{"id":10292,"date":"2006-01-01T11:05:42","date_gmt":"2006-01-01T11:05:42","guid":{"rendered":"https:\/\/revista-apunts.com\/?p=10292"},"modified":"2021-01-15T17:37:16","modified_gmt":"2021-01-15T17:37:16","slug":"mesurament-telemetric-de-la-frequencia-cardiacai-el-consum-doxigen-en-competicio-amistosa","status":"publish","type":"post","link":"https:\/\/revista-apunts.com\/ca\/mesurament-telemetric-de-la-frequencia-cardiacai-el-consum-doxigen-en-competicio-amistosa\/","title":{"rendered":"Mesurament telem\u00e8tric de la freq\u00fc\u00e8ncia card\u00edacai el consum d\u2019oxigen en competici\u00f3 amistosa"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Resum<\/h2>\n\n\n<p>L\u2019objectiu d\u2019aquest estudi va ser mesurar el consum d\u2019oxigen directament per telemetria, en situaci\u00f3 real de joc, calculant la despesa energ\u00e8tica corresponent, i comparar aquests valors amb els obtinguts mitjan\u00e7ant la relaci\u00f3 entre la freq\u00fc\u00e8ncia card\u00edaca i el consum d\u2019oxigen establerta en una prova progressiva en cinta rodant al laboratori. Van participar en l\u2019estudi un total de set jugadors (<em>n\u2009<\/em>=\u20097), triats per l\u00ednies de joc: tres davanters, dos mitjos i dos defenses. Els set jugadors han estat internacionals sub-21 i quatre tamb\u00e9 ho han estat amb la selecci\u00f3 nacional absoluta. La mitjana de consum m\u00e0xim d\u2019oxigen obtingut en la mostra de jugadors va ser de 4,339 L\u2009\u00b7\u2009min<sup>-1<\/sup> (56,9 mL\u2009\u00b7\u2009kg<sup>-1<\/sup> \u2009\u00b7\u2009min<sup>-1<\/sup> ). No es van observar difer\u00e8ncies significatives entre les tres posicions t\u00e0ctiques. Hi ha una elevada correlaci\u00f3 entre els valors de freq\u00fc\u00e8ncia card\u00edaca i de consum d\u2019oxigen en les proves d\u2019esfor\u00e7 progressiu sobre cinta rodant al laboratori <em>r\u2009<\/em>=\u20090,97 i <em>r\u2009<\/em>=\u20090,99. Durant la competici\u00f3 oficial, la freq\u00fc\u00e8ncia card\u00edaca va estar una mitjana del 50\u2009% del temps de joc per sota del llindar aer\u00f2bic ventilatori i un 43\u2009% del temps a la zona de transici\u00f3 aer\u00f2bica-anaer\u00f2bica. El consum d\u2019oxigen mitj\u00e0 estimat durant les parts d\u2019un partit de competici\u00f3 oficial, va ser de 3,591 L\u2009\u00b7\u2009min<sup>-1<\/sup> , corresponent a un consum relatiu de 48,5\u00a0mL\u2009\u00b7\u2009kg<sup>-1<\/sup> \u2009\u00b7\u2009min<sup>-1<\/sup> (70,7\u2009% del VO<sub>2<\/sub> max individual). A l\u2019an\u00e0lisi de l\u2019estudi de correlaci\u00f3 lineal entre valors reals i estimats de consum d\u2019oxigen en cadascun dels jugadors, els coeficients de correlaci\u00f3 de Pearson calculats es trobaven entre els valors de <em>r<\/em>\u2009=\u20090,721 i <em>r\u2009<\/em>=\u20090,904. La quantificaci\u00f3 de la sobreestimaci\u00f3 ofereix valors de 853 mL\u2009\u00b7\u2009min<sup>-1<\/sup> de mitjana (34\u2009% de sobreestimaci\u00f3 sobre el\u00a0 VO<sub>2<\/sub> real), i l\u2019error est\u00e0ndard de l\u2019estimaci\u00f3 (378 mL\u2009\u00b7\u2009min<sup>-1<\/sup> ) \u00e9s d\u2019un 15\u2009% sobre el VO<sub>2<\/sub> real; amb un marge de confian\u00e7a del 95\u2009%, aquestes difer\u00e8ncies entre el consum real i l\u2019estimat es xifren entre 812 i 893 mL\u2009\u00b7\u2009min<sup>-1<\/sup> (P\u2009&gt;\u20090,001). L\u2019estimaci\u00f3 espec\u00edfica va revelar m\u00e9s correlaci\u00f3 entre el consum d\u2019oxigen real i l\u2019estimat (<em>r\u2009<\/em>=\u20090,85) i una difer\u00e8ncia mitjana de 4 mL\u2009\u00b7\u2009min<sup>-1<\/sup> (<em>sd\u2009<\/em>=\u2009537), i l\u2019error est\u00e0ndard de l\u2019estimaci\u00f3 (250 mL\u2009\u00b7\u2009min<sup>-1<\/sup> ) fou del 10\u2009% sobre el consum d\u2019oxigen real.