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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Reliability and construct validity of the karate-specific aerobic test
Journal of Strength and Conditioning Research, Volume 26, No. 12, Year 2012
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Description
Reliability and construct validity of the karatespecific aerobic test. J Strength Cond Res 26(12): 3454- 3460, 2012-The aim of this study was to examine absolute and relative reliabilities and external responsiveness of the Karatespecific aerobic test (KSAT). This study comprised 43 male karatekas, 19 of them participated in the first study to establish test-retest reliability and 40, selected on the bases of their karate experience and level of practice, participated in the second study to identify external responsiveness of the KSAT. The latter group was divided into 2 categories: national-level group (Gn) and regional-level group (Gr). Analysis showed excellent test-retest reliability of time to exhaustion (TE), with intraclass correlation coefficient ICC(3,1) .0.90, standard error of measurement (SEM) ,5%: (3.2%) and mean difference (bias) 6 the 95% limits of agreement: 29.5 6 78.8 seconds. There was a significant difference between test-retest session in peak lactate concentration (Peak [La]) (9.12 6 2.59 vs. 8.05 6 2.67 mmol.L-1; p , 0.05) but not in peak heart rate (HRpeak) and rating of perceived exertion (RPE) (196 6 9 vs. 194 6 9 b.min-1 and 7.6 0.93 vs. 7.8 6 1.15; p . 0.05), respectively. National-level karate athletes (1,032 6 101 seconds) were better than regional level (841 6 134 seconds) on TE performance during KSAT (p < 0.001). Thus, KSAT provided good external responsiveness. The area under the receiver operator characteristics curve was .0.70 (0.86; confidence interval 95%: 0.72-0.95). Significant difference was detected in Peak [La] between national- (±.09 6 1.78 mmol.L-1) and regional-level (8.48 6 2.63 mmol.L-1) groups, but not in HRpeak (194 ± 8 vs. 195 6 8 b.min-1) and RPE (7.57 ± 1.15 vs. 7.42 ± 1.1), respectively. The result of this study indicates that KSAT provides excellent absolute and relative reliabilities. The KSAT can effectively distinguish karate athletes of different competitive levels. Thus, the KSAT may be suitable for field assessment of aerobic fitness of karate practitioners. © 2012 National Strength and Conditioning Association.
Authors & Co-Authors
Chaabene, Helmi
Tunisia, Tunis
Institut Supérieur du Sport et de L'education Physique de Ksar-saïd
Tunisia, Manouba
Université de la Manouba
Hachana, Younès S.
Tunisia, Tunis
Institut Supérieur du Sport et de L'education Physique de Ksar-saïd
Tunisia, Manouba
Université de la Manouba
Franchini, Emerson
Tunisia, Manouba
Université de la Manouba
Mkaouer, Bessem
Brazil, Sao Paulo
Universidade de São Paulo
Montassar, Mathlouthi
Tunisia, Manouba
Université de la Manouba
Chamari, K.
Tunisia
National Center of Medicine and Science in Sport
Tunisia, Manouba
Université de la Manouba
Statistics
Citations: 41
Authors: 6
Affiliations: 4
Identifiers
Doi:
10.1519/JSC.0b013e31824eddda
ISSN:
10648011
Participants Gender
Male