{"id":67837,"date":"2008-06-11T00:00:00","date_gmt":"2008-06-11T00:00:00","guid":{"rendered":""},"modified":"2008-06-11T00:00:00","modified_gmt":"2008-06-11T00:00:00","slug":"analisis-espectro-temporal-de-la-variabilidad-del-ritmo-carda%c2%adaco-y-su-relacion-con-el-umbral-ventilatorio-en-un-ejercicio-de-intensidad-incremental-maximal-en-deportistas-y-no-deportistas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/cordoba\/analisis-espectro-temporal-de-la-variabilidad-del-ritmo-carda%c2%adaco-y-su-relacion-con-el-umbral-ventilatorio-en-un-ejercicio-de-intensidad-incremental-maximal-en-deportistas-y-no-deportistas\/","title":{"rendered":"An\u00e1lisis espectro-temporal de la variabilidad del ritmo card\u00edaco y su relaci\u00f3n con el umbral ventilatorio en un ejercicio de intensidad incremental maximal en deportistas y no deportistas"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Antonio  Eduardo L\u00f3pez Fuenzalida <\/strong><\/h2>\n<p>La presente tesis doctoral estudia la relaci\u00f3n entre el umbral ventilatorio (uv) y el umbral de la variabilidad del ritmo card\u00edaco (vrc) en individuos deportistas y no deportistas. Para ello se eval\u00faa, en un protocolo de ejercicio de intensidad creciente maximal en un tapiz rodante, a 24 sujetos los que son separados en dos grupos: 12 deportistas (21,83\u00c2\u00b12,44 a\u00f1os) y 12 no deportistas (22,17\u00c2\u00b12,17 a\u00f1os), registrando los intervalos rr latido a latido a trav\u00e9s del monitor de frecuencia card\u00edaca polar s810i (polar electro) y los par\u00e1metros ventilatorios peto2, ve, vco2, vo2, ve\/vo2 y vev\/co2 respiraci\u00f3n a respiraci\u00f3n por medio de un ergoespir\u00f3metro (sensor medics, vmax 29 series). La determinaci\u00f3n del umbral de la vrc se efect\u00faa mediante la aplicaci\u00f3n de la transformada discreta de wavelet (tdw) sobre los intervalos rr, mientras que el uv se obtiene por medio de la aplicaci\u00f3n de los siguientes criterios: incremento del cociente respiratorio superior a 1.0, incremento no lineal de la ve, incremento no lineal del vco2, descenso de la petco2 e incremento de la peto2. En ambos umbrales se determina el porcentaje de la frecuencia card\u00edaca de reserva (%fcr) en donde acontecen, siendo \u00e9sta considerada como el par\u00e1metro de comparaci\u00f3n entre los umbrales. Los resultados indican que no existe una diferencia significativa entre el %fcr donde ocurren los umbrales de la vrc y uv en el grupo total de sujetos evaluados (dif-medias=0,22; p=0,74), deportistas (dif-medias=0,24; p=0,76) y no deportistas (dif-medias=0,20; p=0,86). De igual manera se observan correlaciones directas y significativas entre las %fcr en donde ocurren los umbrales en el grupo total (r=0,91; p<0,0001), deportistas (r=0,84; p=0,0007)  y no deportistas (r=0,88; p<0,0001). El presente estudio ha demostrado que a trav\u00e9s del estudio de la vrc por medio de la tdw durante un esfuerzo incremental maximal, permite la identificaci\u00f3n de la transici\u00f3n aer\u00f3bica - anaer\u00f3bica en sujetos j\u00f3venes deportistas como no deportistas.\n\n\n\n&nbsp;\n\n\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>An\u00e1lisis espectro-temporal de la variabilidad del ritmo card\u00edaco y su relaci\u00f3n con el umbral ventilatorio en un ejercicio de intensidad incremental maximal en deportistas y no deportistas<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 An\u00e1lisis espectro-temporal de la variabilidad del ritmo card\u00edaco y su relaci\u00f3n con el umbral ventilatorio en un ejercicio de intensidad incremental maximal en deportistas y no deportistas <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Antonio  Eduardo L\u00f3pez Fuenzalida <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 C\u00f3rdoba<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 06\/11\/2008<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Francisco Jos\u00e9 Berral De La Rosa<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: jose Pe\u00f1a Martinez <\/li>\n<li>Jos\u00e9 Pe\u00f1a amaro (vocal)<\/li>\n<li>Francisco Mart\u00edn bermudo (vocal)<\/li>\n<li>Jos\u00e9 Naranjo orellana (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Antonio Eduardo L\u00f3pez Fuenzalida La presente tesis doctoral estudia la relaci\u00f3n entre el umbral ventilatorio (uv) y [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","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":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","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":"default","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 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