<\/p>\n\n <div class=\"tags\"> <p><strong>Paraules clau:<\/strong> <span>consum d\u2019oxigen estimat<\/span>, <span>despesa energ\u00e8tica<\/span>, <span>FC \u2013 freq\u00fc\u00e8ncia card\u00edaca<\/span>, <span>llindar aer\u00f2bic \u2013 anaer\u00f2bic<\/span>, <span>sobreestimaci\u00f3<\/span><\/p> <\/div> \n","protected":false},"excerpt":{"rendered":"<p>Resum L\u2019objectiu d\u2019aquest estudi va ser mesurar el consum d\u2019oxigen directament per telemetria, en situaci\u00f3 real de joc, calculant la despesa energ\u00e8tica corresponent, i comparar aquests valors amb els obtinguts mitjan\u00e7ant la relaci\u00f3 entre la freq\u00fc\u00e8ncia card\u00edaca i el consum d\u2019oxigen establerta en una prova progressiva en cinta rodant al laboratori. Van participar en l\u2019estudi [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_editorskit_title_hidden":false,"_editorskit_reading_time":1,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","inline_featured_image":false,"advgb_blocks_editor_width":"","advgb_blocks_columns_visual_guide":"","footnotes":""},"categories":[52],"tags":[3985,3984,3986,3987,3988],"author_meta":{"display_name":"doc_inefc","author_link":"https:\/\/revista-apunts.com\/ca\/author\/doc_inefc\/"},"featured_img":null,"coauthors":[],"tax_additional":{"categories":{"linked":["<a href=\"https:\/\/revista-apunts.com\/ca\/category\/preparacio-fisica-ca\/\" class=\"advgb-post-tax-term\">Preparaci\u00f3 f\u00edsica<\/a>"],"unlinked":["<span class=\"advgb-post-tax-term\">Preparaci\u00f3 f\u00edsica<\/span>"]},"tags":{"linked":["<a href=\"https:\/\/revista-apunts.com\/ca\/category\/preparacio-fisica-ca\/\" class=\"advgb-post-tax-term\">consum d\u2019oxigen estimat<\/a>","<a href=\"https:\/\/revista-apunts.com\/ca\/category\/preparacio-fisica-ca\/\" class=\"advgb-post-tax-term\">despesa energ\u00e8tica<\/a>","<a href=\"https:\/\/revista-apunts.com\/ca\/category\/preparacio-fisica-ca\/\" class=\"advgb-post-tax-term\">FC \u2013 freq\u00fc\u00e8ncia card\u00edaca<\/a>","<a href=\"https:\/\/revista-apunts.com\/ca\/category\/preparacio-fisica-ca\/\" class=\"advgb-post-tax-term\">llindar aer\u00f2bic \u2013 anaer\u00f2bic<\/a>","<a href=\"https:\/\/revista-apunts.com\/ca\/category\/preparacio-fisica-ca\/\" class=\"advgb-post-tax-term\">sobreestimaci\u00f3<\/a>"],"unlinked":["<span class=\"advgb-post-tax-term\">consum d\u2019oxigen estimat<\/span>","<span class=\"advgb-post-tax-term\">despesa energ\u00e8tica<\/span>","<span class=\"advgb-post-tax-term\">FC \u2013 freq\u00fc\u00e8ncia card\u00edaca<\/span>","<span class=\"advgb-post-tax-term\">llindar aer\u00f2bic \u2013 anaer\u00f2bic<\/span>","<span class=\"advgb-post-tax-term\">sobreestimaci\u00f3<\/span>"]}},"comment_count":"0","relative_dates":{"created":"Posted 20 anys ago","modified":"Updated 5 anys ago"},"absolute_dates":{"created":"Posted on 1 gener 2006","modified":"Updated on 15 gener 2021"},"absolute_dates_time":{"created":"Posted on 1 gener 2006 11:05","modified":"Updated on 15 gener 2021 17:37"},"featured_img_caption":"","series_order":"","_links":{"self":[{"href":"https:\/\/revista-apunts.com\/ca\/wp-json\/wp\/v2\/posts\/10292\/"}],"collection":[{"href":"https:\/\/revista-apunts.com\/ca\/wp-json\/wp\/v2\/posts\/"}],"about":[{"href":"https:\/\/revista-apunts.com\/ca\/wp-json\/wp\/v2\/types\/post\/"}],"author":[{"embeddable":true,"href":"https:\/\/revista-apunts.com\/ca\/wp-json\/wp\/v2\/users\/1\/"}],"replies":[{"embeddable":true,"href":"https:\/\/revista-apunts.com\/ca\/wp-json\/wp\/v2\/comments\/?post=10292"}],"version-history":[{"count":2,"href":"https:\/\/revista-apunts.com\/ca\/wp-json\/wp\/v2\/posts\/10292\/revisions\/"}],"predecessor-version":[{"id":41234,"href":"https:\/\/revista-apunts.com\/ca\/wp-json\/wp\/v2\/posts\/10292\/revisions\/41234\/"}],"wp:attachment":[{"href":"https:\/\/revista-apunts.com\/ca\/wp-json\/wp\/v2\/media\/?parent=10292"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/revista-apunts.com\/ca\/wp-json\/wp\/v2\/categories\/?post=10292"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/revista-apunts.com\/ca\/wp-json\/wp\/v2\/tags\/?post=10292"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}