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    <title>Ergebnis für Versionen - 4089796</title>
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    <item>
      <title>Validität und Reliabilität der tragbaren Kraftplattform Valkyria Trainer Balance® in ihrem isometrischen Modus </title>
      <pubDate>Mon, 01 Jan 2024 04:53:22 +0100</pubDate>
      <link>https://sponet.de/sponet/Record/4089796</link>
      <guid>https://sponet.de/sponet/Record/4089796</guid>
      <author>Huerta Ojeda, Á.</author>
      <author>Beltrán-Inostroza, R.</author>
      <author>Yeomans-Cabrera, M.-M.</author>
      <author>Torres-Bandu, M.</author>
      <dc:format>Artikel</dc:format>
      <dc:subject>Gütekriterien</dc:subject>
      <dc:subject>Kraft</dc:subject>
      <dc:subject>Bodenreaktionskraft</dc:subject>
      <dc:subject>Gerät</dc:subject>
      <dc:subject>Mess- und Informationssystem</dc:subject>
      <dc:subject>Gleichgewicht</dc:subject>
      <dc:subject>maximal</dc:subject>
      <dc:subject>isometrisch</dc:subject>
      <dc:tag>Kraftplattform</dc:tag>
      <dc:tag>Reliabilität</dc:tag>
      <dc:tag>Validität</dc:tag>
      <dc:format>Artikel</dc:format>
      <dc:creator>Huerta Ojeda, Á.</dc:creator>
      <dc:creator>Beltrán-Inostroza, R.</dc:creator>
      <dc:creator>Yeomans-Cabrera, M.-M.</dc:creator>
      <dc:creator>Torres-Bandu, M.</dc:creator>
      <content:encoded><![CDATA[BACKGROUND
Isometric maximal voluntary force (IMVF) is essential for individuals` health and physical performance. Therefore, there is a need for valid and reliable devices to assess IMVF. 

OBJECTIVE
To determine the validity and reliability of the Valkyria Trainer Balance® portable force platform in its isometric mode. 

METHODS
Fifty-eight physically healthy individuals (30 men and 28 women) participated in the study. A repeated measures design was used to compare the inter-day test-retest reliability of peak force. The validity of the Valkyria Trainer Balance® force platform was determined by comparing the peak force with the ArtOficio® force platform. The analysis consisted of the intraclass correlation coefficient (ICC), standard error of measurement (SEM), and coefficient of variation (CV). A CV < 10% and ICC > 0.80 were considered acceptable reliability, while a < 5% and ICC > 0.90 were regarded as high reliability. 

RESULTS
CV the peak force showed high test-retest inter-day reliability (CV = 4.3% and ICC = 0.99). When comparing both force platforms, there was a 1.1% difference between the two devices. 

CONCLUSIONS
The results of this study demonstrate that the Valkyria Trainer Balance® force platform is valid and reliable for assessing IMVF in physically healthy individuals. ]]></content:encoded>
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    <item>
      <title>Gültigkeit und Zuverlässigkeit der tragbaren Kraftplattform Valkyria Trainer Balance® in ihrem isometrischen Modus</title>
      <pubDate>Mon, 01 Jan 2024 04:53:22 +0100</pubDate>
      <link>https://sponet.de/sponet/Record/4089215</link>
      <guid>https://sponet.de/sponet/Record/4089215</guid>
      <author>Huerta Ojeda, Á.</author>
      <author>Beltrán-Inostroza, R.</author>
      <author>Yeomans-Cabrera, M.-M.</author>
      <author>Torres-Banduc, M.</author>
      <dc:format>Artikel</dc:format>
      <dc:subject>Technologie</dc:subject>
      <dc:subject>Messverfahren</dc:subject>
      <dc:subject>Mess- und Informationssystem</dc:subject>
      <dc:subject>Gütekriterien</dc:subject>
      <dc:subject>Kraft</dc:subject>
      <dc:subject>maximal</dc:subject>
      <dc:subject>isometrisch</dc:subject>
      <dc:tag>Kraftplattform</dc:tag>
      <dc:tag>Reliabilität</dc:tag>
      <dc:tag>Validität</dc:tag>
      <dc:format>Artikel</dc:format>
      <dc:creator>Huerta Ojeda, Á.</dc:creator>
      <dc:creator>Beltrán-Inostroza, R.</dc:creator>
      <dc:creator>Yeomans-Cabrera, M.-M.</dc:creator>
      <dc:creator>Torres-Banduc, M.</dc:creator>
      <content:encoded><![CDATA[BACKGROUND: Isometric maximal voluntary force (IMVF) is essential for individuals` health and physical performance. Therefore, there is a need for valid and reliable devices to assess IMVF.

OBJECTIVE: To determine the validity and reliability of the Valkyria Trainer Balance® portable force platform in its isometric mode.

METHODS: Fifty-eight physically healthy individuals (30 men and 28 women) participated in the study. A repeated measures design was used to compare the inter-day test-retest reliability of peak force. The validity of the Valkyria Trainer Balance® force platform was determined by comparing the peak force with the ArtOficio® force platform. The analysis consisted of the intraclass correlation coefficient (ICC), standard error of measurement (SEM), and coefficient of variation (CV). A CV U+2A7D 10% and ICC U+2A7E 0.80 were considered acceptable reliability, while a U+2A7D 5% and ICC U+2A7E 0.90 were regarded as high reliability.

RESULTS: CV the peak force showed high test-retest inter-day reliability (CV = 4.3% and ICC = 0.99). When comparing both force platforms, there was a 1.1% difference between the two devices.

CONCLUSIONS: The results of this study demonstrate that the Valkyria Trainer Balance® force platform is valid and reliable for assessing IMVF in physically healthy individuals.]]></content:encoded>
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