![Scapulohumeral sib koom yog dab tsi? Scapulohumeral sib koom yog dab tsi?](https://i.answers-medical.com/preview/medical-health/14148175-what-is-the-scapulohumeral-joint-j.webp)
Video: Scapulohumeral sib koom yog dab tsi?
![Video: Scapulohumeral sib koom yog dab tsi? Video: Scapulohumeral sib koom yog dab tsi?](https://i.ytimg.com/vi/xYgHogBchl4/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Taw qhia. Cov scapulohumeral cov leeg yog cov leeg uas txuas lub scapula mus rau humerus. [1] Lub articulation ntawm glenoid cheeb tsam ntawm lub scapula thiab lub taub hau ntawm lub humerus yog nyob nruab nrab ntawm lub pob qij txha nrog lub peev xwm ntau dua los ua cov haujlwm nquag thiab tsis muaj zog.
Tib neeg kuj nug, qhov kev faib ntawm lub xub pwg nyom yog dab tsi?
Cov lub xub pwg nyom (los yog glenohumeral sib koom los ntawm Greek glene, eyeball, + -oid, 'form of', + Latin humerus, xub pwg ) yog structurally cais raws li lub pob synovial thiab lub qhov (socket) sib koom thiab ua haujlwm raws li diarthrosis thiab multiaxial sib koom.
Tsis tas li, dab tsi yog qhov sib dhos Scapulohumeral ib txwm muaj? Scapulohumeral rhiab heev : kev sib koom ua ke ntawm scapula thiab humerus tau ntsib thaum lub xub pwg nyom thiab kev txav chaw uas ib txwm pom tias tshwm sim ntawm qhov sib piv ntawm 2: 1 (2 degrees ntawm humeral flexion / abduction mus rau 1 degree ntawm scapular upward rotation).
Yog li ntawd, 3 pob qij txha ntawm lub xub pwg yog dab tsi?
Xub pwg Anatomy. Lub xub pwg nyom yog tsim los ntawm peb cov pob txha: scapula (lub xub pwg hniav), clavicle (collarbone) thiab humerus ( sab caj npab pob txha ). Ob lub pob qij txha hauv lub xub pwg tso cai rau nws txav mus los: qhov sib koom ua ke acromioclavicular, qhov chaw siab tshaj ntawm scapula ( acromion ) ntsib cov clavicle , thiab glenohumeral sib koom.
Dab tsi ntawm kev sib koom tes yog Scapulothoracic?
Lub scapulothoracic sib koom tsis yog qhov tseeb synovial sib koom tes . Theej, qhov scapulothoracic articulation yog tsim los ntawm lub ntsej muag ntawm lub thoracic posterior posterior thiab concave nto ntawm anterior scapula . Cov scapula yog cov pob txha tiaj tus, nrog rau qhov chaw gliding tsim los ntawm subscapularis thiab serratus anterior.
Pom zoo:
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Qhov nruab nrab nruab nrab ntawm pob qij txha yog ua ke ntawm synovial gliding pob qij txha ntawm cov kab sib thooj thiab nyob deb ntawm cov pob txha carpal. Zoo li lwm yam kev sib koom ua ke, cov pob txha carpal uas nyob ib sab hauv nruab nrab lub cev sib koom ua ke nrog cov pob txha hyaline thiab cov kab noj hniav sib koom ua ke nyob rau hauv cov tshuaj ua kua fibrous kab nrog synovial membrane
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