{"id":131618,"date":"2018-05-29T09:44:17","date_gmt":"2018-05-29T08:44:17","guid":{"rendered":"http:\/\/zakrasnejsivimperk.cz\/?p=131618"},"modified":"2018-05-29T09:44:17","modified_gmt":"2018-05-29T08:44:17","slug":"dtest-moderni-test-cyklohelem-bezpecnostni-normy-jsou-zastarale","status":"publish","type":"post","link":"https:\/\/zakrasnejsivimperk.cz\/?p=131618","title":{"rendered":"dTEST: Modern\u00ed test cyklohelem: Bezpe\u010dnostn\u00ed normy jsou zastaral\u00e9"},"content":{"rendered":"

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Ilustra\u010dn\u00ed foto: pixabay<\/em><\/p>\n

Cyklistick\u00e1 helma by m\u011bla b\u00fdt d\u016fle\u017eitou sou\u010d\u00e1st\u00ed cyklistick\u00e9ho vybaven\u00ed, nebo\u0165 p\u00e1dy z kola m\u016f\u017eou b\u00fdt fat\u00e1ln\u00ed. Spot\u0159ebitelsk\u00fd \u010dasopis dTest otestoval 22 vzork\u016f cyklistick\u00fdch helem novou laboratorn\u00ed metodou, aby prov\u011b\u0159il jejich schopnost ochr\u00e1nit hlavu p\u0159ed zran\u011bn\u00edm mozku. N\u00e1razov\u00e9 zkou\u0161ky odhalily, \u017ee a\u010dkoliv helmy spl\u0148uj\u00ed sou\u010dasnou z\u00e1konnou normu, v\u011bt\u0161inou nedok\u00e1\u017eou ochr\u00e1nit mozek p\u0159i \u0161ikm\u00e9m n\u00e1razu hlavy do p\u0159ek\u00e1\u017eky.<\/h6>\n

\"\"Nez\u00e1visl\u00fd test cyklistick\u00fdch helem prob\u00edhal ve spolupr\u00e1ci \u010dasopisu dTest s laborato\u0159emi Univerzity ve \u0160trasburku a francouzskou nadac\u00ed MAIF. V\u011bde\u010dt\u00ed pracovn\u00edci pou\u017eili novou testovac\u00ed metodu, kter\u00e1 p\u0159epo\u010d\u00edt\u00e1vala pr\u016fm\u011brn\u00e9 zat\u00ed\u017een\u00ed nervov\u00fdch vl\u00e1ken mozku p\u0159i n\u00e1razu do p\u0159ek\u00e1\u017eky. Podle nam\u011b\u0159en\u00e9ho zat\u00ed\u017een\u00ed jednotliv\u00fdch \u010d\u00e1st\u00ed digit\u00e1ln\u00edho modelu lidsk\u00e9 hlavy se pak hodnotila pravd\u011bpodobnost ot\u0159esu mozku. \u201eKa\u017edou helmu jsme nechali ve dvacetikilometrov\u00e9 rychlosti padnout na vodorovnou nebo \u0161ikmou p\u0159ek\u00e1\u017eku, a to pod r\u016fzn\u00fdmi \u00fahly. \u00da\u010delem testu bylo nasimulovat v\u0161emo\u017en\u00e9 situace, do kter\u00fdch se m\u016f\u017ee cyklista p\u0159i p\u00e1du dostat,\u201c<\/em> vysv\u011btluje Hana Hoffmannov\u00e1, \u0161\u00e9fredaktorka \u010dasopisu dTest.<\/p>\n

V\u00fdsledky testu uk\u00e1zaly, \u017ee v\u011bt\u0161ina helem nedok\u00e1\u017ee mozek ochr\u00e1nit p\u0159i n\u00e1razu do sp\u00e1nkov\u00e9 oblasti hlavy. Helmy sice spl\u0148uj\u00ed platnou normu \u010cSN EN 1078 z roku 1997, ale ta u\u017e je zastaral\u00e1. Norma hl\u00edd\u00e1, aby maxim\u00e1ln\u00ed zrychlen\u00ed p\u0159i n\u00e1razu nep\u0159es\u00e1hlo hodnotu 250 g. \u201eOdborn\u00edci z laborato\u0159e \u0160trasbursk\u00e9 univerzity pova\u017euj\u00ed sou\u010dasnou normu na bezpe\u010dnost p\u0159ileb za nedostate\u010dnou a zastaralou, proto\u017ee nebere v potaz \u0161ikm\u00e9 n\u00e1razy do hlavy ani rota\u010dn\u00ed akceleraci hlavy. Norma d\u00e1le nehled\u00ed ani na to, zda do p\u0159ek\u00e1\u017eky cyklista naraz\u00ed \u010delem, nebo sp\u00e1nkem. P\u0159itom sp\u00e1nkov\u00e1 oblast je nejzraniteln\u011bj\u0161\u00ed \u010d\u00e1st\u00ed hlavy,\u201c<\/em> vysv\u011btluje Hana Hoffmannov\u00e1 a dod\u00e1v\u00e1: \u201eV p\u0159\u00edpad\u011b naprost\u00e9 v\u011bt\u0161iny testovan\u00fdch helem bylo riziko zran\u011bn\u00ed p\u0159i bo\u010dn\u00edm p\u00e1du na sp\u00e1nkovou kost 90% \u010di je\u0161t\u011b vy\u0161\u0161\u00ed.\u201c<\/em><\/p>\n

