{"id":2694,"date":"2009-12-01T12:36:54","date_gmt":"2009-12-01T11:36:54","guid":{"rendered":"http:\/\/www.mapeisport.it\/attivita-scientifica\/repeated-sprint-ability-in-professional-and-amateur-soccer-players\/"},"modified":"2023-03-14T14:23:37","modified_gmt":"2023-03-14T13:23:37","slug":"repeated-sprint-ability-in-professional-and-amateur-soccer-players","status":"publish","type":"attivita-scientifica","link":"https:\/\/www.mapeisport.it\/en\/attivita-scientifica\/repeated-sprint-ability-in-professional-and-amateur-soccer-players\/","title":{"rendered":"Repeated-sprint ability in professional and amateur soccer players"},"content":{"rendered":"<p>Rampinini E<sup>1<\/sup>, Sassi A<sup>1<\/sup>, Morelli A<sup>1<\/sup>, Mazzoni S<sup>1,2<\/sup>, Fanchini M<sup>3<\/sup>, Coutts AJ<sup>4<\/sup><\/p>\n<p style=\"text-align: justify;\">1, Human Performance Laboratory, MAPEI Sport Research Center, Castellanza, Varese, Italy;2, School of Sport and Exercise Science, Universitas Studiorum Insubriae, Varese, Italy;3, Pro Patria Calcio, Busto Arsizio, Varese, Italy;4, School of Leisure, Sport and Tourism, University of Technology, Sydney, Australia<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-18281\" src=\"http:\/\/www.mapeisport.it\/wp-content\/uploads\/2009\/12\/apnm-1.jpg\" alt=\"\" width=\"319\" height=\"139\" srcset=\"https:\/\/www.mapeisport.it\/wp-content\/uploads\/2009\/12\/apnm-1.jpg 672w, https:\/\/www.mapeisport.it\/wp-content\/uploads\/2009\/12\/apnm-1-300x131.jpg 300w, https:\/\/www.mapeisport.it\/wp-content\/uploads\/2009\/12\/apnm-1-600x262.jpg 600w\" sizes=\"auto, (max-width: 319px) 100vw, 319px\" \/><\/p>\n<p style=\"text-align: justify;\">This study investigated the repeated-sprint ability (RSA) physiological responses to a standardized, high-intensity, intermittent running test (HIT), maximal oxygen uptake (VO<sub>2max<\/sub>) and oxygen uptake (VO<sub>2<\/sub>) kinetics in male soccer players (professional (N = 12) and amateur (N = 11)) of different playing standards. The relationships between each of these factors and RSA performance were determined. Mean RSA time (RSA(mean)) and RSA decrement were related to the physiological responses to HIT (blood lactate concentration ([La<sup>&#8211;<\/sup>]), r = 0.66 and 0.77; blood bicarbonate concentration ([HCO<sub>3<\/sub><sup>&#8211;<\/sup>]), r = -0.71 and -0.75; and blood hydrogen ion concentration ([H<sup>+<\/sup>]), r = 0.61 and 0.73; all p &lt; 0.05), VO<sub>2max<\/sub> (r = -0.45 and -0.65, p &lt; 0.05), and time constant (tau) in VO<sub>2<\/sub> kinetics (r = 0.62 and 0.62, p &lt; 0.05). VO<sub>2max<\/sub> was not different between playing standards (58.5 +\/- 4.0 vs. 56.3 +\/- 4.5 mL.kg<sup>-1<\/sup>.min<sup>-1<\/sup>; p = 0.227); however, the professional players demonstrated better RSA<sub>mean<\/sub> (7.17 +\/- 0.09 vs. 7.41 +\/- 0.19 s; p = 0.001), lower [La<sup>&#8211;<\/sup>] (5.7 +\/- 1.5 vs. 8.2 +\/- 2.2 mmol.L<sup>-1<\/sup>; p = 0.004), lower [H+] (46.5 +\/- 5.3 vs. 52.2 +\/- 3.4 mmol.L<sup>-1<\/sup>; p = 0.007), and higher [HCO3<sup>&#8211;<\/sup>] (20.1 +\/- 2.1 vs. 17.7 +\/- 1.7 mmol.L<sup>-1<\/sup>; p = 0.006) after the HIT, and a shorter in VO<sub>2<\/sub> kinetics (27.2 +\/- 3.5 vs. 32.3 +\/- 6.0 s; p = 0.019). These results show that RSA performance, the physiological response to the HIT, and differentiate between professional- and amateur-standard soccer players. Our results also show that RSA performance is related to VO<sub>2max<\/sub>, tau, and selected physiological responses to a standardized, high-intensity, intermittent exercise.<\/p>\n<p>Appl Physiol Nutr Metab. 2009 Dec;34(6):1048-54.<\/p>\n<p><span class=\"id-label\">PMID: <\/span><strong class=\"current-id\" title=\"PubMed ID\">20029513\u00a0 \u00a0 <\/strong><span class=\"id-label\">DOI: <\/span><a class=\"id-link\" href=\"https:\/\/doi.org\/10.1139\/h09-111\" target=\"_blank\" rel=\"noopener\" data-ga-category=\"full_text\" data-ga-action=\"DOI\">10.1139\/H09-111<\/a><\/p>\n","protected":false},"featured_media":18282,"template":"","categories":[858,863,859],"tags":[192,193,197,906],"class_list":["post-2694","attivita-scientifica","type-attivita-scientifica","status-publish","has-post-thumbnail","hentry","category-calcio-en","category-soccer-3-en","category-testing-en","tag-aldo-sassi-en","tag-andrea-morelli-en","tag-ermanno-rampinini-en","tag-stefano-mazzoni-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - 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