{"id":214,"date":"2015-09-09T13:09:40","date_gmt":"2015-09-09T13:09:40","guid":{"rendered":"https:\/\/florentinailiescu.com\/masaj4\/?page_id=214"},"modified":"2015-09-09T13:09:50","modified_gmt":"2015-09-09T13:09:50","slug":"cresterea-fortei-musculare","status":"publish","type":"page","link":"https:\/\/old.masajmed.ro\/en\/servicii\/kinetoterapie\/cresterea-fortei-musculare.php","title":{"rendered":"Cresterea fortei musculare"},"content":{"rendered":"<p>Din punct de vedere biologic, forta reprezinta acea calitate fizica ce permite deplasarea in spatiu, mobilizarea unui segment in raport cu altul, invingerea unei rezistente externe sau dupa caz stabilizarea parghiilor corpului.<\/p>\n<p>Forta depinde de mai multi parametri:<\/p>\n<ul>\n<li>Diametrul de sectiune a muschiului: Exista o corelatie foarte stransa intre diametru (suprafata de sectiune) si hipertrofie musculara.<\/li>\n<li>Numarul de unitati motorii active: Experimental s-a constatat ca la subiecti sanatosi, nu la cei supraantrenati, in contractie cu forta maxima se ajunge la 70% din totalul unitatilor motorii active.<\/li>\n<li>Frecventa impulsurilor nervoase: Muschii posturali se gasesc in contractie tonica posturala si primesc impulsuri intre 5 si 25 impulsuri pe secunda.<\/li>\n<li>Sincronizarea activitatii unitatilor motorii active: Creste paralel cu antrenamentul. Subiectii ne antrenati sincronizeaza intr-un procent de circa 20%, in timp ce subiectii antrenati sincronizeaza pana la 80%.<\/li>\n<li>Marimea unitatii motorii: Unitatea motorie variaza ca dimensiune. Unitatile motorii mici au prag de excitabilitate mic, deci vor fi recrutate primele, dar activitatea lor determina tensiunea musculaturii slabe. in timp se recruteaza unitati motorii tot mai mari astfel, prin recrutarea unitatilor motorii tot mai mari, forta dezvoltata este tot mai mare.<\/li>\n<li>Raportul forta velocitate: Daca scurtarea este rapida forta dezvoltata in muschi scade, iar daca alungirea este rapida ea creste. De regula rapiditatea de contractie a unui muschi este de 1\/20 secunde. Daca se aplica o anumita incarcare viteza va scadea paralel cu cresterea greutatii.<\/li>\n<li>Raportul forta lungime: Daca muschiul este alungit peste lungimea tisulara normala, adica peste limita fiziologica structurala va rezulta paradoxal o forta scazuta. S-a constatat ca la lungirea unui muschi la de trei ori lungimea de echilibru se produce ruptura. Daca muschiul este scurtat se va produce tot contractura, dar mai mica.<\/li>\n<\/ul>\n<p>Din punct de vedere practic contractia muschiului poate fi de trei feluri:<\/p>\n<ol>\n<li>Contractie izometrica \u2013 in care tensiunea interna creste fara sa se modifice lungimea fibrei musculare.<\/li>\n<li>Contractia izotonica \u2013 lungimea fibrei musculare se modifica producandu-se miscari articulare, tensiunea muschiului fiind cvaziconstanta pe parcursul miscarii, iar forta musculara scade pe parcurs.<\/li>\n<li>Contractia izochinetica \u2013 reprezinta o contractie dinamica in care viteza este reglata cu rezistenta, astfel incat sa fie permanent proportionala cu forta dezvoltata, deci rezistenta urmareste variatiile lungimii fibrei.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Din punct de vedere biologic, forta reprezinta acea calitate fizica ce permite deplasarea in spatiu, mobilizarea unui segment in raport cu altul, invingerea unei rezistente\u2026<\/p>\n<p class=\"continue-reading-button\"> <a class=\"continue-reading-link\" href=\"https:\/\/old.masajmed.ro\/en\/servicii\/kinetoterapie\/cresterea-fortei-musculare.php\">mai multe detalii&#8230;<i class=\"crycon-right-dir\"><\/i><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":106,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-214","page","type-page","status-publish","hentry"],"translation":{"provider":"WPGlobus","version":"2.10.10","language":"en","enabled_languages":["ro","en"],"languages":{"ro":{"title":true,"content":true,"excerpt":false},"en":{"title":false,"content":false,"excerpt":false}}},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cresterea fortei musculare - Masajmed<\/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=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cresterea fortei musculare - Masajmed\" \/>\n<meta property=\"og:url\" content=\"https:\/\/old.masajmed.ro\/servicii\/kinetoterapie\/cresterea-fortei-musculare.php\" \/>\n<meta property=\"og:site_name\" content=\"Masajmed\" \/>\n<meta property=\"article:modified_time\" content=\"2015-09-09T13:09:50+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/old.masajmed.ro\/wp-content\/uploads\/2023\/02\/website-screenshot-masaj-birou-bucuresti.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"590\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/old.masajmed.ro\/servicii\/kinetoterapie\/cresterea-fortei-musculare.php\",\"url\":\"https:\/\/old.masajmed.ro\/servicii\/kinetoterapie\/cresterea-fortei-musculare.php\",\"name\":\"Cresterea fortei musculare - Masajmed\",\"isPartOf\":{\"@id\":\"https:\/\/old.masajmed.ro\/#website\"},\"datePublished\":\"2015-09-09T13:09:40+00:00\",\"dateModified\":\"2015-09-09T13:09:50+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/old.masajmed.ro\/servicii\/kinetoterapie\/cresterea-fortei-musculare.php#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/old.masajmed.ro\/servicii\/kinetoterapie\/cresterea-fortei-musculare.php\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/old.masajmed.ro\/servicii\/kinetoterapie\/cresterea-fortei-musculare.php#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Prima pagin\u0103\",\"item\":\"https:\/\/old.masajmed.ro\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Servicii\",\"item\":\"https:\/\/old.masajmed.ro\/servicii.php\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Kinetoterapie\",\"item\":\"https:\/\/old.masajmed.ro\/servicii\/kinetoterapie.php\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cresterea fortei musculare\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/old.masajmed.ro\/#website\",\"url\":\"https:\/\/old.masajmed.ro\/\",\"name\":\"Masaj Bucuresti: relaxare \u015fi energie la birou \u27bd MasajMed\",\"description\":\"Suntem specializati \u00een servicii complete de masaj la birou, recuperare medical\u0103, terapii alternative \u0219i relaxare corporal\u0103\",\"publisher\":{\"@id\":\"https:\/\/old.masajmed.ro\/#organization\"},\"alternateName\":\"Masaj de relaxare! 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