{"id":14239,"date":"2023-08-01T01:24:01","date_gmt":"2023-08-01T01:24:01","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=14239"},"modified":"2023-08-01T01:24:01","modified_gmt":"2023-08-01T01:24:01","slug":"artificial-gravity-bed-rest-study-improves-health-for-astronauts-and-people-on-earth","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/science\/space-science\/artificial-gravity-bed-rest-study-improves-health-for-astronauts-and-people-on-earth\/","title":{"rendered":"Dobrovoln\u00edci str\u00e1vili 60 dn\u00ed na l\u016f\u017eku, aby simulovali podm\u00ednky ve vesm\u00edru"},"content":{"rendered":"

Dobrovoln\u00edci str\u00e1vili 60 dn\u00ed na l\u016f\u017eku, aby simulovali podm\u00ednky ve vesm\u00edru<\/h2>\n\n

Astronauti<\/strong> \u010del\u00ed ve vesm\u00edru mnoha v\u00fdzv\u00e1m, v\u010detn\u011b \u00fa\u010dink\u016f mikrogravitace<\/strong> na jejich t\u011bla. Hustota kost\u00ed<\/strong> kles\u00e1, svaly ochabuj\u00ed a t\u011blesn\u00e9 tekutiny se p\u0159esouvaj\u00ed, co\u017e vede k probl\u00e9m\u016fm se zrakem.<\/p>\n\n

Aby tyto \u00fa\u010dinky potla\u010dili, 12 dobrovoln\u00edk\u016f<\/strong> se \u00fa\u010dastn\u00ed studie BRACE (Bed Rest with Artificial Gravity and Cycling Exercise). Studie prob\u00edh\u00e1 pod veden\u00edm Institutu pro kosmickou medic\u00ednu a fyziologii (MEDES) a za podpory Evropsk\u00e9 kosmick\u00e9 agentury (ESA)<\/strong> a Francouzsk\u00e9 kosmick\u00e9 agentury (CNES). Studuje \u00fa\u010dinky um\u011bl\u00e9 gravitace<\/strong> na astronauty<\/strong>.<\/p>\n\n

Design studie<\/h2>\n\n

\u00da\u010dastn\u00edci, zdrav\u00ed mu\u017ei ve v\u011bku 20\u201345 let, jsou rozd\u011bleni do t\u0159\u00ed skupin:<\/p>\n\n

    \n
  • Kontroln\u00ed skupina: Odpo\u010d\u00edv\u00e1 na l\u016f\u017eku po dobu 60 dn\u016f<\/li>\n
  • Odpo\u010dinek na l\u016f\u017eku s j\u00edzdou na kole: Odpo\u010d\u00edv\u00e1 na l\u016f\u017eku a pravideln\u011b cvi\u010d\u00ed na cyklistick\u00e9m trena\u017e\u00e9ru<\/li>\n
  • Odpo\u010dinek na l\u016f\u017eku s j\u00edzdou na kole a centrifugou<\/strong>: Odpo\u010d\u00edv\u00e1 na l\u016f\u017eku, jezd\u00ed na kole a pravideln\u011b se ot\u00e1\u010d\u00ed v centrifuze<\/strong>, aby simulovali um\u011blou gravitaci<\/strong><\/li>\n<\/ul>\n\n

    V\u0161ichni \u00fa\u010dastn\u00edci mus\u00ed m\u00edt neust\u00e1le alespo\u0148 jedno rameno na l\u016f\u017eku. B\u011bhem \u010dty\u0159 let obdr\u017e\u00ed platby ve v\u00fd\u0161i 19 300 USD.<\/p>\n\n

    Fyziologick\u00e1 m\u011b\u0159en\u00ed<\/h2>\n\n

    P\u0159ed a po 60denn\u00edm obdob\u00ed odpo\u010dinku na l\u016f\u017eku provedou v\u011bdci \u0159adu fyziologick\u00fdch test\u016f, v\u010detn\u011b:<\/p>\n\n

      \n
    • Neurologick\u00e9 zdrav\u00ed<\/li>\n
    • Kardiovaskul\u00e1rn\u00ed zdrav\u00ed<\/li>\n
    • Metabolick\u00e9 zdrav\u00ed<\/li>\n
    • Svalov\u00e9 zdrav\u00ed<\/li>\n
    • Zdrav\u00ed kost\u00ed<\/li>\n
    • \n

      Mo\u010dov\u00e9, krevn\u00ed, oftalmologick\u00e9 a psychologick\u00e9 vy\u0161et\u0159en\u00ed<\/p>\n

      tato m\u011b\u0159en\u00ed pomohou v\u011bdc\u016fm pochopit \u00fa\u010dinky um\u011bl\u00e9 gravitace<\/strong> na lidsk\u00e9 t\u011blo.<\/p>\n<\/li>\n<\/ul>\n\n

      Aplikace pro vesm\u00edr a Zemi<\/h2>\n\n

      Um\u011bl\u00e1 gravitace<\/strong> by mohla zlep\u0161it zdrav\u00ed astronaut\u016f<\/strong> p\u0159i dlouhodob\u00fdch vesm\u00edrn\u00fdch mis\u00edch. M\u016f\u017ee m\u00edt tak\u00e9 aplikace pro lidi na Zemi, jako nap\u0159\u00edklad:<\/p>\n\n

        \n
      • Senio\u0159i<\/li>\n
      • Pacienti upoutan\u00ed na l\u016f\u017eko<\/li>\n
      • Lid\u00e9 s muskuloskelet\u00e1ln\u00edmi probl\u00e9my<\/li>\n
      • Lid\u00e9 s osteopor\u00f3zou<\/li>\n<\/ul>\n\n

