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    <title>Results for Versions - 4030352</title>
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    <item>
      <title>Effekt von Beta-Alanin-Supplementierung auf die Leistung beim 2.000-m-Ruderergometertest</title>
      <pubDate>Tue, 01 Jan 2013 06:55:11 +0100</pubDate>
      <link>https://www.sponet.de/sponet/Record/4030352</link>
      <guid>https://www.sponet.de/sponet/Record/4030352</guid>
      <author>Ducker, K. J.</author>
      <author>Dawson, B.</author>
      <author>Wallman, K. E.</author>
      <dc:format>Artikel</dc:format>
      <dc:subject>Rudern</dc:subject>
      <dc:subject>Ergometrie</dc:subject>
      <dc:subject>Leistung</dc:subject>
      <dc:subject>Relation</dc:subject>
      <dc:subject>Ernährung</dc:subject>
      <dc:subject>Supplementierung</dc:subject>
      <dc:subject>ergogenes Mittel</dc:subject>
      <dc:format>Artikel</dc:format>
      <dc:creator>Ducker, K. J.</dc:creator>
      <dc:creator>Dawson, B.</dc:creator>
      <dc:creator>Wallman, K. E.</dc:creator>
      <content:encoded><![CDATA[Beta-alanine supplementation has been shown to improve exercise performance in short-term high-intensity efforts. However, whether supplementation with beta-alanine is ergogenic to actual sporting events remains unclear and should be investigated in field testing or race simulations. Purpose: The aim of this study was to assess if beta-alanine supplementation could improve 2,000-m rowing-ergometer performance in well-trained male rowers. Methods: Participants (N = 16) completed duplicate trials (2 × before supplementation and 2 × after supplementation) of a 2,000-m rowing-ergometer race separated by 28 days of either beta-alanine (n =7; 80 mg /kg BM/d) or placebo (n = 9; glucose) supplementation. Results: Beta-alanine group (pooled) race times improved by 2.9 ± 4.1 s and placebo group slowed by 1.2 ± 2.9 s, but these results were inconclu- sive for performance enhancement (p = .055, ES = 0.20, smallest worthwhile change = 49% beneficial). Race split times and average power outputs only significantly improved with beta-alanine at the 750-m (time -0.7 s, p = .01, power +3.6%, p = .03) and 1,000-m (time -0.5 s, p = .01, power +2.9%, p = .02) distances. Blood La- and pH postrace values were not different between groups before or after supplementation. Conclusions: Overall, 28 d of beta-alanine supplementation with 80 mg/kg BM/d (~7 g/d) did not conclusively improve 2,000-m rowing-ergometer performance in well-trained rowers.]]></content:encoded>
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    <item>
      <title>Auswirkung von Beta-Alanin-Supplementierung auf die 2.000-m-Ruderergometerleistung</title>
      <pubDate>Tue, 01 Jan 2013 06:55:11 +0100</pubDate>
      <link>https://www.sponet.de/sponet/Record/4029289</link>
      <guid>https://www.sponet.de/sponet/Record/4029289</guid>
      <author>Ducker, K. J.</author>
      <author>Dawson, B.</author>
      <author>Wallman, K. E.</author>
      <dc:format>Artikel</dc:format>
      <dc:subject>Rudern</dc:subject>
      <dc:subject>Ergometrie</dc:subject>
      <dc:subject>Training</dc:subject>
      <dc:subject>Hilfsgerät</dc:subject>
      <dc:subject>Sportgerät</dc:subject>
      <dc:subject>Leistung</dc:subject>
      <dc:subject>Supplementierung</dc:subject>
      <dc:subject>Ernährung</dc:subject>
      <dc:subject>Blut</dc:subject>
      <dc:subject>ergogenes Mittel</dc:subject>
      <dc:format>Artikel</dc:format>
      <dc:creator>Ducker, K. J.</dc:creator>
      <dc:creator>Dawson, B.</dc:creator>
      <dc:creator>Wallman, K. E.</dc:creator>
      <content:encoded><![CDATA[Beta-alanine supplementation has been shown to improve exercise performance in short-term high-intensity efforts. However, whether supplementation with beta-alanine is ergogenic to actual sporting events remains unclear and should be investigated in field testing or race simulations. Purpose: The aim of this study was to assess if beta-alanine supplementation could improve 2,000-m rowing-ergometer performance in well-trained male rowers. Methods: Participants (N = 16) completed duplicate trials (2 × before supplementation and 2 × after supplementation) of a 2,000-m rowing-ergometer race separated by 28 days of either beta-alanine (n =7; 80 mg · kg-1 BM · d-1) or placebo (n = 9; glucose) supplementation. Results: Beta-alanine group (pooled) race times improved by 2.9 ± 4.1 s and placebo group slowed by 1.2 ± 2.9 s, but these results were inconclu- sive for performance enhancement (p = .055, ES = 0.20, smallest worthwhile change = 49% beneficial). Race split times and average power outputs only significantly improved with beta-alanine at the 750-m (time -0.7 s, p = .01, power +3.6%, p = .03) and 1,000-m (time -0.5 s, p = .01, power +2.9%, p = .02) distances. Blood La- and pH postrace values were not different between groups before or after supplementation. Conclusions: Overall, 28 d of beta-alanine supplementation with 80 mg · kg-1 BM · d-1 (~7 g/d) did not conclusively improve 2,000-m rowing-ergometer performance in well-trained rowers.]]></content:encoded>
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