{"id":2022,"date":"2018-11-28T14:54:18","date_gmt":"2018-11-28T13:54:18","guid":{"rendered":"http:\/\/www.mc-praha.cz\/mcp\/?p=2022"},"modified":"2024-02-05T10:16:52","modified_gmt":"2024-02-05T09:16:52","slug":"svalova_vykonnost","status":"publish","type":"post","link":"https:\/\/www.mc-praha.cz\/mcp\/svalova_vykonnost\/","title":{"rendered":"Svalov\u00e1 v\u00fdkonnost"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p style=\"background: white; vertical-align: baseline; margin: 0cm 0cm 7.5pt 0cm;\"><strong>Sportovn\u00ed v\u00fdkonnost z\u00e1vis\u00ed na mnoha faktorech, z nich\u017e \u010d\u00e1st m\u00e1 genetick\u00fd p\u016fvod. Geny se pod\u00edl\u00ed z 20\u201380 % na individu\u00e1ln\u00edch rozd\u00edlech, a to p\u0159edev\u0161\u00edm ve vyu\u017eit\u00ed kysl\u00edku, srde\u010dn\u00ed v\u00fdkonnosti nebo ve slo\u017een\u00ed svalov\u00fdch vl\u00e1ken. <\/strong><\/p>\n<p style=\"background: white; vertical-align: baseline; margin: 0cm 0cm 7.5pt 0cm;\">Kostern\u00ed sval je tvo\u0159en dlouh\u00fdmi svalov\u00fdmi vl\u00e1kny. Ka\u017ed\u00e9 svalov\u00e9 vl\u00e1kno obsahuje myofibrily, kter\u00e9 se skl\u00e1daj\u00ed z filament. Existuj\u00ed dva typy filament: aktin (tenk\u00e9) a myosin (tlust\u00e9).<\/p>\n<p style=\"background: white; vertical-align: baseline; margin: 0cm 0cm 7.5pt 0cm;\">Pod mikroskopem m\u016f\u017eeme na svalech pozorovat \u017e\u00edh\u00e1n\u00ed, kter\u00e9 je zp\u016fsobeno pravideln\u00fdm st\u0159\u00edd\u00e1n\u00edm aktinu a myosinu v myofibril\u00e1ch.<\/p>\n<p style=\"background: white; vertical-align: baseline; margin: 0cm 0cm 7.5pt 0cm;\">Jejich vz\u00e1jemn\u00e1 interakce umo\u017e\u0148uje svalov\u00fd stah neboli kontrakci. Vl\u00e1kna aktinu jsou udr\u017eov\u00e1na ve stabiln\u00ed form\u011b pomoc\u00ed aktininu 2 (gen ACTN2) nebo 3 (gen ACTN3).<\/p>\n<p style=\"background: white; vertical-align: baseline; margin: 0cm 0cm 7.5pt 0cm;\">Rozli\u0161uj\u00ed se svaly pomal\u00e9 (konaj\u00edc\u00ed statickou pr\u00e1ci, m\u00e9n\u011b v\u00fdkonn\u00e9, m\u00e9n\u011b unaviteln\u00e9 \u2212 nap\u0159. postur\u00e1ln\u00ed svaly) a rychl\u00e9 (umo\u017e\u0148uj\u00ed rychl\u00fd, intenzivn\u00ed, ale kr\u00e1tkodob\u00fd v\u00fdkon \u2013 nap\u0159. svaly pa\u017ee).<\/p>\n<p style=\"background: white; vertical-align: baseline; margin: 0cm 0cm 7.5pt 0cm;\">ACTN3 je sou\u010d\u00e1st\u00ed zejm\u00e9na rychl\u00fdch sval\u016f (v\u00fdbu\u0161nost, sprint), zat\u00edmco ACTN2 sval\u016f pomal\u00fdch (vytrvalost).<\/p>\n<p style=\"background: white; vertical-align: baseline; margin: 0cm 0cm 7.5pt 0cm;\">Jedin\u00e1 jednonukleotidov\u00e1 zm\u011bna m\u016f\u017ee vypnout gen ACTN3.Tento stav nezp\u016fsobuje \u017e\u00e1dnou nemoc, roli v svalov\u00e9 kontrakci p\u0159eb\u00edr\u00e1 ACTN2.<\/p>\n<p>&nbsp;<\/p>\n<p>Dal\u0161\u00ed podrobnosti naleznete na webov\u00fdch str\u00e1nk\u00e1ch <a href=\"http:\/\/www.qgen.cz\">www.qgen.cz<\/a><\/p>\n<p>Term\u00edn l\u00e9ka\u0159sk\u00e9ho vy\u0161et\u0159en\u00ed si m\u016f\u017eete rezervovat <a href=\"http:\/\/extranet.mc-praha.cz\/\">zde.<\/a><\/p>\n<p>Laboratorn\u00ed vy\u0161et\u0159en\u00ed si m\u016f\u017eete objednat<a href=\"https:\/\/extranet.mc-praha.cz\/#\/laboratory\"> zde<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Sportovn\u00ed v\u00fdkonnost z\u00e1vis\u00ed na mnoha faktorech, z nich\u017e \u010d\u00e1st m\u00e1 genetick\u00fd p\u016fvod. Geny se [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"link","meta":{"_uag_custom_page_level_css":""},"categories":[9],"tags":[],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"boldthemes_grid":false,"boldthemes_grid_11":false,"boldthemes_grid_22":false,"boldthemes_grid_21":false,"boldthemes_grid_12":false,"boldthemes_latest_posts":false,"boldthemes_grid_gallery":false},"uagb_author_info":{"display_name":"Jbednar","author_link":"https:\/\/www.mc-praha.cz\/mcp\/author\/jbednar\/"},"uagb_comment_info":0,"uagb_excerpt":"&nbsp; Sportovn\u00ed v\u00fdkonnost z\u00e1vis\u00ed na mnoha faktorech, z nich\u017e \u010d\u00e1st m\u00e1 genetick\u00fd p\u016fvod. Geny se [&hellip;]","post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/www.mc-praha.cz\/mcp\/wp-json\/wp\/v2\/posts\/2022"}],"collection":[{"href":"https:\/\/www.mc-praha.cz\/mcp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mc-praha.cz\/mcp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mc-praha.cz\/mcp\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mc-praha.cz\/mcp\/wp-json\/wp\/v2\/comments?post=2022"}],"version-history":[{"count":6,"href":"https:\/\/www.mc-praha.cz\/mcp\/wp-json\/wp\/v2\/posts\/2022\/revisions"}],"predecessor-version":[{"id":4546,"href":"https:\/\/www.mc-praha.cz\/mcp\/wp-json\/wp\/v2\/posts\/2022\/revisions\/4546"}],"wp:attachment":[{"href":"https:\/\/www.mc-praha.cz\/mcp\/wp-json\/wp\/v2\/media?parent=2022"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mc-praha.cz\/mcp\/wp-json\/wp\/v2\/categories?post=2022"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mc-praha.cz\/mcp\/wp-json\/wp\/v2\/tags?post=2022"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}