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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov leeg ntawm kev ua pa yog cov leeg nqaij uas ua rau kev nqus pa thiab exhalation, los ntawm kev pab hauv kev nthuav dav thiab kev cog lus ntawm thoracic kab noj hniav . Lub diaphragm thiab, rau qhov tsawg dua, cov leeg nqaij intercostal tsav ua pa thaum ua pa ntsiag to.
Ib yam nkaus, cov leeg nqaij ntawm kev tshoov siab thiab tas sij hawm yog dab tsi?
Ntau yam cov leeg ua pa pab nyob rau hauv ob qho tib si kev tshoov siab thiab tas sij hawm , uas yuav tsum tau muaj kev hloov ntawm lub siab nyob rau hauv lub thoracic kab noj hniav (Daim duab 27-6). Qhov tseem ceeb cov leeg ntawm kev tshoov siab yog lub diaphragm, sab sauv thiab ntau sab nraud intercostals, thiab parasternal feem ntawm sab hauv intercostal cov leeg.
Tom qab ntawd, lo lus nug yog, cov leeg twg yog lub luag haujlwm rau kev tshoov siab? Cov leeg tseem ceeb tshaj plaws ntawm kev tshoov siab yog qhov diaphragm ; txawm li cas los xij, sab nraud sab nraud pab ua pa ib txwm nyob ntsiag to. Contraction ntawm diaphragm nce qhov chaw hauv kab noj hniav thoracic thiab lub ntsws puv nrog huab cua los ntawm ib puag ncig sab nraud.
Tsuas yog li ntawd, cov leeg nqaij intercostal yog lub luag haujlwm rau kev tshoov siab?
Cov sab nraud intercostal leeg yog lub luag hauj lwm rau yuam thiab ntsiag to inhalation. Lawv tsa cov tav thiab nthuav lub hauv siab kab noj hniav, thiab pib los ntawm tav ib tug mus txog 11, nrog insertion los ntawm tav ob mus rau 12. Cov leeg intercostal yog lub luag hauj lwm rau kev quab yuam exhalation.
Dab tsi yog qhov txheej txheem ntawm kev tshoov siab thiab tas sij hawm?
Cov txheej txheem ua pa (ua pa) muab faib ua ob theem sib txawv, kev tshoov siab ( nqus pa) thiab tas sij hawm ( ua pa ). Lub sijhawm tas sij hawm , diaphragm so, thiab qhov ntim ntawm lub plab thoracic txo qis, thaum lub siab hauv nws nce. Vim li ntawd, lub ntsws cog lus thiab cua raug yuam tawm.
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