{"id":3246,"date":"2024-07-21T00:04:14","date_gmt":"2024-07-21T03:04:14","guid":{"rendered":"https:\/\/elreportivo.cl\/olimpia\/?p=3246"},"modified":"2024-07-21T00:04:16","modified_gmt":"2024-07-21T03:04:16","slug":"3246","status":"publish","type":"post","link":"https:\/\/elreportivo.cl\/olimpia\/2024\/07\/21\/3246\/","title":{"rendered":""},"content":{"rendered":"\n<div class=\"wp-block-cover alignfull\" style=\"padding-top:20px;padding-right:20px;padding-bottom:20px;padding-left:20px;min-height:635px;aspect-ratio:unset;\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-80 has-background-dim\"><\/span><img decoding=\"async\" class=\"wp-block-cover__image-background wp-image-168\" alt=\"\" src=\"https:\/\/elreportivodeolimpia.cl\/wp-content\/uploads\/2022\/08\/sports-tools.jpg\" data-object-fit=\"cover\"\/><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<div class=\"wp-block-media-text alignfull is-stacked-on-mobile is-vertically-aligned-center\"><figure class=\"wp-block-media-text__media\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/elreportivo.cl\/olimpia\/wp-content\/uploads\/2024\/07\/02-EN-MOVI-2-1024x576.jpg\" alt=\"\" class=\"wp-image-3247 size-full\" srcset=\"https:\/\/elreportivo.cl\/olimpia\/wp-content\/uploads\/2024\/07\/02-EN-MOVI-2-1024x576.jpg 1024w, https:\/\/elreportivo.cl\/olimpia\/wp-content\/uploads\/2024\/07\/02-EN-MOVI-2-300x169.jpg 300w, https:\/\/elreportivo.cl\/olimpia\/wp-content\/uploads\/2024\/07\/02-EN-MOVI-2-768x432.jpg 768w, https:\/\/elreportivo.cl\/olimpia\/wp-content\/uploads\/2024\/07\/02-EN-MOVI-2-1536x864.jpg 1536w, https:\/\/elreportivo.cl\/olimpia\/wp-content\/uploads\/2024\/07\/02-EN-MOVI-2.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n\n\n<p>\u00a0\u00a0\u00a0 \u00a1Uf! Tras las finales del domingo pasado, reviso aportes de la ciencia al deporte.<\/p>\n<p>\u00a0\u00a0\u00a0 La Sociedad estadounidense de qu\u00edmica se\u00f1ala innovaciones: Un nuevo sensor del estado f\u00edsico, energizado por los movimientos del atleta, detecta el movimiento. Es como un parche que se puede colocar en una raqueta para medir la fuerza del golpe (https:\/\/t.ly\/c4oki).<\/p>\n<p>\u00a0\u00a0\u00a0 Nuevos protectores bucales m\u00e1s peque\u00f1os, ya que algunos atletas dejan de usar aquellos del tama\u00f1o actual. Con un material que se tensa cuando se lo golpea, fabricaron protectores bucales m\u00e1s delgados. \u00c9stos resultan c\u00f3modos (https:\/\/t.ly\/r\u00e1dr7).<\/p>\n<p>\u00a0\u00a0\u00a0 Un parche analiza el sudor: cambia de color seg\u00fan los grados de pH, urea y calcio que capta. Los investigadores lo probaron en corredores durante 20 minutos en diferentes temperaturas y humedades (https:\/\/t.ly\/sflnR).<\/p>\n<p>\u00a0\u00a0\u00a0 Y, en Tailandia, un equipo de la Universidad de Chulalongkorn, bautiz\u00f3 dos nuevas especies de avispas en honor de Roger Federer y Rafael Nadal: Troporhogas rogerfedereri y Troporhogas rafaelnadali. Ambos insectos miden 6 mil\u00edmetros vestidos de negro, blanco y anaranjado. Sus larvas devoran desde dentro al ser que los acoge. (https:\/\/t.ly\/_e00t).