{"id":80960,"date":"2018-05-07T08:19:26","date_gmt":"2018-05-07T08:19:26","guid":{"rendered":"http:\/\/humanitasnet-new.local\/enciclopedia\/zglob-sake\/"},"modified":"2018-05-07T08:19:26","modified_gmt":"2018-05-07T08:19:26","slug":"zglob-sake","status":"publish","type":"enciclopedia","link":"https:\/\/humanitas-net.humweb.webiz.team\/sr\/wiki\/zglob-sake\/","title":{"rendered":"Zglob \u0161ake"},"content":{"rendered":"<h2 id=\"sta-je-zglob-sake\">\u0160ta je zglob \u0161ake?<\/h2>\n<p>Zglob \u0161ake je kompleks zglobova koji spajaju \u0161aku sa podlakticom. On omogu\u0107ava pokrete savijanja i opru\u017eanja \u0161ake. Ukoliko je zglob istro\u0161en hroni\u010dnim ponavljaju\u0107im pokretima, mo\u017ee do\u0107i do njegovog o\u0161te\u0107enja ili \u010dak do ograni\u010denja mogu\u0107nosti pokretanja.<\/p>\n<p>&nbsp;<\/p>\n<p>Ru\u010dni zglob sastoji se od kostiju koje su povezane ligamentima, okru\u017een je mi\u0161i\u0107ima i nervima koji omogu\u0107avaju njegovu pokretljivost. Sama struktura zgloba sastoji se od \u017ebice i lakatne kosti (obe su deo podlaktice) i dve kosti \u0161ake \u2013 \u010dunaste i polumese\u010daste kosti. Osim njih, postoji jo\u0161 6 drugih kostiju \u0161ake koje su pore\u0111ane u dva reda. Proksimalni red (onaj bli\u017ei zglobu) \u010dine trouglasta kost i gra\u0161kasta kost, dok distalni red (onaj dalji od zgloba) formiraju trapezna kost, trapezoidna kost, glavi\u010dasta kost i kukasta kost. \u010cunasta kost nalazi se u oba reda. Svaka od ovih kostiju povezana je sa susednom kosti pomo\u0107u jednog ili vi\u0161e ligamenata. Me\u0111u njima najve\u0107i je lakatni bo\u010dni ligament (medijalni ligament) i \u017ebi\u010dni bo\u010dni ligament (bo\u010dni ligament), koji svaki ponaosob povezuje lakatnu kost sa trouglastom i gra\u0161kastom kosti, odnosno \u017ebicu sa \u010dunastom kosti.<\/p>\n<p>&nbsp;<\/p>\n<p>Mi\u0161i\u0107i koj se koriste za pokretanje ovog zgloba nalaze se u podlaktici. Me\u0111u njima su dugi radijalni opru\u017ea\u010d \u0161ake (extensor carpi radialis longus &#8211; ECRL), kratki radijalni opru\u017ea\u010d \u0161ake \u00a0(extensor carpi radialis brevis &#8211; ECRB), ispru\u017ea\u010d prstiju (extensor digitorum &#8211; ED), ispru\u017ea\u010d malog prsta (EDM), lakatni opru\u017ea\u010d \u0161ake (ECU), duga\u010dki odmica\u010d palca (APL), kratki opru\u017ea\u010d palca (EPB), dugi opru\u017ea\u010d palca (EPL), opru\u017ea\u010d ka\u017eiprsta (EI). Jedna tetiva ih povezuje za \u0161aku unutar samog zgloba. I kona\u010dno postoje tri nerva koja iz podlaktice inervi\u0161u zglob i \u0161aku. Me\u0111u njima su radijalni nerv, koji inervi\u0161e nadlanicu i podru\u0161je izme\u0111u palca i srednjeg prsta, medijalni nerv koji se grana u \u010detiri manja nerva koji inervi\u0161u palac i slede\u0107a tri prsta; i ulnarni nerv koji inervi\u0161e mali prst i spolja\u0161nju polovinu domalog prsta.<\/p>\n<p>&nbsp;<\/p>\n<p>Naj\u010de\u0161\u0107a stanja koja se javljaju u vezi sa zglobom \u0161ake su sindrom karpalnog tunela i osteoartritis. Sindrom karpalnog tunela odnosi se na stanje koje karakteri\u0161u bol, uko\u010denost i trnjenje zgloba \u0161ake. Osteoartritis je stanje koje dovodi do destrukcije zgloba zbog degeneracije hrskavice i promena u kostima. U oba slu\u010daja, neophodno je potra\u017eiti lekarsku pomo\u0107 kako bi se odredilo odgovaraju\u0107e le\u010denje i spre\u010dilo pogor\u0161anje.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"koja-je-funkcija-zgloba-sake\">Koja je funkcija zgloba \u0161ake?<\/h2>\n<p>Zglob povezuje \u0161aku sa podlakticom, omogu\u0107avaju\u0107i istovremeno brojne pokrete \u0161ake. Opru\u017ea\u010di zgloba omogu\u0107avaju \u00a0podizanje \u0161ake i rotaciju zgloba. Zglob \u0161ake omogu\u0107ava i druge pokrete, posebno ulnarnu devijaciju (u kojoj u\u010destvuju ulnarni opru\u017ea\u010d i ulnarni pregiba\u010d \u0161ake) omogu\u0107avanjem da se \u0161aka okrene prema spolja; i radijalnu devijaciju, koja omogu\u0107ava pisanje dok radijalni pregiba\u010d \u0161ake i dugi\/kratki radijalni mi\u0161i\u0107 okre\u0107u \u0161aku okrene ka unutra.<\/p>\n<p>&nbsp;<\/p>\n<p>Anatomija zgloba \u0161ake je izuzetno slo\u017eena, i grupa kostiju i zglobova koji su u njemu omogu\u0107avaju da se \u0161ake koriste na mnogo razli\u010ditih na\u010dina i u razli\u010ditim pokretima. Zglob mora biti izuzetno pokretan kako bi omogu\u0107io \u0161aci punu slobodu pokreta, ali isto tako mora da joj istovremeno omogu\u0107i i snagu tokom pokreta hvatanja i podizanja.<\/p>\n","protected":false},"featured_media":0,"parent":0,"template":"","Example":[1789],"class_list":["post-80960","enciclopedia","type-enciclopedia","status-publish","hentry","enciclopedia_category-anatomija"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Zglob \u0161ake - Humanitas.net<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"sr_RS\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Zglob \u0161ake - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"\u0160ta je zglob \u0161ake? 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