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The Yo-Yo intermitt...
The Yo-Yo intermittent endurance level 2 test: reliability of performance scores, physiological responses and overload characteristics in competitive soccer, basketball and volleyball players
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Papanikolaou, Konstantinos (författare)
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Chatzinikolaou, Athanasios (författare)
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Deli, Chariklia (författare)
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Pontidis, Theodoros (författare)
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Avloniti, Alexandra (författare)
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Leontsini, Diamanda (författare)
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Draganidis, Dimitrios (författare)
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Tsimeas, Panagiotis D. (författare)
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Rafailakis, Lefteris (författare)
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Jamurtas, Athanasios Z. (författare)
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Krustrup, Peter (författare)
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- Mohr, Magni, 1973 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för kost- och idrottsvetenskap,Centrum för hälsa och prestationsutveckling,Department of Food and Nutrition, and Sport Science,Center for Health and Performance
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Fatouros, Ioannis G. (författare)
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(creator_code:org_t)
- 2019-07-05
- 2019
- Engelska.
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Ingår i: Journal of Human Kinetics. - : Termedia Sp. z.o.o.. - 1640-5544 .- 1899-7562. ; 67:1, s. 223-233
- Relaterad länk:
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https://content.scie...
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https://gup.ub.gu.se...
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https://doi.org/10.2...
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Abstract
Ämnesord
Stäng
- The purpose of this study was to evaluate the reliability and reproducibility of the physiological and overload features of the Yo-Yo intermittent endurance test level 2 (Yo-Yo IE2) in competitive male soccer (n = 20), basketball (n = 11), and volleyball players (n = 10). The participants completed Yo-Yo IE2 tests on three separate occasions with assessment of performance, heart rate, running speed, accelerations, decelerations and body load using GPS instrumentation. The intra-class correlation coefficient index, confidence intervals and coefficients of variation were calculated to assess the reliability of the test. Intra-class correlation coefficients for test-retest trials in the total sample ranged from large to nearly perfect (total distance: 0.896; mean speed: 0.535; maximum speed: 0.715; mean HR: 0.876; maximum HR: 0.866; body load: 0.865). The coefficients of variation for distance, mean speed, HR response, as well as acceleration and deceleration scores for test-retest trials ranged from 1.2 to 12.5% with no differences observed among particular sport disciplines. The CV for shuttles performed ranged from 4.4 to 5.5% in all sports. Similar results were obtained for the three different categories of players tested. These results suggest that the Yo-Yo IE2 test appears to be a reliable alternative for evaluating the ability to perform intermittent high-intensity running in different outdoor and indoor team sports. Players may need one or two familiarization tests to ensure valid assessment of intermittent endurance capacity. It appears that the Yo-Yo IE2 test incorporates accelerations and decelerations in a consistent and reproducible fashion.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Idrottsvetenskap (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Sport and Fitness Sciences (hsv//eng)
Nyckelord
- acceleration
- aerobic capacity
- deceleration
- endurance
- HR
- running speed
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- art (ämneskategori)
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Deli, Chariklia
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- MEDICIN OCH HÄLSOVETENSKAP
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MEDICIN OCH HÄLS ...
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Journal of Human ...
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Göteborgs universitet