{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,4]],"date-time":"2026-06-04T04:11:39Z","timestamp":1780546299079,"version":"3.54.1"},"reference-count":48,"publisher":"Canadian Science Publishing","issue":"4","license":[{"start":{"date-parts":[[2012,8,1]],"date-time":"2012-08-01T00:00:00Z","timestamp":1343779200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.nrcresearchpress.com\/page\/about\/CorporateTextAndDataMining"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Appl. Physiol. Nutr. Metab."],"published-print":{"date-parts":[[2012,8]]},"abstract":"<jats:p> We investigated the effect of training on peripheral muscular performance and oxygenation during exercise and recovery in children with congenital heart diseases (CHD). Eighteen patients with CHD aged 12 to 15\u00a0years were randomly assigned into either an individualized 12-week aerobic cycling training group (TG) or a control group (CG). Maximal voluntary contraction (MVC) and endurance at 50% MVC (time to exhaustion, T<jats:sub>lim<\/jats:sub>) of the knee extensors were measured before and after training. During the 50% MVC exercise and recovery, near-infrared spectroscopy (NIRS) was used to assess the fall in muscle oxygenation, i.e., deoxygenation ([Formula: see text]) of the vastus lateralis, the mean rate of decrease in muscle oxygenation, the half time of recovery (T<jats:sub>1\/2R<\/jats:sub>), and the recovery speed to maximal oxygenation (R<jats:sub>S<\/jats:sub>). There was no effect of time on any parameter in the CG. After training, significant improvements were observed in TG for MVC (101.6\u00a0\u00b1 14.0 vs. 120.2\u00a0\u00b1 19.4\u00a0N\u00b7m, p\u00a0&lt; 0.01) and T<jats:sub>lim<\/jats:sub> (66.2\u00a0\u00b1 22.6 vs. 86.0\u00a0\u00b1 23.0\u00a0s, p&lt; 0.01). Increased oxygenation (0.20\u00a0\u00b1 0.13 vs. 0.15\u00a0\u00b1 0.07\u00a0a.u., p\u00a0&lt; 0.01) and faster mean rate of decrease in muscle oxygenation were also shown after training in TG (1.22\u00a0\u00b1 0.45 vs. 1.71\u00a0\u00b1 0.78%\u00b7s<jats:sup>\u20131<\/jats:sup>, p\u00a0&lt; 0.001). Moreover, a shorter recovery time was observed in TG after training for T<jats:sub>1\/2R<\/jats:sub> (27.2\u00a0\u00b1 6.1 vs. 20.8\u00a0\u00b1 4.2\u00a0s, p\u00a0&lt; 0.01) and R<jats:sub>S<\/jats:sub> (63.1\u00a0\u00b1 18.4 vs. 50.3\u00a0\u00b1 11.4\u00a0s, p\u00a0&lt; 0.01). A significant relationship between the change in [Formula: see text] and both MVC (r\u00a0= 0.95, p\u00a0&lt; 0.001) and T<jats:sub>lim<\/jats:sub> (r\u00a0= 0.90, p\u00a0&lt; 0.001) in TG was observed. We concluded that exercise training improves peripheral muscular function by enhancing strength and endurance performance in children with CHD. This improvement was associated with increased oxygenation of peripheral muscles and faster recovery. <\/jats:p>","DOI":"10.1139\/h2012-036","type":"journal-article","created":{"date-parts":[[2012,7,5]],"date-time":"2012-07-05T14:24:30Z","timestamp":1341498270000},"page":"621-630","source":"Crossref","is-referenced-by-count":50,"title":["Training effects on peripheral muscle oxygenation and performance in children with congenital heart diseases"],"prefix":"10.1139","volume":"37","author":[{"given":"Wassim","family":"Moalla","sequence":"first","affiliation":[{"name":"EA 3300\u00a0\u2013 APS et Conduites Motrices: Adaptations et R\u00e9adaptations, Facult\u00e9s des Sciences du Sport, Universit\u00e9 de Picardie, Amiens, France."},{"name":"Laboratoire de Physiologie et d\u2019Exploration Fonctionnelle, Facult\u00e9 Ibn Jazzar, Universit\u00e9 de Sousse, Tunisie."},{"name":"UR EM2S: Institut Sup\u00e9rieur de Sport et d\u2019Education Physique Sfax, Sfax, Tunisie."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mohamed","family":"Elloumi","sequence":"additional","affiliation":[{"name":"Laboratoire de Physiologie et d\u2019Exploration Fonctionnelle, Facult\u00e9 Ibn Jazzar, Universit\u00e9 de Sousse, Tunisie."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Karim","family":"Chamari","sequence":"additional","affiliation":[{"name":"Centre National de M\u00e9decine et des Sciences du Sport, Laboratoire optimisation de la performance sportive, Tunis."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gr\u00e9gory","family":"Dupont","sequence":"additional","affiliation":[{"name":"EA 3608\u00a0\u2013 Laboratoire d\u2019\u00c9tudes de la Motricit\u00e9 Humaine, Facult\u00e9 des Sciences du Sport et de l\u2019Education Physique, Universit\u00e9 de Lille 2, France."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yves","family":"Maingourd","sequence":"additional","affiliation":[{"name":"Service d\u2019Explorations Cardio-pulmonaires P\u00e9diatriques, CHU Nord, Amiens, France."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zouhair","family":"Tabka","sequence":"additional","affiliation":[{"name":"Laboratoire de Physiologie et d\u2019Exploration Fonctionnelle, Facult\u00e9 Ibn Jazzar, Universit\u00e9 de Sousse, Tunisie."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Said","family":"Ahmaidi","sequence":"additional","affiliation":[{"name":"EA 3300\u00a0\u2013 APS et Conduites Motrices: Adaptations et R\u00e9adaptations, Facult\u00e9s des Sciences du Sport, Universit\u00e9 de Picardie, Amiens, France."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"155","reference":[{"key":"refg1\/ref1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1747-0803.2008.00191.x"},{"key":"refg2\/ref2","doi-asserted-by":"publisher","DOI":"10.1152\/japplphysiol.00144.2009"},{"key":"refg3\/ref3","doi-asserted-by":"publisher","DOI":"10.1152\/japplphysiol.00819.2007"},{"key":"refg4\/ref4","doi-asserted-by":"publisher","DOI":"10.1152\/japplphysiol.00139.2010"},{"key":"refg5\/ref5","doi-asserted-by":"publisher","DOI":"10.1093\/eurheartj\/ehq249"},{"issue":"6","key":"refg6\/ref6","doi-asserted-by":"crossref","first-page":"2020","DOI":"10.1152\/jappl.1986.60.6.2020","volume":"60","author":"Beaver W.L.","year":"1986","journal-title":"J. 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