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    <item>
      <title>Einfluss von zwei Formen des Radfahrens im Windschatten auf die Laufleistung</title>
      <pubDate>Mon, 01 Jan 2001 04:40:24 +0100</pubDate>
      <link>https://sponet.de/sponet/Record/3032759</link>
      <guid>https://sponet.de/sponet/Record/3032759</guid>
      <author>Hausswirth, Ch.</author>
      <author>Vallier, J.-M.</author>
      <author>Lehenaff, D.</author>
      <author>Brisswalter, J.</author>
      <author>Smith, D.</author>
      <author>Millet, G.</author>
      <author>Dreano, P.</author>
      <dc:format>Artikel</dc:format>
      <dc:subject>Triathlon</dc:subject>
      <dc:subject>Radsport</dc:subject>
      <dc:subject>Lauf</dc:subject>
      <dc:subject>Leistung</dc:subject>
      <dc:subject>Taktik</dc:subject>
      <dc:subject>Sportphysiologie</dc:subject>
      <dc:format>Artikel</dc:format>
      <dc:creator>Hausswirth, Ch.</dc:creator>
      <dc:creator>Vallier, J.-M.</dc:creator>
      <dc:creator>Lehenaff, D.</dc:creator>
      <dc:creator>Brisswalter, J.</dc:creator>
      <dc:creator>Smith, D.</dc:creator>
      <dc:creator>Millet, G.</dc:creator>
      <dc:creator>Dreano, P.</dc:creator>
      <content:encoded><![CDATA[Es werden die physiologischen Reaktionen während eines Triathlon, wo das Radfahren im Windschatten altenativ mit (ADT) oder kontinuierlich hinter (CDT) einem Radfahrer erfolgte verglichen und der Einfluss dieser zwei  Methoden auf die nachfolgende Laufleistung untersucht.  Probanden waren10 männliche Triathleten der nationalen Klasse. 
Ergebnis:
Das kontinuierliche Radfahren im Windschatten (CDT) ermöglicht den Triathleten  im Vergleich zum alternativen Windschattenfahren (ADT)   Energie zu sparen und schafft die Bedingungen für eine verbesserte  nachfolgende Laufleistung. Die Laufgeschwindkeiten betrugen entsprechend 17,87 und 17,15 km/h.]]></content:encoded>
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    <item>
      <title>Wirkung von zwei Formen des Windschattenradfahrens auf die Laufleistung</title>
      <pubDate>Mon, 01 Jan 2001 04:40:24 +0100</pubDate>
      <link>https://sponet.de/sponet/Record/4005447</link>
      <guid>https://sponet.de/sponet/Record/4005447</guid>
      <author>Hausswirth, C.</author>
      <author>Vallier, J. M.</author>
      <author>Lehenaff, D.</author>
      <author>Brisswalter, J.</author>
      <author>Smith, D.</author>
      <author>Millet, G.</author>
      <author>Dreano, P.</author>
      <dc:format>Artikel</dc:format>
      <dc:subject>Triathlon</dc:subject>
      <dc:subject>Sportphysiologie</dc:subject>
      <dc:subject>Radsport</dc:subject>
      <dc:subject>Langstreckenlauf</dc:subject>
      <dc:subject>Energiestoffwechsel</dc:subject>
      <dc:subject>Aerodynamik</dc:subject>
      <dc:format>Artikel</dc:format>
      <dc:creator>Hausswirth, C.</dc:creator>
      <dc:creator>Vallier, J. M.</dc:creator>
      <dc:creator>Lehenaff, D.</dc:creator>
      <dc:creator>Brisswalter, J.</dc:creator>
      <dc:creator>Smith, D.</dc:creator>
      <dc:creator>Millet, G.</dc:creator>
      <dc:creator>Dreano, P.</dc:creator>
      <content:encoded><![CDATA[Purpose: The purposes of this study were first to compare the physiological responses during a triathlon where cycling was performed alternatively with another cyclist (alternate draft triathlon, ADT) or continuously behind him (continuous draft triathlon, CDT), and second to study the incidence of these two drafting modalities in cycling on the subsequent running performance done during a simulated triathlon. 
Methods: Ten male triathletes of national level performed a sprint distance triathlon (0.75-km swim, 20-km bike, 5-km run) on two different sessions, one where the triathlete alternatively rode in front or at the back of another cyclist and rotating every 500 m, the other where the triathlete drafted continuously a professional cyclist whose task was to reproduce all split times recorded during the alternate situation. Oxygen uptake (VO2), expiratory flow (VE), heart rate (HR) were recorded during the entire bike and run sections and blood lactate concentrations ([La-]b) were analyzed at the end of each event composing the triathlon. 
Results: The results showed that expiratory flow, oxygen uptake, heart rate and blood lactate concentrations were significantly lower in CDT on the bike compared with drafting in alternation (148.1 vs. 167.2 L.min-1, 49.9 vs. 59.8 mL.min-1.kg-1, 154.7 vs. 173.1 beats.min-1, 3.5 vs. 6.3 mmol.L-1, respectively). The results also revealed that running after biking in CDT (for similar cycling speeds) significantly improved the subsequent running speed compared to ADT (17.87 vs. 17.15 km.h-1). Furthermore, VE, VO2, HR, and [La-]b were significantly higher during CDT run compared with ADT run (175.6 vs. 170.4 L.min-1, 69.7 vs. 66.8 mL.min-1.kg-1, 182.6 vs. 177.3 beats.min-1, 9.6 vs. 7.5 mmol.L-1, respectively). 
Conclusions: These results showed that drafting continuously behind a lead cyclist allows triathletes to save a significant amount of energy during the bike leg of a sprint triathlon and creates the conditions for an improved running performance compared with a situation where cycling is performed alternating the lead with another cyclist. ]]></content:encoded>
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