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    <title>Results for Versions - 4058442</title>
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    <item>
      <title>Wirkung einer L-Carnitin-Einzeldosis auf die Laktatproduktion bei Belastung mit hoher Intensität und geringem Umfang</title>
      <pubDate>Tue, 01 Jan 2019 03:14:55 +0100</pubDate>
      <link>https://sponet.de/sponet/Record/4058442</link>
      <guid>https://sponet.de/sponet/Record/4058442</guid>
      <author>Martin, S. A.</author>
      <author>Hadmas, R. M.</author>
      <author>Graur, C.</author>
      <dc:format>Artikel</dc:format>
      <dc:subject>Supplementierung</dc:subject>
      <dc:subject>Aminosäure</dc:subject>
      <dc:subject>Relation</dc:subject>
      <dc:subject>Laktat</dc:subject>
      <dc:subject>Belastungsintensität</dc:subject>
      <dc:subject>Belastungsumfang</dc:subject>
      <dc:format>Artikel</dc:format>
      <dc:creator>Martin, S. A.</dc:creator>
      <dc:creator>Hadmas, R. M.</dc:creator>
      <dc:creator>Graur, C.</dc:creator>
      <content:encoded><![CDATA[Chronic  oral  ingestion  of  L-Carnitine  can  increase  muscle  carnitine  and  alter  muscle  metabolism during  exercise.  Yet,  few  similar  results  are  published  regarding  acute  oral  ingestion  and  performance improvement. Our hypothesis is that non-mitochondrial ATP resynthesize is increased along with Carnitine acetylation,   influencing   lactate   metabolism,   and   individual   performance   over   single   oral   ingestion. Therefore, our  propose  will be to test the  current hypothesis by monitoring performance indicators, during 30 seconds Squad Jump Test, after 4.5 g of L-Carnitine oral ingestion. Fourteen football players (n = 14) with a  median  age  of  19  years  old  (18 -22),  71  kg  (65 -74.5)  median  body  weight  of  and  170.9  cm  (168 -176.5) height were recruited in the study. Study protocol consisted of two 30 seconds Squad Jump Tests (SJT). The test were conducted before (Test 1) and after one  single  oral supplementation dose  (4.5 g)  with L-Carnitine (T2).  Of  the  fourteen  subjects  (n  =  14)  all  of  them  were  allocated  to  L-Carnitine  ingestion  after  T1  test.  The ingestion  consisted  of  4.5  g/day.  After  5  days  the  athletes  re  performed  in  T2  30  seconds  SJT.  To  avoid circadian  rhythm  influence,  similar  conditions  were  respected.  The  statistical  analysis  were  conducted  by using  SPSS  20.  software.  The  level  of  significancewas  set  at a=0.05. Comparative  changes  were  measured between T1 and T2. During T1, 1th rep, Tf was not significant different (p=1.00) from Tf, T2, 1th repetition, as seen through 0.43 (0.38-0.48) vs. 0.43 s (0.38-0.48) and 0.46 s (0.42-0.50) values. Similar data was observed during  1th  repetition  between  Ct:  0.66  (0.58 -0.92)  vs.  0.66  s  (0.58 -0.92)  (p=0.826).  An  improved performance can be unlikely due to L-Carnitine, as seen through Lactate accumulation. Further on, we must take into account a possibleeffect over Lactate tolerance which might favoured improved performance over T2unlike T1]]></content:encoded>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Wirkung einer einzelnen L-Carnitin-Dosis auf die Laktatproduktion bei Belastung mit hoher Intensität und geringem Umfang</title>
      <pubDate>Tue, 01 Jan 2019 03:14:55 +0100</pubDate>
      <link>https://sponet.de/sponet/Record/4058412</link>
      <guid>https://sponet.de/sponet/Record/4058412</guid>
      <author>Martin, S. A.</author>
      <dc:format>Artikel</dc:format>
      <dc:subject>Sportphysiologie</dc:subject>
      <dc:subject>Laktat</dc:subject>
      <dc:subject>Relation</dc:subject>
      <dc:subject>Aminosäure</dc:subject>
      <dc:subject>Supplementierung</dc:subject>
      <dc:subject>Fußball</dc:subject>
      <dc:format>Artikel</dc:format>
      <dc:creator>Martin, S. A.</dc:creator>
      <content:encoded><![CDATA[Chronic oral ingestion of L-Carnitine can increase muscle carnitine and alter muscle metabolism during exercise. Yet, few similar results are published regarding acute oral ingestion and performance improvement. Our hypothesis is that non-mitochondrial ATP resynthesize is increased along with Carnitine acetylation, influencing lactate metabolism, and individual performance over single oral ingestion. Therefore, our propose will be to test the current hypothesis by monitoring performance indicators, during 30 seconds Squad Jump Test, after 4.5 g of L-Carnitine oral ingestion. Fourteen football players (n = 14) with a median age of 19 years old (18 - 22), 71 kg (65 - 74.5) median body weight of and 170.9 cm (168 - 176.5) height were recruited in the study. Study protocol consisted of two 30 seconds Squad Jump Tests (SJT). The test were conducted before (Test 1) and after one single oral supplementation dose (4.5 g) with L-Carnitine (T2). Of the fourteen subjects (n = 14) all of them were allocated to L-Carnitine ingestion after T1 test. The ingestion consisted of 4.5 g/day. After 5 days the athletes re performed in T2 30 seconds SJT. To avoid circadian rhythm influence, similar conditions were respected. The statistical analysis were conducted by using SPSS 20. software. The level of significance was set at a=0.05. Comparative changes were measured between T1 and T2. During T1, 1th rep, Tf was not significant different (p=1.00) from Tf, T2, 1th repetition, as seen through 0.43 (0.38-0.48) vs. 0.43 s (0.38-0.48) and 0.46 s (0.42-0.50) values. Similar data was observed during 1th repetition between Ct: 0.66 (0.58 - 0.92) vs. 0.66 s (0.58 - 0.92) (p=0.826). An improved performance can be unlikely due to L-Carnitine, as seen through Lactate accumulation. Further on, we must take into account a possible effect over Lactate tolerance which might favoured improved performance over T2 unlike T1.]]></content:encoded>
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