2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Ulnar styloid txheej txheem . Cov txheej txheem styloid ntawm ua ulna pom nyob rau ntawm qhov kawg ntawm lub forearm, thiab tej yaam num los ntawm nruab nrab thiab sab nraum qab ntawm cov pob txha; nws descends me ntsis qis dua lub taub hau, thiab nws rounded kawg affords ntawv txuas mus rau ulnar collateral ligament ntawm lub dab teg.
Ib yam li ib tug yuav nug, dab tsi txuas rau cov txheej txheem radial styloid?
Radial styloid txheej txheem . Cov radial styloid txheej txheem yog qhov kev kwv yees ntawm cov pob txha nyob rau sab nraub qaum ntawm qhov nruab nrab lub vojvoog pob txha. Nws extends obliquely downward rau hauv ib tug muaj zog, conical projection. Cov leeg ntawm brachioradialis txuas ntawm nws lub hauv paus, thiab lub radial collateral ligament ntawm lub dab teg txuas ntawm nws apex.
Ib yam li ntawd, lub ulna txuas rau dab tsi? Lub ulna yog ib qho ntawm ob pob txha uas muab cov qauv rau lub forearm. Lub ulna yog nyob rau sab nraud ntawm lub forearm los ntawm tus ntiv tes xoo. Nws koom nrog humerus ntawm nws qhov kawg loj los ua tus luj tshib sib koom , thiab koom nrog cov pob txha carpal ntawm tes ntawm nws qhov kawg me.
Raws li, qhov ulna txuas rau lub humerus nyob qhov twg?
Cov ua ulna ua ib feem ntawm lub dab teg thiab lub luj tshib pob qij txha. Tshwj xeeb, cov ua ulna koom nrog (piav qhia) nrog: trochlea ntawm humerus , ntawm sab xis ntawm lub luj tshib raws li pob khawm sib koom nrog semilunar trochlear notch ntawm lub ua ulna . lub vojvoog, nyob ze ntawm lub luj tshib ua pivot sib koom ua ke, qhov no tso cai rau lub vojvoog hla dhau ntawm ua ulna hauv pronation.
Dab tsi yog ulna styloid puas?
Muaj ib tug bony projection nyob rau thaum xaus ntawm lub ua ulna , nyob ze koj txhais tes, hu ua ulnar styloid txheej txheem. Nws haum rau pob txha mos ntawm koj lub dab teg sib koom thiab ua lub luag haujlwm tseem ceeb hauv kev muaj zog thiab yoog raws ntawm koj lub dab teg thiab lub hauv pliaj. Txhua yam kev so hauv cheeb tsam no yog hu ua ib qho ulnar styloid puas.
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