Cov txheej txheem:
![Sab caj npab yog dab tsi? Sab caj npab yog dab tsi?](https://i.answers-medical.com/preview/medical-health/14061321-what-part-of-the-arm-is-the-forearm-j.webp)
Video: Sab caj npab yog dab tsi?
![Video: Sab caj npab yog dab tsi? Video: Sab caj npab yog dab tsi?](https://i.ytimg.com/vi/Q_Xgve6eKKw/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov caj npab yog thaj tsam ntawm sab sauv ntawm lub luj tshib thiab lub dab teg.
Yooj yim li ntawd, koj lub caj dab nyob qhov twg?
Cov caj npab yog thaj tsam ntawm lub luj tshib sib koom tes thiab lub dab teg. Nws ob lub pob txha loj yog lub vojvoog thiab ulna: Radius. Lub vojvoog yog nyob nyob rau sab ntawm lub caj npab ze tshaj tus ntiv tes xoo.
Kuj Paub, puas yog caj npab sab xub pwg mus rau lub xub pwg? Lub humerus yog tib leeg pob txha ntawm sab caj npab cheeb tsam Nws articulates nrog lub vojvoog thiab ulna pob txha caj npab los tsim lub luj tshib. Ntawm nws nyob ze kawg yog lub taub hau ntawm humerus.
Ib yam nkaus, lub npe sab caj npab yog dab tsi?
Cov caj npab kom raug (brachium), qee zaum hu ua sab caj npab , thaj av nruab nrab ntawm lub xub pwg thiab lub luj tshib, yog tsim los ntawm humerus nrog lub luj tshib sib koom ntawm nws qhov kawg.
Dab tsi qab haus huv nyob hauv caj npab?
Ntshav ntawm caj npab
- Cov hlab ntsha nruab nrab. Cov paj no hla mus rau sab hauv ntawm txhais caj npab thiab hla lub hauv ntej ntawm lub luj tshib.
- Ulnar paj. Cov hlab ntsha no dhau mus rau sab hauv ntawm caj npab.
- Radial paj. Cov paj no hla mus rau sab nraub qaum thiab sab nraud ntawm caj npab.
Pom zoo:
Cov pob txha nyob rau sab caj npab yog dab tsi?
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Lus Askiv: Lub humerus yog pob txha caj npab (qaum). Nws koom nrog scapula saum toj no ntawm lub xub pwg sib koom (lossis glenohumeral sib koom) thiab nrog ulna thiab lub vojvoog hauv qab no ntawm lub luj tshib sib koom
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Lub humerus yog pob txha nkaus xwb ntawm caj npab. Nws yog ntev, pob txha loj uas nthuav tawm los ntawm scapula ntawm lub xub pwg mus rau ulna thiab lub vojvoog ntawm caj npab qis
Dab tsi ntawm cov leeg ntawm lub xub pwg nyom thiab sab sauv txav ntawm caj npab thiab caj npab?
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Cov leeg uas txav lub xub pwg thiab caj npab suav nrog trapezius thiab serratus anterior. Lub pectoralis loj, latissimus dorsi, deltoid, thiab rotator cuff nqaij txuas mus rau lub humerus thiab txav caj npab. 20 lossis ntau cov leeg uas ua rau lub dab teg feem ntau, tes, thiab ntiv tes txav tau nyob ntawm lub hauv pliaj
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Sab hauv lossis sab nruab nrab ntawm caj npab sawv cev rau kev txav ntawm lub humerus thaum txhais caj npab hloov mus rau 90 ° ntawm lub luj tshib yog sab hauv sab hauv ib puag ncig ncig lub dav hlau ntev ntawm lub humerus xws li txhais tes txav mus rau nruab nrab ntawm lub cev
Dab tsi yog lub npe ntawm cov hlab ntshav uas nqa ntshav ntshav los ntawm lub taub hau caj dab thiab caj npab mus rau sab xis atrium?
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Superior vena cava