2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Condyloid thiab eeb pob qij txha yog biaxial. … Lub pob multiaxial thiab lub qhov (socket) pob qij txha tso cai rau flexion-extension, abduction-adduction, thiab circumduction. Tsis tas li ntawd, cov no kuj tso cai rau medial (internal) thiab lateral (sab nraud) rotation. Pob-thiab-socket pob qij txha muaj qhov zoo tshaj plaws ntawm kev txav ntawm txhua qhov sib koom ua ke.
Yuav ua li cas sib koom ua tsis tau kev hla?
Humeroulnar sib koom tsis tuaj yeem ua kev hla. Kev sib koom humeroulnar tuaj yeem ua flexion thiab txuas ntxiv.
Yuav ua li cas txav cov pob qij txha biaxial tso cai?
Synovial: Condyloid
Ib qho sib koom ua ke, lossis kev sib koom ua ke ellipsoid, txhais tau tias yog ib qho kev sib txuas ntawm kev nyuaj siab ntawm ib pob txha thiab cov qauv sib npaug ntawm lwm cov pob txha lossis pob txha. Hom kev sib koom ua ke no yog biaxial vim nws tso cai rau ob lub axes ntawm kev txav: flexion / txuas ntxiv thiab medial / lateral (abduction / adduction).
Puas lub xub pwg nyom?
Tib neeg lub xub pwg nyom yog qhov sib koom tes sib koom ua ke hauv lub cev. Qhov kev txav mus los no muab rau sab sauv kawg nrog ntau yam ntawm kev txav xws li adduction, abduction, flexion, extension, internal rotation, external rotation, and 360° circumduction nyob rau hauv lub dav hlau sagittal.
Kev ntiv tes xoo yog dab tsi?
Circumduction piav qhia kev txav ntawm thawj metacarpal nkaus xwb ntawm carpometacarpal sib koomlos ntawm qhov siab tshaj plaws radial adduction hauv lub dav hlau ntawm xibtes mus rau ulnar ciam teb ntawm testuav lub kaum sab xis dav tshaj plaws ntawm thawj thiab thib ob metacarpals.
Pom zoo:
Puas yog kev sib ntaus sib tua ntawm kev sib ntaus sib tua?
Kev sib ntaus sib tua ntawm Hastings, uas Anglo-Saxon huab tais Harold II tau sim tiv thaiv nws lub tebchaws los ntawm kev tawm tsam ntawm William, duke ntawm Normandy (tom qab hu ua William tus Conqueror), tau tshwm sim rau 14 October 1066.
Thaum kev sib koom ua ke nyob hauv qhov xwm txheej ntawm kev sib koom ua ke?
29. Kev sib koom ua ke yuav tsum raug suav tias yog kev sib koom ua ke hauv qhov kev sib koom ua ke thaum tag nrho cov xwm txheej hauv qab no tau txaus siab: Tag nrho cov cuab tam thiab kev lav phib xaub ntawm lub tuam txhab hloov pauv dhau los, tom qab sib sau ua ke, cov cuab tam thiab lav ntawm lub tuam txhab transferee.
Puas yog kev sib koom tes lossis kev sib koom ua ke?
Tus hyphen tau poob ntawm kev tswj hwm, tab sis kev sib koom ua ke tsis yuam kev. Hyphens zoo li tso tseg lub sijhawm thaum cov lus siv ua ke ntau heev. Lo lus Coordinator puas muaj hyphen? Kuj siv tus hyphen yog tias muaj kev pheej hmoo ntawm kev hais lus tsis raug.
Puas kev sib koom ua ke hauv kev ntsuas txhais tau tias kev sib koom ua ke?
Feem ntau, pointwise convergence tsis txhais hais tias convergence nyob rau hauv ntsuas. Txawm li cas los xij, rau qhov chaw ntsuas qhov kawg, qhov no yog qhov tseeb, thiab qhov tseeb peb yuav pom hauv ntu no tias ntau qhov tseeb. Puas kev sib koom ua ke yuav luag txhua qhov txhais tau tias kev sib koom ua ke hauv kev ntsuas?
Puas yog kev sib koom ua ke thiab sib koom ua ke?
Raws li adjective qhov sib txawv ntawm coextensive thiab coterminous. yog tias coextensive yog muaj tib yam kev txwv lossis ciam teb; sib koom tib cheeb tsam thaum coterminous yog (ntawm cov vaj tse xauj tsev) txuas lossis cuam tshuam thiab tas sij hawm ua ke.
