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    <title>Ergebnis für Versionen - 3033697</title>
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      <title>Beziehung zwischen Unterhautfettanteil und Leptin bei männlichen Sportlern</title>
      <pubDate>Mon, 01 Jan 2001 07:51:00 +0100</pubDate>
      <link>https://sponet.de/sponet/Record/3033697</link>
      <guid>https://sponet.de/sponet/Record/3033697</guid>
      <author>Sudi, K.</author>
      <author>Jürimäe, J.</author>
      <author>Payerl, D.</author>
      <author>Pihl, E.</author>
      <author>Möller, R.</author>
      <author>Tafeit, E.</author>
      <author>Jürimäe, T.</author>
      <dc:format>Artikel</dc:format>
      <dc:subject>Fett</dc:subject>
      <dc:subject>Stoffwechsel</dc:subject>
      <dc:subject>Genetik</dc:subject>
      <dc:subject>Hormon</dc:subject>
      <dc:subject>Körperbau</dc:subject>
      <dc:subject>Ausdauerdisziplinen</dc:subject>
      <dc:subject>Kraft-Schnellkraft-Disziplin</dc:subject>
      <dc:format>Artikel</dc:format>
      <dc:creator>Sudi, K.</dc:creator>
      <dc:creator>Jürimäe, J.</dc:creator>
      <dc:creator>Payerl, D.</dc:creator>
      <dc:creator>Pihl, E.</dc:creator>
      <dc:creator>Möller, R.</dc:creator>
      <dc:creator>Tafeit, E.</dc:creator>
      <dc:creator>Jürimäe, T.</dc:creator>
      <content:encoded><![CDATA[Von 20 Ausdauersportlern (ET) und 17 Kraftsportlern (RT) aus verschiedenen Sportarten der nationalen Klasse Estlands wurden fettfreie Masse (FFM), Fettmasse (FM) und Unterhautfett (SAT) und seine Verteilung an 15 verschiedenen Körperstellen bestimmt. Weiterhin wurden Leptin, Insulin und Glukose untersucht.
Ergebnisse:
Die RT-Sportler wiesen eine größere Körpermasse und einen größeren Körperfettanteil  als die ET-Sportler auf. Keine Unterschiede wurden bei Leptin und den Stoffwechselparametern gefunden. Bei allen Sportlern korrelierten die Werte für Adipositas mit Leptin. Bei den ET-Sportlern korrelierten die FM, FFM und SAT, jedoch nicht die Stoffwechselparameter mit Leptin. Bei den RT-Sportlern korrelierten SAT und die Stoffwechselparametern mit Leptin, jedoch nicht die FM und FFM. SAT erwies sich bei allen Sportlern als die Hauptdeterminante für die Variation von Leptin.]]></content:encoded>
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    <item>
      <title>Beziehung zwischen Unterhautfettanteil und Leptin bei männlichen Sportlern</title>
      <pubDate>Mon, 01 Jan 2001 07:51:00 +0100</pubDate>
      <link>https://sponet.de/sponet/Record/4006157</link>
      <guid>https://sponet.de/sponet/Record/4006157</guid>
      <author>Sudi, K.</author>
      <author>Jurimae, J.</author>
      <author>Payerl, D.</author>
      <author>Pihl, E.</author>
      <author>Moller, R.</author>
      <author>Tafeit, E.</author>
      <author>Jurimae, T.</author>
      <dc:format>Artikel</dc:format>
      <dc:subject>Training</dc:subject>
      <dc:subject>Stoffwechsel</dc:subject>
      <dc:subject>männlich</dc:subject>
      <dc:subject>Kraft</dc:subject>
      <dc:subject>Körperbau</dc:subject>
      <dc:subject>Genetik</dc:subject>
      <dc:subject>Fett</dc:subject>
      <dc:subject>Ausdauer</dc:subject>
      <dc:subject>Adipositas</dc:subject>
      <dc:format>Artikel</dc:format>
      <dc:creator>Sudi, K.</dc:creator>
      <dc:creator>Jurimae, J.</dc:creator>
      <dc:creator>Payerl, D.</dc:creator>
      <dc:creator>Pihl, E.</dc:creator>
      <dc:creator>Moller, R.</dc:creator>
      <dc:creator>Tafeit, E.</dc:creator>
      <dc:creator>Jurimae, T.</dc:creator>
      <content:encoded><![CDATA[Purpose: Circulating leptin is low in trained subjects and closely related to body fat content. However, data are scarce as to whether differences exist in the relationship between different estimates of adiposity, metabolic parameters, and leptin in endurance- and resistance-trained male athletes. We investigated this relationship with special emphasis on subcutaneous fatness and its distribution. Methods: 20 endurance (ET) and 17 resistance (RT) athletes recruited from different kind of sports were studied. Fat-free mass (FFM) was estimated by means of impedance and fat mass (FM) was calculated. Subcutaneous fat (SAT) and its distribution was measured by means of the optical device Lipometer at 15 body sites (SAT-layers; from 1-neck to 15-calf) on the right side of the body. Fifteen SAT-layers were summed to calculate SAT. Blood samples were obtained for determination for leptin, insulin, and glucose. Insulin resistance was calculated through the fasting insulin resistance index (FIRI; [insulin x glucose/25]). Results: RT-athletes had a greater body mass and body fat content than ET-athletes, but no differences were found for leptin and metabolic parameters. In all athletes, estimates of adiposity were correlated to leptin. However, in ET-athletes FM (P < 0.05), FFM (P < 0.05), and SAT (P < 0.001) but not metabolic parameters were correlated to leptin. In RT-athletes, SAT (P < 0.0001), metabolic parameters (all P < 0.05), but not FM and FFM were in significant relationship with leptin. Stepwise regression revealed SAT as the main determinant for the variation in leptin in all athletes (adj. R2 = 0.52, P < 0.0001). Conclusion: The results suggest that estimates of adiposity and metabolic parameters are associated with leptin in a sport-specific manner. Whereas leptin might be regulated by overall subcutaneous fatness in athletes, our study does not imply a main influence of fat patterning on leptin in this group of trained subjects.]]></content:encoded>
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