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    <item>
      <title>Arm- und Bein-Wattleistung bei Schwimmern während simulierten Schwimmens</title>
      <pubDate>Sat, 01 Jan 2000 12:19:15 +0100</pubDate>
      <link>https://sponet.de/sponet/Record/3032100</link>
      <guid>https://sponet.de/sponet/Record/3032100</guid>
      <author>Swaine, I. L.</author>
      <dc:format>Artikel</dc:format>
      <dc:subject>Schwimmen</dc:subject>
      <dc:subject>Ergometrie</dc:subject>
      <dc:subject>Kraft</dc:subject>
      <dc:subject>Leistung</dc:subject>
      <dc:subject>Arm</dc:subject>
      <dc:subject>Bein</dc:subject>
      <dc:format>Artikel</dc:format>
      <dc:creator>Swaine, I. L.</dc:creator>
      <content:encoded><![CDATA[Zielstellung:
Bestimmung der Armzug- und Beinschlagleistung von Schwimmern mittels isokinetischer Ergometrie. 
Methoden/Probanden:
22 hochtrainierte männliche Schwimmer (23+/-3,6 Jahre) absolvierten zuerst Maximalbelastungen über 10 s bei 5 festgesetzten Widerständen mit einer Stunden Erholung dazwischen zur Bestimmung der maximalen Zuggeschwindigkeit (MPVopt). Danach folgten maximale 30-s-Tests bei MPVopt, die am nächsten Tag wiederholt wurden. Diese Wiederholungstests wurden getrennt für Kraularmzug (Schwimmbank) und Kraulbeinschlag (Schlagergometer) ausgeführt. Maximale (PPO) und mittlere Wattleistung (MPO) wurden mittels Regressionsanalyse der Leistungs-Zeit-Beziehung ermittelt.
Ergebnisse:
Die mittleren PPO für Arme und Beine betrugen 304+/-22 W zu 435+/36 W, für  MPO entsprechend 225+/-31 W und 312+/-26 W. Diese Werte wurden bei mittleren MPVopt von 2,5+/-0,2 ms für die Arme und 2,3+/-0,4 ms für die Beine erzielt. Die Variation in der PPO aus den Wiederholungstests betrug 7,3% für die Arme und 8,3% für die Beine.
Schlussfolgerung:
Die Beine können eine höhere Wattleistung  als die Arme beim simulierten Schwimmen beibehalten.]]></content:encoded>
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    <item>
      <title>Arm- und Beinkraftleistung bei Schwimmern während simulierten Schwimmens</title>
      <pubDate>Sat, 01 Jan 2000 12:19:15 +0100</pubDate>
      <link>https://sponet.de/sponet/Record/4004426</link>
      <guid>https://sponet.de/sponet/Record/4004426</guid>
      <author>Swaine, I. L.</author>
      <dc:format>Artikel</dc:format>
      <dc:subject>Schwimmen</dc:subject>
      <dc:subject>Leistungsdiagnostik</dc:subject>
      <dc:subject>Leistung</dc:subject>
      <dc:subject>Kraft</dc:subject>
      <dc:subject>Ergometrie</dc:subject>
      <dc:subject>Bein</dc:subject>
      <dc:subject>Arm</dc:subject>
      <dc:format>Artikel</dc:format>
      <dc:creator>Swaine, I. L.</dc:creator>
      <content:encoded><![CDATA[Purpose: Previously, it has not been possible to compare power output of the arms and legs during simulated swimming using dry-land ergometry. The purpose of this study was to determine arm-pulling and leg-kicking power using isokinetic dry-land ergometry. Methods: Twenty-two highly trained male swimmers of mean (± SD) age, 23 ± 3.6 yr; body mass, 78 ± 5.9 kg; and stature, 1.79 ± 0.04 m were recruited to the study. First, subjects performed 10 s of all-out exercise at each of five resistance settings, with 1 h rest in between, to determine the best maximal pull velocity (MPVopt). Second, they performed an all-out 30-s test at MPVopt, which was repeated the following day. These repeated 30-s tests were performed separately using simulated front-crawl arm-pulling and leg-kicking, on a computer-interfaced swim bench and purpose-built leg-kicking ergometer. Peak and mean power output (PPO; MPO) were determined from regression analysis of the power vs time relationship. Results: The mean (± SEM) PPO for arms and legs were 304 ± 22 W versus 435 ± 36 W. For MPO, the means were 225 ± 31 W vs 312 ± 26 W, respectively. These values were attained at mean MPVopt of 2.5 ± 0.2 m·s-1 for arms and 2.3 ± 0.4 m·s-1 for legs. The variation in PPO from repeated testing was 7.3% for arms and 8.3% for legs. Conclusions: These results show that the legs can sustain greater power output than the arms during simulated swimming. Also, the intra-subject variation in measurement of power output is small using these dry-land ergometers. These methods of assessment might be useful in explaining swimming performance and in monitoring changes that take place during training.]]></content:encoded>
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