Lub humeroulnar sib koom (ulnohumeral lossis trochlear sib koom), yog ib feem ntawm lub luj tshib-kos Nws yog tsim los ntawm ob pob txha, humerus thiab ulna, thiab yog qhov sib txuas ntawm lub luj tshib. trochlear notch trochlear notch Lub trochlear notch (/ˈtrɒklɪər/), tseem hu ua semilunar notch thiab ntau dua sigmoid kab noj hniav, yog kev nyuaj siab loj nyob rau sab qaum teb ntawm lub ulna uas haum rau trochlea ntawm humerus (cov pob txha ncaj qha saum ulna hauv caj npab) ua ib feem ntawm lub luj tshib. Nws yog tsim los ntawm olecranon thiab cov txheej txheem coronoid. https://en.wikipedia.org › wiki › Trochlear_notch
Trochlear notch - Wikipedia
ntawm ulna thiab trochlea ntawm humerus.
Humeroulnar sib koom nyob qhov twg?
Lub humeroulnar sib koom, yog ib feem ntawm lub luj tshib-pob txha lossis Olecron Joint, nruab nrab ntawm cov pob txha ulna thiab humerusyog pob khawm yooj yim-pob txha, uas tso cai rau kev txav ntawm flexion, extension thiab circumduction. Humero-Ulnar Joint yog qhov sib txuas ntawm trochlear notch ntawm ulna thiab trochlea ntawm humerus.
Humeroradial sib koom yog dab tsi?
Cov humeroradial sib koom yog qhov ntawm lub luj tshib sib koomqhov twg lub capitulum ntawm humerus articulates nrog fovea ntawm lub taub hau ntawm lub vojvoog.
Puas yog humeroulnar koom nrog lub luj tshib?
Humeroulnar Joint: Thawj qhov sib koom ua ke ntawm lub luj tshib, humeroulnar sib koom yog synovial pob khawmuas tso cai los ntawm flexion thiab txuas ntxiv txav. Nws nyob nruab nrab ntawm lub trochlea ntawm humerus thiab trochlear notch ntawm lub ulna.
Cov pob txha dab tsi ua rau humeroulnar sib koom?
Cov protrusions no haum rau hauv ob qho kev nyuaj siab (lub olecranon fossa thiab coronoid fossa) nyob rau hauv qis kawg ntawm humerus los ua lub pob khawm zoo li humeroulnar sib koom, uas tso cai rau koj mus khoov thiab ncaj koj txhais tes. Nws yog qhov peb feem ntau xav tias yog lub luj tshib.