Cesta k bezpe\u010dn\u011bj\u0161\u00edm helm\u00e1m vede p\u0159es modernizaci test\u016f, kter\u00fdm v\u00fdrobci podrobuj\u00ed sv\u00e9 produkty, a zaveden\u00ed p\u0159\u00edsn\u011bj\u0161\u00edch z\u00e1konn\u00fdch norem. \u201eModernizaci norem ale nejsou naklon\u011bni n\u011bkte\u0159\u00ed v\u00fdrobci, kte\u0159\u00ed v\u011bdce \u010das od \u010dasu zavaluj\u00ed dopisy zpochyb\u0148uj\u00edc\u00edmi inovativn\u00ed metodu, kter\u00e1 byla pou\u017eita v na\u0161ich testech. A to p\u0159esto, \u017ee se jejich marketingov\u00e1 odd\u011blen\u00ed r\u00e1da p\u0159edh\u00e1n\u011bj\u00ed v uk\u00e1zk\u00e1ch toho, jak moc jim z\u00e1le\u017e\u00ed na neust\u00e1l\u00e9m zlep\u0161ov\u00e1n\u00ed bezpe\u010dnostn\u00edch standard\u016f,\u201c<\/em> vysv\u011btluje Hana Hoffmannov\u00e1. D\u016fle\u017eitou roli proto hraj\u00ed spot\u0159ebitelsk\u00e9 organizace jako je dTest, kter\u00e9 na nedostate\u010dnou bezpe\u010dnost ochrann\u00fdch pom\u016fcek poukazuj\u00ed.<\/p>\n

Zran\u011bn\u00ed z kola nen\u00ed m\u00e1lo. Vloni u n\u00e1s zahynulo celkem 44 cyklist\u016f a 353 jich utrp\u011blo t\u011b\u017ek\u00e1 zran\u011bn\u00ed. Z lo\u0148sk\u00fdch statistik d\u00e1le vypl\u00fdv\u00e1, \u017ee 37 z celkem 44 usmrcen\u00fdch cyklist\u016f nem\u011blo helmu. \u201eP\u0159i p\u00e1du z kola doch\u00e1z\u00ed bu\u010f k leh\u010d\u00edm \u00faraz\u016fm jako je ot\u0159es nebo zhmo\u017ed\u011bn\u00ed mozku nebo k v\u00e1\u017en\u011bj\u0161\u00edm \u00faraz\u016fm jako jsou zlomeniny lebky, otoky nebo mozkov\u00e9 krv\u00e1cen\u00ed. V takov\u00fdch p\u0159\u00edpadech mohou b\u00fdt n\u00e1sledky nevratn\u00e9. V nejhor\u0161\u00edm kon\u010d\u00ed p\u00e1dy z kola smrt\u00ed. Cyklistickou helmu by m\u011bly nosit nejen d\u011bti, ale hlavn\u011b senio\u0159i a v\u0161ichni ti, kte\u0159\u00ed u\u017e\u00edvaj\u00ed l\u00e9ky proti sr\u00e1\u017een\u00ed krve,\u201c<\/em> vysv\u011btluje neurochirurg MUDr. Martin Bl\u00e1ha, PhD. z Fakultn\u00ed nemocnice v Motole.\u201c<\/p>\n

\u010cesk\u00e1 republika pat\u0159\u00ed k nejp\u0159\u00edsn\u011bj\u0161\u00edm zem\u00edm v Evrop\u011b \u2013 pro cyklisty mlad\u0161\u00ed 18 let je no\u0161en\u00ed helmy povinn\u00e9, dosp\u011bl\u00ed se mohou \u0159\u00eddit vlastn\u00edm rozhodnut\u00edm. \u010casopis dTest doporu\u010duje pou\u017e\u00edvat helmu p\u0159i ka\u017ed\u00e9 vyj\u00ed\u017e\u010fce na kole, brusl\u00edch nebo kolob\u011b\u017ece bez ohledu na v\u011bk. P\u0159esto\u017ee se kvalita p\u0159ileb dost li\u0161\u00ed, ka\u017ed\u00e1 spr\u00e1vn\u011b nasazen\u00e1 helma ochr\u00e1n\u00ed hlavu l\u00e9pe, ne\u017e \u017e\u00e1dn\u00e1 helma.<\/p>\n

Inovativn\u00ed metoda laboratorn\u00edho testov\u00e1n\u00ed cyklistick\u00fdch helem je pops\u00e1na na webu www.dtest.cz\/jak-testujeme-cyklohelmy.<\/strong><\/a> P\u0159ehled 22 testovan\u00fdch cyklistick\u00fdch helem najdete na www.dtest.cz<\/strong><\/a>. Kompletn\u00ed v\u00fdsledky testu p\u0159ineslo kv\u011btnov\u00e9 vyd\u00e1n\u00ed \u010dasopisu dTest<\/strong><\/a>.<\/p>\n

Text a foto: dTEST<\/strong><\/p>\n

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Ilustra\u010dn\u00ed foto: <\/p>\n","protected":false},"author":2,"featured_media":131629,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"gallery","meta":{"footnotes":""},"categories":[87],"tags":[],"jetpack_featured_media_url":"https:\/\/zakrasnejsivimperk.cz\/wp-content\/uploads\/2018\/05\/29\/r\u00e1me\u010dek-test-helmy.jpg","_links":{"self":[{"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=\/wp\/v2\/posts\/131618"}],"collection":[{"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=131618"}],"version-history":[{"count":2,"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=\/wp\/v2\/posts\/131618\/revisions"}],"predecessor-version":[{"id":131632,"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=\/wp\/v2\/posts\/131618\/revisions\/131632"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=\/wp\/v2\/media\/131629"}],"wp:attachment":[{"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=131618"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=131618"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=131618"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}