Diarthrosis pob qij txha yog cov txav tau yooj yim synovial pob qij txha. Synovial pob qij txha tuaj yeem raug faib ua nonaxial, monoaxial, biaxial, thiab multiaxial. Ntau yam kev txav chaw tso cai los ntawm cov pob qij txha synovial yog abduction, adduction, extension, flexion, thiab rotation.
Yuav ua li cas cov pob qij txha muaj peev xwm tig tau?
Kev sib hloov. Kev sib hloov tuaj yeem tshwm sim hauv kab vertebral, ntawm pivot sib koom, lossis ntawm pob-thiab-qhov sib koom ua ke.
Cov pob qij txha twg muaj Monaxial txav nrog kev sib hloov?
Hinge Joint- yog cov pob qij txha monaxial uas tso cai rau lub angular txav hauv ib lub dav hlau xwb. Pivot joints- cov pob qij txha monaxial uas tso cai rau kev sib hloov nkaus xwb. Ellipsoidal pob qij txha - yog cov pob qij txha biaxial nrog lub oval Ellipsoidal pob qij txha yog cov pob qij txha biaxial nrog lub ntsej muag oval articular uas nestles nyob rau hauv kev nyuaj siab nyob rau hauv qhov tawm tsam.
Yuav ua li cas sib koom ua ke tso cai rau kev sib hloov nkaus xwb?
Pivot pob qij txha: Cov pob qij txha no tso cai rau ib hom kev txav, kev sib hloov ntawm ib pob txha ntawm lossis ib ncig ntawm lwm tus. Ib qho piv txwv ntawm kev sib koom ua ke yog qhov sib koom ua ke ntawm atlas thiab axis (C1 & C2) vertebrae, kev sib hloov ntawm ib leeg tso cai rau peb lub taub hau rau 'pivot' sab laug thiab sab xis.
hom kev sib koom twg yog qhov txav tau tshaj plaws?
A synovial sib koom, tseem hu ua diarthrosis, yog hom sib koom ua ke ntau tshaj plaws thiab txav tau yooj yim tshaj plaws ntawm kev sib koom ua ke hauv tus tsiaj lub cev.
