{"id":2073,"date":"2019-03-07T16:22:29","date_gmt":"2019-03-07T16:22:29","guid":{"rendered":"https:\/\/artrosorg2\/www-artros-org-37\/?p=2073"},"modified":"2022-08-15T12:03:15","modified_gmt":"2022-08-15T12:03:15","slug":"kroppens-muskler","status":"publish","type":"post","link":"https:\/\/www.jointacademy.com\/se\/sv\/fakta\/anatomi\/kroppens-muskler\/","title":{"rendered":"Kroppens muskler och dess funktioner"},"content":{"rendered":"\n<p>Vi har ungef\u00e4r 640 muskler i kroppen. De hj\u00e4lper oss med allt ifr\u00e5n att st\u00e5 uppr\u00e4tt, spela fotboll och hj\u00e4lpa till med matsm\u00e4ltningen. Det finns ocks\u00e5 olika sorters muskler som har olika uppgifter. Vissa av dessa kan vi styra med viljan, andra inte. Det som alla kroppens muskler har gemensamt \u00e4r dock att de \u00e4r n\u00f6dv\u00e4ndiga f\u00f6r att vi ska kunna fungera normalt. F\u00f6r den som har besv\u00e4r i muskler och leder \u00e4r det extra viktigt att st\u00e4rka skelettmusklerna, eftersom de hj\u00e4lper till att avlasta och stabilisera lederna. Tr\u00e4ning \u00e4r faktiskt ett av de b\u00e4sta s\u00e4tten att <a href=\"https:\/\/www.jointacademy.com\/se\/sv\/fakta\/behandling\/behandla-med-joint-academy\/\">behandla<\/a> artros.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/files.cloudrock.io\/wp-content\/uploads\/2019\/03\/kroppens_muskler.jpg\" alt=\"illustration av kroppens muskler p\u00e5 en man fr\u00e5n flera vinklar: framifr\u00e5n, bakifr\u00e5n och fr\u00e5n sidan\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-kroppens-muskler-har-flera-uppgifter\">Kroppens muskler har flera uppgifter<\/h2>\n\n\n\n<p>Skelettets funktion \u00e4r fr\u00e4mst att h\u00e5lla uppe kroppen, det vill s\u00e4ga att vara kroppens stomme. Men hade vi inte haft muskler som st\u00f6d och senor som binder ihop de olika skelettdelarna hade vi \u00e4nd\u00e5 inte kunnat st\u00e5 uppr\u00e4tta. Musklerna kan, f\u00f6rutom att h\u00e5lla oss uppr\u00e4tta, ocks\u00e5 styra skelettet med hj\u00e4lp av senorna. Kroppens muskler samverkar ocks\u00e5 med skelettet p\u00e5 s\u00e5 vis att det hj\u00e4lper till att skydda oss. Bukmusklerna skyddar exempelvis de inre organen, d\u00e4r vi inte har n\u00e5got skelett. Det finns ocks\u00e5 en annan typ av muskler som kontrollerar hj\u00e4rtat, och en till typ som kontrollerar inre organ, blodk\u00e4rlen och huden.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-olika-sorters-muskulatur\">Olika sorters muskulatur<\/h3>\n\n\n\n<p>Det finns tre sorters muskulatur i kroppen: <strong>skelettmuskulatur<\/strong>, <strong>glatt muskulatur<\/strong> och <strong>hj\u00e4rtmuskulatur<\/strong>. Dessa har alla olika funktioner. Skelettmuskulaturen \u00e4r det som de flesta av oss t\u00e4nker p\u00e5 n\u00e4r vi t\u00e4nker p\u00e5 kroppens muskler. De f\u00e4ster i skelettet och g\u00f6r att vi kan r\u00f6ra p\u00e5 oss. De hj\u00e4lper \u00e4ven till att stabilisera v\u00e5ra leder. Det \u00e4r den h\u00e4r typen av muskulatur vi st\u00e4rker n\u00e4r vi tr\u00e4nar och r\u00f6r p\u00e5 oss. Den glatta muskulaturen finns i exempelvis blodk\u00e4rl, hud och tarmar. Vi kan inte styra dessa med viljan, till skillnad fr\u00e5n skelettmuskulaturen. Hj\u00e4rtmuskulaturen hittar vi, som namnet avsl\u00f6jar, i hj\u00e4rtat. Dessa muskler ser till att hj\u00e4rtat pumpar genom att skapa tryckf\u00f6r\u00e4ndringar i hj\u00e4rtats kammare och f\u00f6rmak.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.artros.org\/skelett-och-leder\/fakta-om-skelettet\/\">L\u00e4s ist\u00e4llet om skesklettet<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-samspel-mellan-muskler-skelett-och-leder\">Samspel mellan muskler, skelett och leder<\/h2>\n\n\n\n<p>N\u00e4r vi vill r\u00f6ra p\u00e5 oss startar vi en signal i hj\u00e4rnan. Denna skickas sedan via ryggm\u00e4rgen till den muskel\/de muskler vi vill anv\u00e4nda. Muskeln drar d\u00e5 ihop sig eller str\u00e4cker ut sig, beroende p\u00e5 vilken r\u00f6relse vi vill utf\u00f6ra. Eftersom muskeln f\u00e4ster i en sena, som f\u00e4ster i en skelettdel, s\u00e5 flyttar sig den skelettdel som senan \u00e4r f\u00e4st i. Man kan d\u00e4rf\u00f6r s\u00e4ga att skelettet fungerar ungef\u00e4r som h\u00e4vst\u00e4nger.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/files.cloudrock.io\/wp-content\/uploads\/2019\/03\/kroppens_muskler_rorelse.jpg\" alt=\"illustration av hur biceps, en av kroppens muskler, arbetar\" \/><\/figure>\n\n\n\n<p><a href=\"https:\/\/www.artros.org\/skelett-och-leder\/anatomi-rygg\/\">Forts\u00e4tt l\u00e4sa om ryggens anatomi<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vi har ungef\u00e4r 640 muskler i kroppen. De hj\u00e4lper oss med allt ifr\u00e5n att st\u00e5 uppr\u00e4tt, spela fotboll och hj\u00e4lpa till med matsm\u00e4ltningen. Det finns ocks\u00e5 olika sorters muskler som har olika uppgifter. Vissa av dessa kan vi styra med viljan, andra inte. Det som alla kroppens muskler har gemensamt \u00e4r dock att de \u00e4r [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":2076,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1116],"tags":[],"class_list":["post-2073","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-anatomi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.7 (Yoast SEO v21.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Kroppens muskler och dess funktioner | Joint Academy<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.jointacademy.com\/se\/sv\/fakta\/anatomi\/kroppens-muskler\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kroppens muskler och dess funktioner\" \/>\n<meta property=\"og:description\" content=\"Vi har ungef\u00e4r 640 muskler i kroppen. 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