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Identification of elite performance characteristics in a small sample of taekwondo athletes


Norjali Wazir, Mohd Rozilee Wazir and Hiel, Maxim Van and Mostaert, Mireille and Deconinck, Frederik J. A. and Pion, Johan and Lenoir, Matthieu (2019) Identification of elite performance characteristics in a small sample of taekwondo athletes. PLoS One, 14. art. no. e0217358. pp. 1-12. ISSN 1932-6203


Along with the increasing popularity of taekwondo, there is a need of evidence-based talent identification (TID) and development programs based upon profiles of future elite athletes. This study first aims to investigate the differences between elite and non-elite taekwondo athletes in anthropometry, physical performance and motor coordination. The second aim is to demonstrate the applicability of z-scores in TID research. A total of 98 Taekwondo athletes between 12 and 17 years old were tested using a generic test battery consisting of four anthropometrical (Height, Weight, Fat Percentage, BMI), six physical performance (Sit & Reach, Sprint 5m, Sprint 30m, Counter Movement Jump, Squat Jump, Endurance Shuttle Run) and three motor coordination tests (Moving Sideways, Jumping Sideways, Walking Backwards). Based on the individual success at international competition level, 18 were categorised as elite athletes and 80 were considered as non-elite. T-tests (step 1) on raw test scores and MANOVAs on z-scores (step 2) were conducted to examine differences between the elite and non-elite taekwondo athletes for anthropometry, physical performance and motor coordination tests. Finally, z-scores were reconverted to raw scores to demonstrate practical significance for coaches. Overall, elite taekwondo athletes score better compared to the non-elite group. The MANOVA analysis better scores for elites on fat percentage (-0.55 versus 0.12;p = 0.006), BMI (-0.37 versus 0,08;p = 0.067) sprint speed 30m (-0.48 versus 0.11;p = 0.029), counter movement jump (0.79 versus -0.18;p = 0.000), squat jump (0.42 versus -0.11;p = 0.041), moving sideways (0.79 versus -0.18;p = 0.000) and walking backwards (0.54 versus -0.12;p = 0.006). This study confirms our knowledge on physical profiles of elite taekwondo athletes and expands our knowledge to the domain of motor coordination. This study showed how the z-score method can be used to distinguish between elite and non-elite athletes, the former being low in number by definition.

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Official URL or Download Paper: https://pubmed.ncbi.nlm.nih.gov/31150424/

Additional Metadata

Item Type: Article
Divisions: Faculty of Educational Studies
DOI Number: https://doi.org/10.1371/journal.pone.0217358
Publisher: Public Library of Science
Keywords: Taekwondo; Athletes
Depositing User: Azhar Abdul Rahman
Date Deposited: 23 Sep 2020 07:57
Last Modified: 23 Sep 2020 07:58
Altmetrics: http://altmetrics.com-details.php?domain=psair.upm.edu.my&doi= 10.1371/journal.pone.0217358
URI: http://psasir.upm.edu.my/id/eprint/80133
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