<\/p>\n<p>\u00a0\u00a0\u00a0 M\u00e1s entretenido, en Nature Physics aparecen un investigador de la U. de Michigan, Suraj Shankar, y otro de Harvard, L. Mahadevan, quienes postularon que la velocidad con la que un m\u00fasculo se contrae depende de c\u00f3mo se mueve el fluido por \u00e9l. El m\u00fasculo contiene agua, no es pura fibra, no es un agregado de mol\u00e9culas, sino que se parece m\u00e1s a una esponja (<a href=\"https:\/\/t.ly\/Kv5FS\">https:\/\/t.ly\/Kv5FS<\/a>). La compresi\u00f3n muscular requiere tiempo para mover el agua. Por eso, la velocidad m\u00e1xima con que se mueve el l\u00edquido a trav\u00e9s de la fibra muscular resulta clave: establece el l\u00edmite de velocidad de la contracci\u00f3n. Cada cual tiene su l\u00edmite.<\/p>\n<p>\u00a0\u00a0\u00a0 Y otra particularidad que marca a los deportistas es su capacidad de distinguir los ruidos. Bi\u00f3logos de la U. de Maryland publicaron en Current Biology un estudio sobre c\u00f3mo el cerebro elige a cu\u00e1l sonido prestar atenci\u00f3n. Por ejemplo, al sonido de un pelotazo, o al grito de un compa\u00f1ero de equipo, o al chillido de un hincha cuando estoy sirviendo en tenis. La autora principal del estudio, Melissa Caras, dice que atendemos lo importante. Por eso, no escuchamos el ruido del refrigerador si estamos cocinando (10.1016\/j.cub.2024.06.036). Para estudiar esto, recurrieron al gerbil de Mongolia, Meriones unguiculatus, un roedor cuyo sistema auditivo se parece mucho al nuestro. Tras los experimentos descubrieron que la corteza orbitofrontal, una regi\u00f3n del cerebro asociada con la toma de decisiones, desempe\u00f1a un papel central para ayudar a la corteza auditiva (el centro auditivo primario del cerebro) a adaptarse a situaciones cambiantes. \u00a0\u00a0\u00a0\u00a0Entonces, tal como la estatura ayuda a un tenista a jugar mejor, quien desarrolle una mejor zona orbitofrontal en su cerebro, discriminar\u00e1 mejor entre los sonidos. Tendr\u00e1 mejores posibilidades en las olimp\u00edadas.<\/p>\n<p>Fuente: El Mercurio<\/p>\n<\/div><\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":3247,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"plain-container","ast-site-content-layout":"normal-width-container","site-content-style":"unboxed","site-sidebar-style":"unboxed","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[9],"tags":[],"class_list":["post-3246","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-en-movimiento"],"_links":{"self":[{"href":"https:\/\/elreportivo.cl\/olimpia\/wp-json\/wp\/v2\/posts\/3246","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/elreportivo.cl\/olimpia\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/elreportivo.cl\/olimpia\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/elreportivo.cl\/olimpia\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/elreportivo.cl\/olimpia\/wp-json\/wp\/v2\/comments?post=3246"}],"version-history":[{"count":1,"href":"https:\/\/elreportivo.cl\/olimpia\/wp-json\/wp\/v2\/posts\/3246\/revisions"}],"predecessor-version":[{"id":3248,"href":"https:\/\/elreportivo.cl\/olimpia\/wp-json\/wp\/v2\/posts\/3246\/revisions\/3248"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/elreportivo.cl\/olimpia\/wp-json\/wp\/v2\/media\/3247"}],"wp:attachment":[{"href":"https:\/\/elreportivo.cl\/olimpia\/wp-json\/wp\/v2\/media?parent=3246"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/elreportivo.cl\/olimpia\/wp-json\/wp\/v2\/categories?post=3246"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/elreportivo.cl\/olimpia\/wp-json\/wp\/v2\/tags?post=3246"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}