Dab tsi yog qhov axis ntawm kev sib hloov rau lub dav hlau sagittal?
Dab tsi yog qhov axis ntawm kev sib hloov rau lub dav hlau sagittal?

Video: Dab tsi yog qhov axis ntawm kev sib hloov rau lub dav hlau sagittal?

Video: Dab tsi yog qhov axis ntawm kev sib hloov rau lub dav hlau sagittal?
Video: MOJ KEEB KAV MOJ COJ NTAWM (SIV YIS, HAUJ SAM &YESXUS) 2024, Lub rau hli ntuj
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Kev sib hloov hauv dav hlau sagittal tshwm sim nyob ib ncig ntawm x- axis . 26. YJ- Qag • Dhau ntawm saum toj mus rau hauv qab. Kev sib hloov nyob rau hauv lub transverse dav hlau yuav siv qhov chaw nyob ib ncig ntawm y- axis.

Ntawm no, dab tsi yog lub axis ntawm lub dav hlau sagittal?

Sagittal (tseem hu ua antero-posterior) axis - kab no khiav ntawm sab xub ntiag mus rau sab nraub qaum nruab nrab ntawm lub cev. Piv txwv li, thaum ib tug neeg ua ib lub laub lawv tig ntawm lub sagittal axis . Ntsug axis - Cov kab no khiav ntawm sab saum toj mus rau hauv qab los ntawm qhov nruab nrab ntawm lub cev.

Tsis tas li ntawd, dab tsi txav tau tshwm sim hauv lub dav hlau sagittal? Sagittal dav hlau cov lus tsa suab yuav suav nrog cov lus taw qhia rau pem hauv ntej thiab rov qab, zoo li zaum zaum, rov qab txuas ntxiv lossis biceps curls. Cov dav hlau sagittal txiav los ntawm qhov nruab nrab ntawm lub cev, yog li cov lus tsa suab yog pem hauv ntej los yog rov qab mus rau pem hauv ntej, nrog rau kev khiav ncaj nraim.

Ib sab saum toj, dab tsi yog 3 axis ntawm kev sib hloov?

Ib yam li muaj peb dav hlau ntawm kev txav, muaj peb axes ua kev sib hloov : lub anterior-posterior axis , qhov nruab nrab axis , thiab qhov ntev axis.

Lub dav hlau twg hloov pauv tshwm sim hauv?

Kev sib hloov txav yog nyob rau hauv lub transverse dav hlau thiab suav nrog txhua qhov kev sib tw twisting.

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