gms | German Medical Science

7th EFSMA – European Congress of Sports Medicine, 3rd Central European Congress of Physical Medicine and Rehabilitation, Annual Assembly of the German and the Austrian Society of Physical Medicine and Rehabilitation

Austrian Society of Physical Medicine and Rehabilitation

26.-29.10.2011, Salzburg, Österreich

Assessment of body composition and anaerobic strength in a selected group of Polish athletes practicing wrestling and Brazilian jiu-jitsu

Meeting Abstract

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  • corresponding author presenting/speaker Krzysztof Durkalec-Michalski - Department of Hygiene and Human Nutrition, University of Life Sciences in Poznań, Poland
  • author Jan Jeszka - Department of Hygiene and Human Nutrition, University of Life Sciences in Poznań, Poland

7th EFSMA – European Congress of Sports Medicine, 3rd Central European Congress of Physical Medicine and Rehabilitation. Salzburg, 26.-29.10.2011. Düsseldorf: German Medical Science GMS Publishing House; 2011. Doc11esm212

DOI: 10.3205/11esm212, URN: urn:nbn:de:0183-11esm2129

Veröffentlicht: 24. Oktober 2011

© 2011 Durkalec-Michalski et al.
Dieser Artikel ist ein Open Access-Artikel und steht unter den Creative Commons Lizenzbedingungen (http://creativecommons.org/licenses/by-nc-nd/3.0/deed.de). Er darf vervielfältigt, verbreitet und öffentlich zugänglich gemacht werden, vorausgesetzt dass Autor und Quelle genannt werden.


Gliederung

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Objective: The assessment of body composition and anaerobic efficiency in a selected group of athletes practicing wrestling and Brazilian jiu-jitsu.

Material/Methods: The study was performed with the participation of 43 athletes, aged 21±4 years, practicing free-style wrestling (n=23) and Brazilian jiu-jitsu (n=20). Analyses of body composition of athletes were conducted using the bioelectric impedance method with a BIA 101S analyser by AKERN-RJL. In turn, the anaerobic strength was assessed using the Wingate test with the application of a Monark 894E cycle ergometer.

Results: Analysis of body composition showed a mean content of the adipose tissue in athletes to be 14.4% body weight (wrestlers: 14.6% vs. BJJ: 14.2%). In both sports disciplines the level of fat-free body mass and the muscle tissue in athletes were also similar, amounting on average to 85.5% and 56% body weight. We need to stress here that fact that in over 50% athletes practicing wrestling (57%) and BJJ (55%) the adipose tissue was found at less than 14.9%. Moreover, 13% examined wrestlers had a very low body fat content, amounting to less than 10% body weight. Analysis of anaerobic efficiency of the examined group of athletes, performed on the basis of the Wingate test, showed a maximum strength of 11.8±2.0 W/kg in wrestlers and 11.5±1.3 W/kg in athletes practicing Brazilian jiu-jitsu. In both sports disciplines a similar time to reach maximum strength was observed (wrestlers: 2.7±1.6 s vs. BJJ: 2.6±1.2 s), as well as mean strength (wrestlers: 8.0±0.6 W/kg vs. BJJ: 7.9±0.5 W/kg), minimum strength (wrestlers: 4.9±0.6 W/kg vs. BJJ: 4.6±0.6 W/kg) and reduction of strength [wrestlers: 57.9% (7.1±1.8 W/kg) vs. BJJ: 59.0% (6.8±1.5 W/kg)]. Statistical analysis of results collected in this study showed correlations e.g. with mean strength and body weight (r=0.90, p<0.001), total water content (r=0.93, p<0.001), fat-free body weight (r=0.93, p<0.001) ad muscle mass (r=0.60, p<0.001), as well as maximum strength and body weight (r=0.77, p<0.001), total water content (r=0.77, p<0.001), fat-free body weight (r=0.76, p<0.001) and muscle weight (r=0.70, p<0.0001). Moreover, a correlation was found between the reduction of strength and body weight (r=0.69, p<0.001), mass of the adipose tissue (r=0.45, p<0.01) and fat-free body weight (r=0.72, p<0.001). In case of the time required to reach maximum strength a negative correlation was shown with muscle mass (r=–0.51, p<0,001) and cell mass (r=–0.50, p<0.001).

Conclusion: Assessment of body composition and anaerobic strength did not show significant differences depending on the practiced sports discipline. Polish athletes practicing wrestling and Brazilian jiu-jitsu are characterized by an appropriate state of nutrition and the results obtained using the Wingate test indicate a very good anaerobic efficiency of the examined group of athletes. We need to stress here the fact that in individuals practicing martial arts, exhibiting e.g. a higher level of fat-free body weight and appropriate hydration of the organism, we observe a better adaptation to anaerobic effort.