{"id":799,"date":"2004-12-08T09:10:00","date_gmt":"2004-12-08T08:10:00","guid":{"rendered":"https:\/\/kids.esa.int\/weak_muscles\/"},"modified":"2026-10-08T00:32:23","modified_gmt":"2026-10-07T22:32:23","slug":"weak_muscles","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/cs\/weak_muscles\/","title":{"rendered":"Slab\u00e9 svaly"},"content":{"rendered":"
\n

P\u0159i ch\u016fzi, zved\u00e1n\u00ed p\u0159edm\u011bt\u016f a ch\u016fzi po schodech se spol\u00e9h\u00e1me na sv\u00e9 svaly. Ve vesm\u00edru v\u0161ak svaly sl\u00e1bnou, proto\u017ee nemus\u00ed p\u0159ekon\u00e1vat gravitaci. Kdy\u017e se astronauti vr\u00e1t\u00ed na Zemi, kde panuje norm\u00e1ln\u00ed gravitace, najednou se c\u00edt\u00ed velmi t\u011b\u017ec\u00ed a maj\u00ed pot\u00ed\u017ee s udr\u017een\u00edm rovnov\u00e1hy. Podobn\u00e9 jevy se vyskytuj\u00ed u star\u0161\u00edch lid\u00ed a u t\u011bch, kte\u0159\u00ed kv\u016fli nemoci tr\u00e1v\u00ed dlouhou dobu v posteli.<\/p>\n<\/div>\n

V\u00fdzkum vesm\u00edru nab\u00edz\u00ed p\u0159\u00edle\u017eitost dozv\u011bd\u011bt se v\u00edce o dopadech dlouhodob\u00e9ho \u00fabytku svalov\u00e9 hmoty.<\/p>\n

\"Keeping
Udr\u017eov\u00e1n\u00ed fyzick\u00e9 kondice<\/figcaption><\/figure>\n

Testy s astronauty uk\u00e1zaly, \u017ee k prevenci svalov\u00e9 slabosti je zapot\u0159eb\u00ed n\u011bkolik hodin cvi\u010den\u00ed denn\u011b. Mezi p\u0159\u00edstroje pou\u017e\u00edvan\u00e9 ve vesm\u00edru pat\u0159\u00ed b\u011b\u017eeck\u00e9 p\u00e1sy pro b\u011bh na m\u00edst\u011b a rotopedy. Ty jsou d\u016fle\u017eit\u00e9 pro pos\u00edlen\u00ed sval\u016f a zlep\u0161en\u00ed krevn\u00edho ob\u011bhu.<\/p>\n

Astronauti mohou tak\u00e9 nosit speci\u00e1ln\u00ed kalhoty, kter\u00e9 p\u0159iv\u00e1d\u011bj\u00ed krev do nohou a nut\u00ed srdce pumpovat siln\u011bji. Tato a dal\u0161\u00ed opat\u0159en\u00ed, jako je nap\u0159\u00edklad l\u00e9\u010dba l\u00e9ky, mohou naj\u00edt uplatn\u011bn\u00ed i u pacient\u016f na Zemi.<\/p>\n

Jedn\u00edm z nov\u00fdch p\u0159\u00edstroj\u016f, kter\u00e9 vyv\u00edj\u00ed ESA, je cvi\u010debn\u00ed za\u0159\u00edzen\u00ed Flywheel. Obsahuje rotuj\u00edc\u00ed kolo a lze jej pou\u017e\u00edvat k cvi\u010den\u00ed jak ve vesm\u00edru, tak na Zemi. V \u00fanoru 2008 byl spole\u010dn\u011b s laborato\u0159\u00ed Columbus agentury ESA dopraven na Mezin\u00e1rodn\u00ed vesm\u00edrnou stanici a slou\u017e\u00ed jako modern\u00ed cvi\u010debn\u00ed za\u0159\u00edzen\u00ed pro astronauty. V budoucnu bude k dispozici tak\u00e9 pro pacienty v rekonvalescenci a pro tr\u00e9nink sportovc\u016f.<\/p>","protected":false},"excerpt":{"rendered":"

We rely on our muscles to walk, lift objects and climb stairs. However, in space muscles become weaker when there is no gravity to overcome. When astronauts come back to […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2000\/09\/jean-pierre_haignere_returns_from_mir2\/17866527-3-eng-GB\/Jean-Pierre_Haignere_returns_from_MIR.jpg","esa_banner_description":"Jean-Pierre Haigner\u00e9 returns from MIR","esa_banner_credit":"ESA\/CNES","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2000\/09\/Jean-Pierre_Haignere_returns_from_MIR2","esa_external_url":"","esa_external_new_window":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[10,13,63],"tags":[2],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-799","post","type-post","status-publish","format-standard","hentry","category-learn","category-life-in-space","category-living-in-space","tag-background-article"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/799","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/comments?post=799"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/799\/revisions"}],"predecessor-version":[{"id":4692,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/799\/revisions\/4692"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/media?parent=799"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/categories?post=799"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/tags?post=799"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/panel?post=799"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/language?post=799"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/age?post=799"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/duration?post=799"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/resource_type?post=799"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/audience?post=799"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/wf_post_folders?post=799"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}