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2009 | 1 | 3-5
Tytuł artykułu

Asymmetry of muscle strength in elite athletes

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Study aim: To determine muscle strength variables in elite judoists and wrestlers since thigh muscle strength and bilaterally balanced flexor-to-extensor ratio minimise injury risk and are desirable for achieving sport successes.Material and methods: Judoists, wrestlers and untrained subjects, 10 each, were subjected to isokinetic strength measurements of relative peak torques of knee flexor and extensor muscles on "Easy-Tech" dynamometer in concentric-concentric mode.Results: Mean relative peak muscle torques for knee flexors ranged from 1.14 ±0.27 (untrained) to 1.57 ±0.40 (judoists) N·m/kg and for knee extensors from 2.77 ± 0.34 (untrained) to 3.60 ± 0.64 (wrestlers) N·m/kg. The flexor-to-extensor ratios ranged from 39.3 ± 6.0 to 47.8 ± 10.8% and did not differ significantly between groups. Absolute right/left asymmetry for knee flexors ranged from 14.6 ± 10.4 to 17.4 ± 11.8% and was significantly (p<0.01) higher than for knee extensors (7.2 ± 6.8 to 8.6 ± 7.7%). All asymmetry indices were significant (p<0.01), no significant between group differences being detected.Conclusions: Implementing new training elements and modalities may improve the performance and prevent lateral asymmetry thus decreasing the risk of injuries.
Słowa kluczowe
Wydawca
Rocznik
Tom
1
Strony
3-5
Opis fizyczny
Daty
wydano
2009-01-01
online
2009-04-06
Twórcy
autor
  • Faculty of Sport and Physical Education Novi Sad, University of Novi Sad, Serbia
  • Medical Faculty, University of Novi Sad, Serbia
  • Faculty of Sport and Physical Education Novi Sad, University of Novi Sad, Serbia
autor
  • Medical Faculty, University of Novi Sad, Serbia
  • Faculty of Sport and Physical Education Novi Sad, University of Novi Sad, Serbia
  • Faculty of Sport and Physical Education Novi Sad, University of Novi Sad, Serbia
Bibliografia
  • Borges O. (1989) Isometric and isokinetic knee extension and flexion torque in men and women aged 20 - 70. Scand.J. Rehabil.Med. 21:45-53.
  • Branco J.C. (1979) A observaçao no judo - recolha efectuada nos campeonatos nacionais de 1979 (por categoria de peso). Ludens 3(4):30-52.
  • Brown C., G. McMurray (1996) Olympic judo statistics - technique utilization and effectiveness.
  • Drid P., M. Dokmanac (2007) Utjecaj bazičnog trenažnog programa na snagu hrvača juniorskog i seniorskog uzrasta. [Effects of basic training program of junior and senior wrestlers on strength]. In: I. Jukić, D. Milanović, S.Šimek (eds.) 5. godišnja međunarodna konferencija: Kondicijska priprema sportaša pp. 331-335. Kineziološki fakultet Sveučilišta u Zagrebu i Udruga kondicijskih trenera Hrvatske.
  • Drid P., M. Dokmanac, S. Obadov, S. Vujkov (2007) Trening u funkciji razvoja maksimalne snage vrhunskih rvača. [Training in function of developing maximal strength in elite wrestlers]. In: G. Bala (ed.) Antropološki status i fizička aktivnost dece, omladine i odraslih, 371 - 377. Novi Sad: Fakultet sporta i fizičkog vaspitanja.
  • Drid P., M. Drapšin, S. Obadov (2007) Odnos mišićne snage agonista i antagonista natkolenice kod vrhunskih džudistkinja. [Relevance of muscle strength of hamstring agonists and antagonists in elite female judoists]. In: N. Smajlović (ed.) II međunarodni simpozijum nove tehnologije u sportu, 208 - 210. Sarajevo: Fakultet sporta i tjelesnog odgoja.
  • Franchini E., M.Y. Takito, M.A. Kiss, S. Sterkowicz (2005) Physical fitness and anthropometric differences between elite and nonelite judo players. Biol.Sport 22: 315-328.
  • Gleeson N.P., T.H. Mercer (1996) The utility of isokinetic dynamometry in the assessment of human muscle function. Sports Med. 21(1):18-34.[Crossref][PubMed]
  • Kraemer W.J. (2002) Periodized training programmes for athletes. In: W.H. Kraemer, K. Hakkinen (eds.) Strength Training for Sport. Blackwell Science, Oxford, pp. 101 - 108.
  • Madsen O.R. (1996) Torque, total work, power, torque acceleration energy and acceleration time assessed on a dynamometer: reliability of knee and elbow extensor and flexor strength measurements. Eur.J. Appl. Physiol. 74:206-210.[Crossref]
  • Sterkowicz S., P. Maslej (1998) An evaluation of the technical and tactical aspect of judo matches at the senior level. International Judo Coaches Alliance Site:
  • Thomas S.G., M.H. Cox, Y.M. Legal, T.J. Verde, H.K. Smith (1989) Physiological profiles of the Canadian National Judo Team. Can.J. Sport Sci. 14:142-147.
Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_v10101-009-0002-1
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