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<datestamp>2018-01-11</datestamp>
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<publisher>HAL CCSD</publisher>
<title lang=en>Aggravation of Pulmonary Diffusing Capacity in Highly Trained Athletes by 6 Weeks of Low-Volume, Low-Intensity Training</title>
<creator>Galy, Olivier</creator>
<creator>Maimoun, Laurent</creator>
<creator>Coste, Olivier</creator>
<creator>Manetta, Jérôme</creator>
<creator>Boussana, Alain</creator>
<creator>Préfaut, Christian</creator>
<creator>Hue, Olivier</creator>
<contributor>Adaptations au Climat Tropical, Exercice et Santé (ACTES) ; Université des Antilles et de la Guyane (UAG)</contributor>
<contributor>Laboratoire de Physiologie des Interactions ; CHU Arnaud de Villeneuve</contributor>
<contributor>Centre d'Optimisation de la Performance Motrice ; Université Montpellier 1 (UM1)</contributor>
<contributor>Euromov (EuroMov) ; Université de Montpellier (UM) - Institut National de la Santé et de la Recherche Médicale (INSERM) - Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier)</contributor>
<contributor>Physiologie & médecine expérimentale du Cœur et des Muscles [U 1046] (PhyMedExp) ; Institut National de la Santé et de la Recherche Médicale (INSERM) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<description>International audience</description>
<source>ISSN: 1555-0265</source>
<source>International Journal of Sports Physiology and Performance</source>
<publisher>Human Kinetics</publisher>
<identifier>hal-01163434</identifier>
<identifier>https://hal.univ-antilles.fr/hal-01163434</identifier>
<source>https://hal.univ-antilles.fr/hal-01163434</source>
<source>International Journal of Sports Physiology and Performance, Human Kinetics, 2013, 8 (6), pp.648-662</source>
<language>en</language>
<subject lang=en>DLco</subject>
<subject lang=en>exercise</subject>
<subject lang=en>triathlon</subject>
<subject>[SDV] Life Sciences [q-bio]</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>Purpose: Postexercise alveolar-capillary membrane-diffusing capacity (DLco) often decreases in highly trained endurance athletes and seems linked to their training status. To test the hypothesis that training status influences postexercise DLco, 13 male and 2 female triathletes (20.2 ± 4.4 y old, 175.2 ± 6.7 cm tall; weight in a range of 66.6 ± 7.4 kg to 67.4 ± 7.8 kg during the 1-y study) were randomized into experimental (n = 7) and control (n = 8) groups and performed VO2max cycle tests and simulated cycle-run successions (CR) of 30 min + 20 min after 3 periods in the competitive season. Methods: Both groups were tested before (pre- HTP) and after a 30-wk high-training period (HTP) with high training volume, intensity, and frequency. The experimental group was then also tested after a 6-wk low-training period (LTP) with low training volume, intensity, and frequency, while the control group continued training according to the HTP schedule for these 6 wk. Ventilatory data were collected continuously. DLco testing was performed before and 30, 60, and 120 min after the CR trials. Results: Whatever the period or group, DLco was significantly decreased 30 min after CR, with a significantly greater decrease in the experimental group than the control group in LTP (–15.7% and –9.3% of DLco, respectively). Conclusions: Six weeks of low training volume and intensity were sufficient to reverse the effects of high training volume and intensity on the alveolar-capillary membrane after a CR succession in competitive triathletes.</description>
<date>2013</date>
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