana kukwidza ruoko pamusoro chinjikira mutsetse.

The kwokunze uye munyika intercostal pectoral tsandanyama vari mukati tsandanyama yacho. Vari wakaiswa kuti costal cartilages. The musiyano nechitarisiko uye munyika tsandanyama riri fibers dzavo. Nokuti hunhu kutungamirirwa kumashure wokutanga uye muchibva uye pasi. Internal intercostal tsandanyama vane pakatarisana mararamiro fibers ayo anosvika sternum. Zvisinei, havana kuita basa rakafanana.

Podrobernye tsandanyama uyewo nhengo kuboka pachake tsandanyama. Vari iri romukati parutivi chipfuva panzvimbo dzapasi chikamu. Podrobernye tsandanyama vari vasiyana kumakona kumicheto. The peculiarity weboka fibers dzavo vachikandira mbabvu maviri.

Lower pectoral tsandanyama (transverse) iri romukati nomumativi rinorondedzerawo kuboka yayo tsandanyama. It ane wehunyambiri kwebasa fibers. Izvi chinosiyanisa kubva dzose masangano veboka.

All pachake chipfuva tsandanyama kuitawo kufema. Ichi basa ravo huru. Muscle vose mbabvu uye chipfuva anowedzera kwose kwose. Somugumisiro kuitwa mweya. Nedzinovengwa kunoitika tinyerere, izvi zvinoita kuti elasticity pechipfuva, nemapapu. Pane dzidziso maererano izvo womukati intercostal tsandanyama kupinza Implementation pamusoro naTidhari. Asi vose masangano kwakadai mupiro mukuru achiita kufema zvinoita diaphragm.

Chero pectoral tsandanyama ndiyo dzidzo inokosha, sezvo, kunze injini mashandiro, izvozvo anoita kufema basa.