Ultramaratony, z\u00e1vody, kter\u00e9 se t\u00e1hnou daleko za tradi\u010dn\u00ed marat\u00f3nskou vzd\u00e1lenost 26,2 m\u00edle, p\u0159edstavuj\u00ed jedine\u010dn\u00e9 v\u00fdzvy pro lidsk\u00e9 t\u011blo. I kdy\u017e b\u011bh nab\u00edz\u00ed \u0159adu zdravotn\u00edch v\u00fdhod, tyto extr\u00e9mn\u00ed z\u00e1vody mohou tak\u00e9 v\u00e9st k p\u0159ekvapiv\u00fdm fyziologick\u00fdm zm\u011bn\u00e1m.<\/p>\n\n
Ned\u00e1vn\u00e1 studie proveden\u00e1 v\u011bdci v univerzitn\u00ed nemocnici v Ulmu v N\u011bmecku zkoumala \u00fa\u010dinky ultramaraton\u016f na objem mozku. Studie sledovala 44 b\u011b\u017ec\u016f, kte\u0159\u00ed se z\u00fa\u010dastnili Trans-Europe Footrace, n\u00e1ro\u010dn\u00e9ho 64denn\u00edho z\u00e1vodu dlouh\u00e9ho 2788 mil.<\/p>\n\n
Skenov\u00e1n\u00ed MRI odhalilo, \u017ee 13 b\u011b\u017ec\u016f zaznamenalo b\u011bhem z\u00e1vodu do\u010dasn\u00e9 sn\u00ed\u017een\u00ed objemu mozku. Toto zmen\u0161en\u00ed bylo potenci\u00e1ln\u011b p\u0159i\u010d\u00edt\u00e1no nedostate\u010dn\u00e9 stimulaci mozku, proto\u017ee b\u011b\u017eci se soust\u0159edili pouze na udr\u017een\u00ed pohybu vp\u0159ed po del\u0161\u00ed dobu.<\/p>\n\n
Studie v\u0161ak tak\u00e9 zjistila, \u017ee b\u011b\u017eci z\u00edskali sv\u016fj ztracen\u00fd objem mozku zp\u011bt do osmi m\u011bs\u00edc\u016f po z\u00e1vod\u011b. To nazna\u010duje, \u017ee zm\u011bny mozku byly do\u010dasn\u00e9 a netrval\u00e9.<\/p>\n\n
Krom\u011b zm\u011bn v mozku studie tak\u00e9 zaznamenala zm\u011bny v kloubech a chrupavk\u00e1ch b\u011b\u017ec\u016f. Po p\u0159ibli\u017en\u011b 1 553 m\u00edl\u00edch v\u011bdci zaznamenali zn\u00e1mky po\u0161kozen\u00ed chrupavky, co\u017e nazna\u010duje opot\u0159eben\u00ed kloub\u016f. Po tomto bod\u011b v\u0161ak b\u011b\u017eci za\u010dali svou chrupavku znovu budovat, a to i bez odpo\u010dinku.<\/p>\n\n
V\u00fdsledky studie zd\u016fraz\u0148uj\u00ed pozoruhodnou schopnost lidsk\u00e9ho t\u011bla p\u0159izp\u016fsobit se extr\u00e9mn\u00edm fyzick\u00fdm v\u00fdzv\u00e1m. Navzdory do\u010dasn\u00e9mu sn\u00ed\u017een\u00ed velikosti mozku a po\u0161kozen\u00ed kloub\u016f prok\u00e1zali b\u011b\u017eci p\u016fsobivou schopnost zotaven\u00ed.<\/p>\n\n
I kdy\u017e ultramaratony mohou poskytnout v\u00fdznamn\u00e9 fyzick\u00e9 v\u00fdhody, je d\u016fle\u017eit\u00e9 si uv\u011bdomit potenci\u00e1ln\u00ed rizika a v\u00fdzvy spojen\u00e9 s t\u011bmito extr\u00e9mn\u00edmi z\u00e1vody. B\u011b\u017eci by se m\u011bli poradit se zdravotnick\u00fdmi pracovn\u00edky, aby posoudili svou vhodnost pro tak nam\u00e1havou aktivitu.<\/p>\n\n
Obecn\u011b m\u00e1 cvi\u010den\u00ed mnoho v\u00fdhod pro zdrav\u00ed mozku. Pravideln\u00e1 fyzick\u00e1 aktivita m\u016f\u017ee zlep\u0161it kognitivn\u00ed funkce, pos\u00edlit n\u00e1ladu a sn\u00ed\u017eit riziko neurodegenerativn\u00edch onemocn\u011bn\u00ed. Je v\u0161ak d\u016fle\u017eit\u00e9 poznamenat, \u017ee extr\u00e9mn\u00ed cvi\u010den\u00ed, jako jsou ultramaratony, m\u016f\u017ee v\u00e9st k do\u010dasn\u00fdm zm\u011bn\u00e1m mozku.<\/p>\n\n
Ultramaratony p\u0159in\u00e1\u0161ej\u00ed lidsk\u00e9mu t\u011blu jak p\u0159\u00edle\u017eitosti, tak v\u00fdzvy. I kdy\u017e tyto z\u00e1vody mohou nab\u00eddnout jedine\u010dn\u00e9 fyzick\u00e9 a psychick\u00e9 v\u00fdhody, je z\u00e1sadn\u00ed p\u0159istupovat k nim s opatrnost\u00ed a b\u00fdt si v\u011bdom potenci\u00e1ln\u00edch rizik. Je pot\u0159eba dal\u0161\u00edho v\u00fdzkumu, aby bylo mo\u017en\u00e9 pln\u011b porozum\u011bt dlouhodob\u00fdm \u00fa\u010dink\u016fm b\u011bhu ultramaratonu na mozek a t\u011blo.<\/p>","protected":false},"excerpt":{"rendered":"
Ultramaratony: Vliv na mozek a t\u011blo \u00davod Ultramaratony, z\u00e1vody, kter\u00e9 se t\u00e1hnou daleko za tradi\u010dn\u00ed marat\u00f3nskou vzd\u00e1lenost 26,2 m\u00edle, p\u0159edstavuj\u00ed jedine\u010dn\u00e9 v\u00fdzvy pro lidsk\u00e9 t\u011blo. I kdy\u017e b\u011bh nab\u00edz\u00ed \u0159adu…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[777],"tags":[2304,2306,2307,2305,2302,2308,2303],"class_list":["post-986","post","type-post","status-publish","format-standard","hentry","category-health-and-fitness","tag-body-adaptation","tag-extreme-exercise","tag-human-body","tag-physiological-changes","tag-ultra-marathons","tag-science-of-running","tag-brain-health"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/986","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=986"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/986\/revisions"}],"predecessor-version":[{"id":987,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/986\/revisions\/987"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=986"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=986"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=986"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}