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    <item>
      <title>Physiologische und Leistungsreaktionen beim Turnierringen</title>
      <pubDate>Mon, 01 Jan 2001 01:09:16 +0100</pubDate>
      <link>https://sponet.de/sponet/Record/3033703</link>
      <guid>https://sponet.de/sponet/Record/3033703</guid>
      <author>Kraemer, W. J.</author>
      <author>Fry, A. C.</author>
      <author>Rubin, M. R.</author>
      <author>Triplett-McBride, T.</author>
      <author>Gordon, S. E.</author>
      <author>Koziris, L. P.</author>
      <author>Lynch, J. M.</author>
      <author>Volek, J. S.</author>
      <author>Meuffels, D. E.</author>
      <author>Newton, R. U.</author>
      <author>Fleck, S. J.</author>
      <dc:format>Artikel</dc:format>
      <dc:subject>Ringen</dc:subject>
      <dc:subject>Freier Ringkampf</dc:subject>
      <dc:subject>Gewicht</dc:subject>
      <dc:subject>Regulation</dc:subject>
      <dc:subject>Wasserhaushalt</dc:subject>
      <dc:subject>Kraft</dc:subject>
      <dc:subject>Hormon</dc:subject>
      <dc:format>Artikel</dc:format>
      <dc:creator>Kraemer, W. J.</dc:creator>
      <dc:creator>Fry, A. C.</dc:creator>
      <dc:creator>Rubin, M. R.</dc:creator>
      <dc:creator>Triplett-McBride, T.</dc:creator>
      <dc:creator>Gordon, S. E.</dc:creator>
      <dc:creator>Koziris, L. P.</dc:creator>
      <dc:creator>Lynch, J. M.</dc:creator>
      <dc:creator>Volek, J. S.</dc:creator>
      <dc:creator>Meuffels, D. E.</dc:creator>
      <dc:creator>Newton, R. U.</dc:creator>
      <dc:creator>Fleck, S. J.</dc:creator>
      <content:encoded><![CDATA[Zielstellung:
Untersuchung der physiologischen  und Leistungsreaktionen bei einem simulierten Turnier im Freistilringen nach von Amateurringern angewandten typischen Gewichtsreduzierungmethoden.
Methoden/probanden:
12 College-Ringer (19,33+/-1,16 Jahre) verloren während  der Woche  vor einem 2-tägigen simulierten Turniers im Freistilringen 6% ihres Gesamtkörpergewichts. Sie absolvierten zunächst eine Testbatterie als Ausgangstest.  Diese wurde ebenfalls vor und kurz nach jedem Kampf durchgeführt. Die Testbatterie umfasste: Körperbaumessungen, Reaktions-/Bewegungszeit, Unter- und Oberkörperkraft, isokinetische Kraft, venöse Blutproben.
Ergebnisse:
Die isometrische Unter- und Oberkörperkraft war im Verlauf des Turniers signifikant vermindert. Nach jedem Kampf waren Testosteron, Kortisol und Laktat signifikant erhöht. Noradrenalin stieg signifikant nach jedem Kampf, während Adrenalin nach jedem Kampf signifikant anstieg außer beim letzten Kampf an jedem Tag. Die Plasmaosmolalität war zu allen Zeiten konsistent höher einschließlich bei den Ausgangstests als die Normalwerte mit signifikanten Anstiegen nach jedem Kampf.]]></content:encoded>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Physiologische und Leistungsreaktionen beim Ringen während eines Turniers</title>
      <pubDate>Mon, 01 Jan 2001 01:09:16 +0100</pubDate>
      <link>https://sponet.de/sponet/Record/4006153</link>
      <guid>https://sponet.de/sponet/Record/4006153</guid>
      <author>Kraemer, W. J.</author>
      <author>Fry, A. C.</author>
      <author>Rubin, M. R.</author>
      <author>Triplett-McBride, T.</author>
      <author>Gordon, S. E.</author>
      <author>Perry Koziris, L.</author>
      <author>Lynch, J. M.</author>
      <author>Volek, J. S.</author>
      <author>Meuffels, D. E.</author>
      <author>Newton, R. U.</author>
      <author>Fleck, S. J.</author>
      <dc:format>Artikel</dc:format>
      <dc:subject>Freier Ringkampf</dc:subject>
      <dc:subject>Hormon</dc:subject>
      <dc:subject>Körperbau</dc:subject>
      <dc:subject>Kraft</dc:subject>
      <dc:subject>Ringen</dc:subject>
      <dc:subject>Sportphysiologie</dc:subject>
      <dc:subject>Stoffwechsel</dc:subject>
      <dc:subject>Wettkampf</dc:subject>
      <dc:format>Artikel</dc:format>
      <dc:creator>Kraemer, W. J.</dc:creator>
      <dc:creator>Fry, A. C.</dc:creator>
      <dc:creator>Rubin, M. R.</dc:creator>
      <dc:creator>Triplett-McBride, T.</dc:creator>
      <dc:creator>Gordon, S. E.</dc:creator>
      <dc:creator>Perry Koziris, L.</dc:creator>
      <dc:creator>Lynch, J. M.</dc:creator>
      <dc:creator>Volek, J. S.</dc:creator>
      <dc:creator>Meuffels, D. E.</dc:creator>
      <dc:creator>Newton, R. U.</dc:creator>
      <dc:creator>Fleck, S. J.</dc:creator>
      <content:encoded><![CDATA[PURPOSE: The purpose of this study was to investigate the physiological and performance responses to a simulated freestyle wrestling tournament after typical weight loss techniques used by amateur wrestlers. METHODS: Twelve Division I collegiate wrestlers (mean +/- SD;19.33 +/- 1.16 yr) lost 6% of total body weight during the week before a simulated, 2-d freestyle wrestling tournament. A battery of tests was performed at baseline and before and immediately after each individual match of the tournament. The test battery included assessment for body composition, reaction/movement time, lower and upper body power and isokinetic strength, and a venous blood sample. RESULTS: Lower body power and upper body isometric strength were significantly reduced as the tournament progressed (P </= 0.05). Significant elevations in testosterone, cortisol, and lactate were observed after each match (P </= 0.05). However, there was a significant reduction (P </= 0.05) in resting testosterone values in the later matches. Norepinephrine increased significantly (P </= 0.05) after each match, whereas epinephrine increased significantly (P </= 0.05) after each match except the last match of each day. Plasma osmolality was consistently higher than normal values at all times including baseline, with significant increases observed after each match (P </= 0.05). CONCLUSIONS: Tournament wrestling augments the physiological and performance decrements of weight loss and its impact is progressive over 2 d of competition. The combined effects of these stresses may ultimately be reflected in a wrestler's ability to maintain physical performance throughout a tournament.]]></content:encoded>
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