![Kev sib hloov tshwm sim nyob qhov twg hauv lub ncauj tsev menyuam nqaj qaum? Kev sib hloov tshwm sim nyob qhov twg hauv lub ncauj tsev menyuam nqaj qaum?](https://i.answers-medical.com/preview/medical-health/14159835-where-does-rotation-occur-in-the-cervical-spine-j.webp)
Video: Kev sib hloov tshwm sim nyob qhov twg hauv lub ncauj tsev menyuam nqaj qaum?
![Video: Kev sib hloov tshwm sim nyob qhov twg hauv lub ncauj tsev menyuam nqaj qaum? Video: Kev sib hloov tshwm sim nyob qhov twg hauv lub ncauj tsev menyuam nqaj qaum?](https://i.ytimg.com/vi/Gk__tGYQSqU/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Lub zog tig lub taub hau sab laug thiab sab xis tshwm sim yuav luag tag nrho ntawm kev sib koom ntawm atlas thiab axis, atlanto-axial sib koom. Ib qho me me ntawm kev sib hloov ntawm kab vertebral nws tus kheej pab txhawb kev txav mus los.
Ntawm no, qhov twg feem ntau kev sib hloov tshwm sim hauv tus txha nraub qaum?
Cov pob qij txha ntawm cov vertebrae nyob rau hauv thoracic seem ntawm qaum tso cai flexion, txuas ntxiv, sab-flexion thiab kev sib hloov rau tshwm sim . Nyob rau hauv lub thoracic qaum tus kheej ribs txuas rau lub vertebrae.
Tom qab ntawd, lo lus nug yog, uas lub ncauj tsev menyuam nqaj qaum tso cai tig ntawm lub taub hau? Lub atlas yog qhov saum toj kawg nkaus vertebra thiab nrog txoj kab ntawv ua qhov sib txuas sib txuas ua ke taub hau thiab qaum. Lub atlas thiab axis yog tshwj xeeb rau tso cai ntau ntau ntawm kev txav ntau dua li qub vertebrae . Lawv yog lub luag hauj lwm rau nodding thiab kev sib hloov kev txav ntawm cov taub hau.
Ib tug kuj yuav nug, dab tsi txav ntawm lub ncauj tsev menyuam nqaj qaum?
Ib txwm Kinematics ntawm Upper Cervical Spine Lub atlas articulates nrog lub occipital condyles, thiab nws cov lus tsa tseem ceeb yog flexion thiab txuas ntxiv. Li qub flexion rau hyperextension ntawm atlanto-occipital sib koom ua ke ntawm kwv yees li 15 ° txog 20 °.
Lub ncauj tsev menyuam vertebrae nyob qhov twg hauv lub cev?
Cervical Vertebrae . Cov ncauj tsev menyuam vertebrae ntawm tus txha nraub qaum muaj xya lub pob txha rings uas nyob hauv caj dab nruab nrab ntawm lub hauv paus ntawm lub pob txha taub hau thiab lub thoracic vertebrae hauv lub cev. Ntawm cov vertebrae ntawm qaum column, cov ncauj tsev menyuam vertebrae yog cov pob txha thinnest thiab feem ntau muag heev.
Pom zoo:
Qhov chaw sib sib zog nqus ntawm ncauj tsev menyuam nyob qhov twg?
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Cov qog ntshav ntawm ncauj tsev menyuam tau muab faib ua ob sab thiab qis dua thiab nyob sib sib zog nqus hauv caj dab. Lub ncauj tsev menyuam sib sib zog nqus sab saud nyob ntawm ib sab ntawm sab hauv ntawm cov hlab ntshav sab hauv thiab pw hauv qab ciam teb ntawm cov leeg sternomastoid
Kev sib hloov roj tshwm sim nyob qhov twg hauv cov pa ua pa?
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Kev sib pauv roj yog xa cov pa oxygen los ntawm lub ntsws mus rau cov hlab ntshav, thiab tshem tawm cov pa roj carbon dioxide los ntawm cov hlab ntshav mus rau lub ntsws. Nws tshwm sim hauv lub ntsws nruab nrab ntawm alveoli thiab lub network ntawm cov hlab ntshav me me hu ua capillaries, uas nyob hauv phab ntsa ntawm alveoli
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Lub ncauj tsev menyuam vertebrae ntawm tus txha nraub qaum muaj xya pob txha pob txha uas nyob hauv lub caj dab nruab nrab ntawm lub hauv paus ntawm pob txha taub hau thiab thoracic vertebrae hauv pob tw. Ntawm cov vertebrae ntawm tus txha caj qaum, lub ncauj tsev menyuam vertebrae yog cov pob txha nyias thiab cov pob txha mos tshaj plaws
Puas muaj hluav taws xob ntau npaum li cas hauv lub ncauj tsev menyuam nqaj qaum x ray?
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Yooj yim. Thaum nws tawm mus rau hluav taws xob, lub c-nqaj qaum xoo hluav taws xob xa txog 0.2 mSv thaum lub CT ntawm lub ncauj tsev menyuam nqaj qaum xa txog 4-6 mSv (uas kuv pom tias yog qhov txaus siab vim tias lub taub hau CT yog li 2 mSv). Tus nqi hluav taws xob cuam tshuam nrog CT scan yog qhov sib txawv raws qhov chaw thiab lawv ua li cas
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Cervical vertebrae. Txoj hauj lwm ntawm tib neeg lub ncauj tsev menyuam vertebrae (pom liab). Nws muaj 7 pob txha, los ntawm sab saum toj mus rau hauv qab, C1, C2, C3, C4, C5, C6, thiab C7