Biology of Sport
eISSN: 2083-1862
ISSN: 0860-021X
Biology of Sport
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4/2022
vol. 39
 
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abstract:
Original paper

Reliability, criterion-concurrent validity, and construct-discriminant validity of a head-marking version of the taekwondo anaerobic intermittent kick test

Amel Tayech
1, 2
,
Mohamed Arbi Mejri
1, 2
,
Issam Makhlouf
1, 2
,
Aaron Uthof
3
,
Mourad Hambli
1
,
David G. Behm
4
,
Anis Chaouachi
1, 3, 5

1.
Tunisian Research Laboratory “Sports Performance Optimization”, National Center of Medicine and Science in Sports (CNMSS), Tunis, Tunisia
2.
High Institute of Sport and Physical Education, Ksar-Saïd, Manouba University, Tunis, Tunisia
3.
AUT University, Sports Performance Research Institute New Zealand, Auckland, New Zealand
4.
School of Human Kinetics and Recreation, Memorial University of Newfoundland, St. John’s, Newfoundland, Canada
5.
High Institute of Sport and Physical Education, Sfax University, Sfax, Tunisia
Biol Sport. 2022;39(4):951–963
Online publish date: 2021/11/25
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This study aimed to examine the reliability and validity of a head-marking version of the taekwondo anaerobic intermittent kick test (TAIKT-head). Twenty-seven (21 males and 6 females) taekwondo athletes performed TAIKT-head on two occasions (test-retest). In addition, they performed the chest-marking version of the TAIKT (TAIKT-chest), 30-s continuous jump (CJ30s), countermovement jump (CMJ) and flexibility tests. To establish TAIKT-head’s construct validity (discriminatory capability), two subgroups were identified based on their international and national taekwondo results: 15 elite (12 males and 3 females) and 12 sub-elite (9 males and 3 females) athletes. TAIKT-head showed high relative (ICCs ≥ 0.90) and absolute (SEMs < SWCs) reliability. The comparison between TAIKT-head and TAIKT-chest revealed that absolute and relative peak and mean powers were higher (p < 0.001) in TAIKT-head than in TAIKT-chest. In contrast, the fatigue index and rating of perceived exertion were lower in TAIKT-head than in TAIKT-chest (p < 0.001 and p < 0.01, respectively), with no significant difference between the two tests regarding physiological variables. Significant correlations between TAIKT-head and TAIKT-chest (r ranged from 0.74 to 0.53), CJ30s (r ranged from 0.84 to 0.43), and CMJ (r ranged from 0.88 to 0.79) were mostly “very large”. There was no association between TAIKT-head and flexibility tests. Elite athletes showed greater TAIKT-head performances than sub-elite counterparts. Receiving operating characteristic analysis indicated that the TAIKT-head effectively discriminated between elite and subelite athletes. In conclusion, the TAIKT-head is a reliable and valid test to evaluate the specific intermittent anaerobic power of taekwondo athletes through the most used kicking technique at the head level.
keywords:

martial arts, 30-s continuous jump test, elite athletes, smart electronic scoring system, sport-specific performance, sensitivity

 
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