![Dab tsi yog forearm extensors? Dab tsi yog forearm extensors?](https://i.answers-medical.com/preview/medical-health/13886605-what-are-forearm-extensors-j.webp)
Video: Dab tsi yog forearm extensors?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Lub ntsej muag extensors ntawm caj npab yog brachioradialis, extensor carpi radialis longus, anconeus, extensor carpi radialis brevis, cov extensor carpi plab, extensor digitorum thiab extensor qhia me me. Cov leeg nqaij sab nraud yog tshwm sim hauv caj npab thiab ntxig rau cov qauv hauv tes.
Ib sab ntawm qhov no, qhov twg txuas ntxiv ntawm lub caj npab txuas?
Cov extensor carpi ulnaris nyob ntawm qhov nruab nrab ntawm sab nraub qaum caj npab . Vim nws txoj haujlwm, nws muaj peev xwm los tsim adduction ntxiv rau txuas ntxiv ntawm dab teg . Cov ntawv txuas ntxiv: Lub hauv paus pib los ntawm ib sab epicondyle ntawm lub humerus, thiab txuas mus rau lub hauv paus ntawm metacarpal V.
muaj pes tsawg leeg nqaij extensor puas muaj caj npab? Cov lus piav qhia txog lub cev Qhov chaw nyob tom qab ntawm caj npab (los yog extensor compartment) muaj kaum ob nqaij uas yog lub luag haujlwm tseem ceeb rau kev txuas ntxiv ntawm lub dab teg thiab tus lej, thiab supination ntawm caj npab . Nws tau sib cais los ntawm sab xub ntiag los ntawm cov kab sib txuas nruab nrab ntawm lub vojvoog thiab ulna.
Zoo sib xws, cov leeg nqaij extensor yog dab tsi?
Extensor nqaij . lub cev Extensor nqaij , ib yam ntawm cov nqaij uas ua rau lub kaum sab xis nruab nrab ntawm cov tswv cuab ntawm txhais ceg, zoo li los ntawm kev ncaj lub luj tshib lossis hauv caug lossis khoov lub dab teg lossis tus nqaj qaum rov qab. Kev txav mus los feem ntau yog rov qab, nrog qhov tshwj xeeb tshwj xeeb ntawm lub hauv caug sib koom.
Dab tsi yog rov qab ntawm forearm hu ua?
Hauv lub cev, nws yog hu ua lub caj npab. “Lub sij hawm caj npab tau siv los ntawm lub cev kom paub qhov txawv ntawm caj npab, lo lus uas feem ntau siv los piav qhia tag nrho qhov txuas ntawm sab caj npab, tab sis hauv lub cev, thev naus laus zis, nws txhais tau tias tsuas yog thaj tsam ntawm caj npab sab saud, qhov qis dua ntawm caj npab yog hu ua cov caj npab .” ¹
Pom zoo:
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Compart syndrome yog kev nce siab hauv cov fascial compartments uas tuaj yeem ua rau cov ntaub so ntswg poob qis. Qhov chaw sib koom ua ke ntawm lub caj npab feem ntau nthuav tawm ntawm lub xub pwg thiab cov neeg mob yws ntawm qhov mob thiab nyuaj nrog tes thiab lub dab teg txav, tshwj xeeb nrog kev mob siab rau
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Prime mover (agonist) lub sij hawm rau lub biceps brachii thaum lub forearm flexion
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Lub vojvoog lossis radial pob txha yog ib qho ntawm ob lub pob txha loj ntawm lub forearm, lwm qhov yog ulna. Radius (pob txha) Radius Lub vojvoog (pom liab) yog pob txha nyob hauv forearm. Paub meej Cov Cim Cim Latin Radius
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Cov extensors ntawm lub forearm yog lub brachioradialis, extensor carpi radialis longus, anconeus, extensor carpi radialis brevis, extensor carpi ulnaris, extensor digitorum thiab extensor digiti minimi. Cov leeg nqaij sab nraud yog pib ntawm caj npab thiab ntxig rau cov qauv hauv tes
Puas yog lub forearm ze rau ntawm dab teg?
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Lub forearm yog ib feem ntawm lub sab sauv limbbetween lub luj tshib thiab dab teg pob qij txha. Cov pob txha ntawm lub forearm yog lub vojvoog thiab ulna. Lawv sib txuas lus nrog ib leeg ntawm cov pob qij txha nyob ze thiab qhov distal radioulnar. Theproximal kawg ntawm lub vojvoog thiab ulna articulate nrog thedistal humerus los tsim lub luj tshib