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    <item>
      <title>LHTL verbessert die Leistung bei Eliteläufern</title>
      <pubDate>Thu, 01 Jan 1998 06:12:15 +0100</pubDate>
      <link>https://sponet.de/sponet/Record/4002527</link>
      <guid>https://sponet.de/sponet/Record/4002527</guid>
      <author>Stray-Gundersen, J.</author>
      <author>Chapman, J. R.</author>
      <author>Levine, B. D.</author>
      <dc:format>Artikel</dc:format>
      <dc:subject>Höhentraining</dc:subject>
      <dc:subject>Sportphysiologie</dc:subject>
      <dc:subject>O2-Aufnahme</dc:subject>
      <dc:subject>EPO</dc:subject>
      <dc:subject>Live High - Train Low</dc:subject>
      <dc:subject>Langstreckenlauf</dc:subject>
      <dc:format>Artikel</dc:format>
      <dc:creator>Stray-Gundersen, J.</dc:creator>
      <dc:creator>Chapman, J. R.</dc:creator>
      <dc:creator>Levine, B. D.</dc:creator>
      <content:encoded><![CDATA[One week after the US national track and field championships 26 athletes (M = 17; F = 9) who had competed there entered a 27 day altitude training camp. They ran 3,000-m time trials and did laboratory testing at sea level before and after the camp. Blood was measured prior to the camp, 20 hours after ascent, 19 days after ascent, and 20 hours after return to sea level. The camp consisted of living at moderate altitude (2,500 m) and performing interval training at 1,250 m and base training at both 1250 and 3,000 m.
EPO increased 92% within 20 hours of exposure but returned to close to normal by day 19. On return to sea level hemoglobin increased from 13.2 to 14.3 gm/dl, hematocrit increased by 4%, and arterial oxygen content increased by 8%. VO2max increased from 71.6 to 73.7 ml/kg/min while 3,000-m time improved from 8:45 to 8:39+.
This study contained no control group, such as a live and train low group and these phenomena could be due to any number of reasons that affect performance, one being that 3,000 m might not have been the event for which trained states were attained at the national championships.
Implication: Another assertion that living high and training low improves sea level performance in endurance runners but the study's design does not allow one to put much faith in this finding.]]></content:encoded>
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    <item>
      <title>"Leben in der Höhe - Trainieren im Flachland" (HILO) verbessert die Leistung von Eliteläufern</title>
      <pubDate>Thu, 01 Jan 1998 06:12:15 +0100</pubDate>
      <link>https://sponet.de/sponet/Record/3029196</link>
      <guid>https://sponet.de/sponet/Record/3029196</guid>
      <author>Stray-Gundersen, J.</author>
      <author>Chapman, R. F.</author>
      <author>Levine, B. D.</author>
      <dc:format>Artikel</dc:format>
      <dc:subject>Höhenhaus</dc:subject>
      <dc:subject>Höhentraining</dc:subject>
      <dc:subject>Lauf</dc:subject>
      <dc:subject>Ausdauer</dc:subject>
      <dc:subject>O2</dc:subject>
      <dc:subject>maximal</dc:subject>
      <dc:subject>Leistung</dc:subject>
      <dc:subject>EPO</dc:subject>
      <dc:format>Artikel</dc:format>
      <dc:creator>Stray-Gundersen, J.</dc:creator>
      <dc:creator>Chapman, R. F.</dc:creator>
      <dc:creator>Levine, B. D.</dc:creator>
      <content:encoded><![CDATA[Es wurde die Hypothese überprüft, daß die Kombination von Akklimatisierung in mittlerer Höhe (2500m ) und Intervalltraining auf 1250m und Grundlagentraining auf 1250 - 3000 m die VO2max und Ausdauerleistung im Flachland verbesert. 9 Frauen und 17 Männer nahmen 1 Woche nach den US-Meisterschaften in der LA 27 Tage an einem Höhentrainingslager teil. Vor und nach dem Lager liefen sie im Flachland 3000m und wurden im Labor getestet. Blutwerte wurden vor dem Aufenthalt, 20 Stunden nach Ankunft, 19 Tage nach Ankunft und 20 Stunden nach Rückkehr ins Flachland entnommen. Analysiert wurden: Hämoglobin (Hb), Hämatokrit (Hct) und Erythropoetin (EPO). 
Ergebnisse:
- Anstieg EPO nach 20 Stunden 92% (8.5 auf 16.3 ng/ml), Rückkehr auf 9,8 am 19. Tag. 
- HB-Anstieg von 13.2 auf 14.3 gm/dl bei Rückkehr, Hct um 4% und aO2 um 8%.
- Anstieg VO2max von 71.6 auf 73.7 ml(kg/min.
- Verbesserung der 3000m-Zeit von 8:45.4 auf 8:39.6 min.]]></content:encoded>
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