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      <title>Auswirkung von Beta-Alanin mit und ohne doppeltkohlensaurem Natron auf die 2000-m-Ruderleistung</title>
      <pubDate>Tue, 01 Jan 2013 11:33:38 +0100</pubDate>
      <link>https://sponet.de/sponet/Record/4030785</link>
      <guid>https://sponet.de/sponet/Record/4030785</guid>
      <author>Hobson, R. M.</author>
      <author>Harris, R. C.</author>
      <author>Martin, D.</author>
      <author>Smith, P.</author>
      <author>Macklin, B.</author>
      <author>Gualano, B.</author>
      <author>Sale, C.</author>
      <dc:format>Artikel</dc:format>
      <dc:subject>Rudern</dc:subject>
      <dc:subject>Ernährung</dc:subject>
      <dc:subject>Supplementierung</dc:subject>
      <dc:subject>Relation</dc:subject>
      <dc:subject>Leistung</dc:subject>
      <dc:format>Artikel</dc:format>
      <dc:creator>Hobson, R. M.</dc:creator>
      <dc:creator>Harris, R. C.</dc:creator>
      <dc:creator>Martin, D.</dc:creator>
      <dc:creator>Smith, P.</dc:creator>
      <dc:creator>Macklin, B.</dc:creator>
      <dc:creator>Gualano, B.</dc:creator>
      <dc:creator>Sale, C.</dc:creator>
      <content:encoded><![CDATA[To examine the effect of beta-alanine only and beta-alanine with sodium bicarbonate supplementation on 2,000-m rowing performance. Methods: Twenty well-trained rowers (age 23 ± 4 y; height 1.85 ± 0.08 m; body mass 82.5 ± 8.9 kg) were assigned to either a placebo or beta-alanine (6.4 g·d-1 for 4 weeks) group. A 2,000-m rowing time trial (TT) was performed before supplementation (Baseline) and after 28 and 30 days of supplementation. The post supplementation trials involved supplementation with either maltodextrin or sodium bicarbonate in a double-blind, crossover design, creating four study conditions (placebo with maltodextrin; placebo with sodium bicarbonate; beta-alanine with maltodextrin; beta-alanine with sodium bicarbonate). Blood lactate, pH, bicarbonate, and base excess were measured pre-TT, immediately post-TT and at TT+5 min. Performance data were analyzed using magnitude based inferences. Results: Beta-alanine supplementation was very likely to be beneficial to 2,000-m rowing performance (6.4 ± 8.1 s effect compared with placebo), with the effect of sodium bicarbonate having a likely benefit (3.2 ± 8.8 s). There was a small (1.1 ± 5.6 s) but possibly beneficial additional effect when combining chronic beta-alanine supplementation with acute sodium bicarbonate supplementation compared with chronic beta-alanine supplementation alone. Sodium bicarbonate ingestion led to increases in plasma pH, base excess, bicarbonate, and lactate concentrations. Conclusions: Both chronic beta-alanine and acute sodium bicarbonate supplementation alone had positive effects on 2,000-m rowing performance. The addition of acute sodium bicarbonate to chronic beta-alanine supplementation may further enhance rowing performance.]]></content:encoded>
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    <item>
      <title>Auswirkung von Beta-Alanain mit oder ohne Natriumbikarbonat auf die 2000-m-Ruderleistung</title>
      <pubDate>Tue, 01 Jan 2013 11:33:38 +0100</pubDate>
      <link>https://sponet.de/sponet/Record/4029904</link>
      <guid>https://sponet.de/sponet/Record/4029904</guid>
      <author>Hobson, R. M.</author>
      <dc:format>Artikel</dc:format>
      <dc:subject>Rudern</dc:subject>
      <dc:subject>Hochleistungssport</dc:subject>
      <dc:subject>Leistungssport</dc:subject>
      <dc:subject>Leistung</dc:subject>
      <dc:subject>Relation</dc:subject>
      <dc:subject>Ernährung</dc:subject>
      <dc:subject>Supplementierung</dc:subject>
      <dc:format>Artikel</dc:format>
      <dc:creator>Hobson, R. M.</dc:creator>
      <content:encoded><![CDATA[To examine the effect of beta-alanine only and beta-alanine with sodium bicarbonate supplementation on 2,000-m rowing performance. 
Methods: Twenty well-trained rowers (age 23 ± 4 y; height 1.85 ± 0.08 m; body mass 82.5 ± 8.9 kg) were assigned to either a placebo or beta-alanine (6.4 g·d-1 for 4 weeks) group. A 2,000-m rowing time trial (TT) was performed before supplementation (Baseline) and after 28 and 30 days of supplementation. The post supplementation trials involved supplementation with either maltodextrin or sodium bicarbonate in a double-blind, crossover design, creating four study conditions (placebo with maltodextrin; placebo with sodium bicarbonate; beta-alanine with maltodextrin; beta-alanine with sodium bicarbonate). Blood lactate, pH, bicarbonate, and base excess were measured pre-TT, immediately post-TT and at TT+5 min. Performance data were analyzed using magnitude based inferences. 
Results: Beta-alanine supplementation was very likely to be beneficial to 2,000-m rowing performance (6.4 ± 8.1 s effect compared with placebo), with the effect of sodium bicarbonate having a likely benefit (3.2 ± 8.8 s). There was a small (1.1 ± 5.6 s) but possibly beneficial additional effect when combining chronic beta-alanine supplementation with acute sodium bicarbonate supplementation compared with chronic beta-alanine supplementation alone. Sodium bicarbonate ingestion led to increases in plasma pH, base excess, bicarbonate, and lactate concentrations. 
Conclusions: Both chronic beta-alanine and acute sodium bicarbonate supplementation alone had positive effects on 2,000-m rowing performance. The addition of acute sodium bicarbonate to chronic beta-alanine supplementation may further enhance rowing performance.]]></content:encoded>
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