        Studie odpo\u010dinku na l\u016f\u017eku<\/strong>, jako je BRACE, poskytuj\u00ed cenn\u00e9 poznatky o \u00fa\u010dinc\u00edch imobilizace na lidsk\u00e9 t\u011blo. Tento v\u00fdzkum lze vyu\u017e\u00edt v rehabilita\u010dn\u00edch programech pro pacienty zotavuj\u00edc\u00ed se z operace nebo z\u00e1va\u017en\u00e9ho onemocn\u011bn\u00ed.<\/p>\n\n

        Cyklistika na l\u016f\u017eku zlep\u0161uje zdrav\u00ed kost\u00ed astronaut\u016f<\/h2>\n\n

        Studie BRACE je prvn\u00ed v Evrop\u011b, kter\u00e1 zahrnuje cyklistiku jako sou\u010d\u00e1st protokolu odpo\u010dinku na l\u016f\u017eku<\/strong>. V\u011bdci v\u011b\u0159\u00ed, \u017ee cyklistika<\/strong> m\u016f\u017ee pomoci udr\u017eet hustotu kost\u00ed<\/strong> u astronaut\u016f<\/strong>.<\/p>\n\n

        P\u0159edchoz\u00ed studie uk\u00e1zaly, \u017ee odpo\u010dinek na l\u016f\u017eku<\/strong> m\u016f\u017ee v\u00e9st k poklesu hustoty kost\u00ed<\/strong> o 1\u20131,5 % za m\u011bs\u00edc. To je v\u00fdznamn\u00fd probl\u00e9m pro astronauty<\/strong>, kte\u0159\u00ed mohou str\u00e1vit ve vesm\u00edru m\u011bs\u00edce nebo dokonce roky.<\/p>\n\n

        Cyklistika<\/strong> je cvi\u010den\u00ed s v\u00e1hou, kter\u00e9 m\u016f\u017ee pomoci udr\u017eet hustotu kost\u00ed<\/strong>. Za\u0159azen\u00edm cyklistiky<\/strong> do studie BRACE doufaj\u00ed v\u011bdci, \u017ee se dozv\u011bd\u00ed v\u00edce o \u00fa\u010dinc\u00edch um\u011bl\u00e9 gravitace<\/strong> na zdrav\u00ed kost\u00ed<\/strong>.<\/p>\n\n

        Cyklistika s um\u011blou gravitac\u00ed zlep\u0161uje kardiovaskul\u00e1rn\u00ed zdrav\u00ed astronaut\u016f<\/h2>\n\n

        Cyklistika s um\u011blou gravitac\u00ed<\/strong> m\u016f\u017ee tak\u00e9 zlep\u0161it kardiovaskul\u00e1rn\u00ed zdrav\u00ed astronaut\u016f<\/strong>. Ve vesm\u00edru zp\u016fsobuje absence gravitace posun t\u011blesn\u00fdch tekutin, co\u017e vyv\u00edj\u00ed tlak na srdce a krevn\u00ed c\u00e9vy. To m\u016f\u017ee v\u00e9st ke sn\u00ed\u017een\u00ed objemu krve a poklesu krevn\u00edho tlaku.<\/p>\n\n

        Cyklistika s um\u011blou gravitac\u00ed<\/strong> m\u016f\u017ee pomoci t\u011bmto \u00fa\u010dink\u016fm \u010delit zv\u00fd\u0161en\u00edm pr\u016ftoku krve a udr\u017een\u00edm krevn\u00edho tlaku. To m\u016f\u017ee sn\u00ed\u017eit riziko kardiovaskul\u00e1rn\u00edch probl\u00e9m\u016f u astronaut\u016f<\/strong> na dlouhodob\u00fdch vesm\u00edrn\u00fdch mis\u00edch.<\/p>\n\n

        Z\u00e1v\u011br<\/h2>\n\n

        Studie BRACE poskytuje cenn\u00e9 poznatky o \u00fa\u010dinc\u00edch um\u011bl\u00e9 gravitace<\/strong> na lidsk\u00e9 t\u011blo. Tento v\u00fdzkum by mohl v\u00e9st k nov\u00fdm zp\u016fsob\u016fm, jak zlep\u0161it zdrav\u00ed astronaut\u016f<\/strong> ve vesm\u00edru a lid\u00ed se sn\u00ed\u017eenou pohyblivost\u00ed na Zemi.<\/p>","protected":false},"excerpt":{"rendered":"

        Dobrovoln\u00edci str\u00e1vili 60 dn\u00ed na l\u016f\u017eku, aby simulovali podm\u00ednky ve vesm\u00edru Astronauti \u010del\u00ed ve vesm\u00edru mnoha v\u00fdzv\u00e1m, v\u010detn\u011b \u00fa\u010dink\u016f mikrogravitace na jejich t\u011bla. Hustota kost\u00ed kles\u00e1, svaly ochabuj\u00ed a t\u011blesn\u00e9…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[476],"tags":[1231,19121,19122,504,19120,434,2390,666],"class_list":["post-14239","post","type-post","status-publish","format-standard","hentry","category-space-science","tag-astronauts","tag-bone-density","tag-health-innovation","tag-cardiovascular-health","tag-bed-rest","tag-space-exploration","tag-artificial-gravity","tag-life-science-art"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/14239","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=14239"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/14239\/revisions"}],"predecessor-version":[{"id":14240,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/14239\/revisions\/14240"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=14239"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=14239"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=14239"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}