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Metacarpophalangeal sib koom nyob qhov twg?

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Metacarpophalangeal sib koom nyob qhov twg?
Metacarpophalangeal sib koom nyob qhov twg?

Video: Metacarpophalangeal sib koom nyob qhov twg?

Video: Metacarpophalangeal sib koom nyob qhov twg?
Video: Mob Hlub /Paj Nqeeb Laim / Lis Koob Xyooj Nkauj tawm tshiab2020 2024, Lub Xya hli ntuj
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Cov metacarpophalangeal sib koom lossis MP sib koom ua ke, tseem hu ua thawj pob txha, yog cov pob txha loj hauv tes uas cov pob txha ntiv tes ntsib cov pob txha tes. MCP kev sib koom ua ke ua haujlwm pob khawm thiab tseem ceeb heev thaum tuav thiab pinching.

qhov sib koom ua ke metacarpophalangeal nyob qhov twg?

Cov pob qij txha metacarpophalangeal (MCP) yog nyob nruab nrab ntawm cov pob txha metacarpal thiab cov phalanges ze ntawm tus ntiv tes Cov pob qij txha no yog hom condyloid, tsim los ntawm kev txais tos ntawm lub taub hau puag ncig. ntawm cov pob txha metacarpal mus rau hauv qhov tob tob ntawm qhov kawg ntawm lub proximal phalanges.

thawj metacarpophalangeal sib koom nyob qhov twg?

Lub 1st CMC (carpometacarpal) sib koom ua ke yog ib qho tshwj xeeb eeb-puab sib koom ua ke ntawm lub hauv paus ntawm tus ntiv tes xoo. Cov pob txha trapezium carpal ntawm lub dab teg thiab thawj cov pob txha metacarpal ntawm tes tsim 1st CMC lossis ntiv tes xoo basal sib koom.

metacarpophalangeal sib koom ua ke ntawm tus ntiv tes xoo nyob qhov twg?

Tub. MCP sib koom ua ke ntawm tus ntiv tes xoo muaj articulation ntawm lub taub hau convex ntawm thawj metacarpal thiab concave proximal nto ntawm lub proximal phalanx ntawm tus ntiv tes xoo (Fig. 7.19).

Puas muaj pes tsawg metacarpophalangeal pob qij txha muaj?

Cov pob qij txha metacarpophalangeal (MCP) yog cov khoom sib txuas ntawm cov pob qij txha uas txuas cov metacarpus, lossis xibtes ntawm tes, rau cov ntiv tes. Muaj tsib cais metacarpophalangeal pob qij txha uas txuas txhua tus pob txha metacarpal mus rau qhov sib thooj phalanx ntawm txhua tus ntiv tes.

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