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    <item>
      <title>Faktoren, die die Unterwasserphase des Schwimmstarts beeinflussen</title>
      <pubDate>Thu, 01 Jan 2015 06:51:36 +0100</pubDate>
      <link>https://sponet.de/sponet/Record/4048465</link>
      <guid>https://sponet.de/sponet/Record/4048465</guid>
      <author>Tor, E.</author>
      <dc:format>Dissertation</dc:format>
      <dc:subject>Schwimmen</dc:subject>
      <dc:subject>Start</dc:subject>
      <dc:subject>Leistungsfaktor</dc:subject>
      <dc:subject>Absprung</dc:subject>
      <dc:subject>Geschwindigkeit</dc:subject>
      <dc:subject>Biomechanik</dc:subject>
      <dc:subject>Bewegung</dc:subject>
      <dc:subject>Bewegungskoordination</dc:subject>
      <dc:subject>Leistung</dc:subject>
      <dc:format>Dissertation</dc:format>
      <dc:creator>Tor, E.</dc:creator>
      <content:encoded><![CDATA[The start in swimming is crucial to performance in competition. Following the introduction of the Omega OSB11 block in 2010 saw the evolution of the kick-start, a number of studies have demonstrated that this technique is advantageous to start performance due to the increase in horizontal take-off velocity. Consequently, swimmers are now utilising this technique during competition and this evolution in technique has highlighted the need to re-evaluate swimming start literature. The swimming start is typically broken into three phases; on-block, flight and underwater, with swimmers spending the longest amount of time in the underwater phase. The overall aim of this thesis was to investigate the main factors that affect the underwater phase of the swimming start. To achieve this, the thesis was broken into four sections; the first section characterised the elite swimming start using the kick-start technique and identified key parameters that affect overall start performance. The second section compared three underwater trajectories used by elite swimmers and found that the fastest trajectory is a trade-off between utilising a depth that would reduce resistance while not introducing excessive vertical translation. The third section investigated the relationship between drag, velocity and depth and how it affects the underwater phase. Using the findings from the first three sections theoretical recommendations were established for the ideal underwater trajectory that elite swimmers should adopt to reduce resistance and achieve better start performances. These recommendations were then implemented in the fourth section which aimed to determine if precise quantitative biomechanical feedback could be used to train swimmers to their ideal underwater trajectory. The outcomes of this research highlight the value of a multidisciplinary approach and provide recommendations which can be used practically by coaches and sport scientists in the future to effectively improve start performances.]]></content:encoded>
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    <item>
      <title>Einflusfaktoren auf die Unterwasserphase des Schwimmstarts</title>
      <pubDate>Thu, 01 Jan 2015 06:51:36 +0100</pubDate>
      <link>https://sponet.de/sponet/Record/4046240</link>
      <guid>https://sponet.de/sponet/Record/4046240</guid>
      <author>Tor, E.</author>
      <author>Pease, D.</author>
      <author>Ball, K.</author>
      <author>Farrow, D.</author>
      <dc:format>Power Point Präsentation</dc:format>
      <dc:subject>Biomechanik</dc:subject>
      <dc:subject>Hydrodynamik</dc:subject>
      <dc:subject>Schwimmen</dc:subject>
      <dc:subject>Start</dc:subject>
      <dc:subject>Feedback</dc:subject>
      <dc:format>Power Point Präsentation</dc:format>
      <dc:creator>Tor, E.</dc:creator>
      <dc:creator>Pease, D.</dc:creator>
      <dc:creator>Ball, K.</dc:creator>
      <dc:creator>Farrow, D.</dc:creator>
      <content:encoded><![CDATA[Vortrag auf dem Young Experts Workshop - Swim Start Research"  2015 in Kassel mit biomechanischer Betrachtung des Schwimmstarts.
Bachground:
Start performance is highly related to overall competition performance.
•The use of the kick-start has been proven to be advantageous.
•The kick-start technique has not widely been researched.
•Even less research on the underwater phase of the kick-start technique.
Overall aim:
•To investigate the factors that affect the underwater phase of the swimming start.
Specific aims:
•To use a novel multi-disciplinary approach to investigate the swimming start.
•To use biomechanical feedback to train swimmers to their ideal underwater trajectory
Outline:
•Study 1 -Reliability of the WetplateAnalysis System.
•Study 2 -Characteristics of an elite swimming start.
•Study 3 -Key parameters of elite swimming start performance.
•Study 4 -Do swimmers always perform better using their preferred technique?
•Study 5 -Comparing three underwater trajectories
•Study 6 -How does drag affect the underwater phase of the swimming start?
•Study 7 -Can biomechanical feedback be used to change the underwater trajectory of the swimming start?
Implications of findings:
•Biomechanical feedback can be used as an effective tool to alter start performance.
•Individualised approaches to technique improvement using biomechanical feedback should be considered more in the future, particularly with elite athletes.
•Sport Scientists and Coaches should be careful not to overload athletes when providing feedback.
Practical applications:
•There is a lot that can be done during the underwater phase to reduce deceleration.
•Biomechanical feedback can be useful for improving technique if used properly.
•For the greatest improvements in swimming technique use a multi-disciplinary approach.
Take-home messages:
•Swimmers will spend the longest amount of time in the underwater phase.
•The fastest starters are the ones that can maintain the highest velocity for the longest.
•Keep it simple.]]></content:encoded>
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