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3.6 % increasment in match time, has led to more standing fights and more golden score. - Judo Development

3.6 % increasment in match time, has led to more standing fights and more golden score.

A ‘normal’ judo match on international level did last for about 3 minutes before 2013. Between 2013 and 2017 did the total match time increase with 3.6 %. This occurred even if the match time was changed from 5 to 4 minutes in total in the rules, and was a direct result of changes in the rules. The scientist also saw a change where more of the matches led to golden score.

Judo is an intermittent sport because of the rules that determine the minimum pacing in the match, therefore judo athletes on international level performs 32 intervals in each match (mean value), where 25 is in high-intensity and 8 is low-intensity. The high-intensity intervals last for 20-30 seconds and the low-intensity intervals last for 5-10 seconds. The judo athletes in general perform 7-14 intervals in standing fight and 3-9 intervals in groundwork each match. But the amount is largely dependent on the match time and the rules of judo. At each competition the athletes then need to fight 5 to 7 matches before winning a medal.

Newer results have shown a shift in time in the intervals where more time is spent in the high-intensity intervals, and less time in the low-intensity intervals during matches on international level. At the same time the time spent in standing fight has also increased, compared to time in groundwork. This could be due to changes in judo that strives for a more dynamic and active sport and may have led to changes in tactics under the matches.

Under the high-intensity intervals 58 % of the time is spent on ‘establishing a grip’, and after that the athlete needs to create a throwing attempt. There is a significant relationship between frequency in the number of attempts to throw in a match, this could even be identified at the Olympic games where medalist does 9 ± 6 throwing attempts/match and the non-medalist does 6 ± 4 throwing attempts/match. Then pacing becomes a crucial factor for performance in judo, therefore the physical demands on the athlete in each match is high, especially on the upper body.

References

Castarlenas J.L, och Planas A. (1997) Estudio de la estrutura temporal delcombate de judo. Educ Fís Deportes, 47: 32-39.

Franchini E, Bertuzzi R.C.M, Takito M.Y, och Kiss M.A.P.D.M. (2009) Effects of recovery type after a judo match on blood lactate and performance in specific and non-specific judo tasks. Eur J Appl Physiol, 107(4): 377-383.

Franchini E, Nunes A.V, Moraes J.M, och Boscolo Del Vecchio F. (2007) Physical Fitness and Anthropometrical Profile of the Brazilian Male Judo Team, J Physiol Anthropol, 26(2): 59–67.

Franchini, E., Sterkowicz, S., Meira, C.M., Gomes, F.R., & Tani, G. (2008). Technical variation in a sample of high level judo players. Perceptual and Motor Skills, 106, 859– 869.

Franchini E, Takito M.Y och Bertuzzi R.C.M, (2005) Morphological, physiological and technical variables in high-level college judoists, Archives of Budo, 1: 1-7. 

Franchini E, Takito Y.M, Nakamura F.Y, Matsushigue K.A, och Kiss M.A.P.D.M (2003) Effects of recovery type after a judo combat on blood lactate removal and on performance in an intermittent anaerobic task. J Sports Med Phys Fitness, 43(4): 424-431.

Julio U.F,  Panissa J.L.G, Esteves J.V, Cury R.L, Agostinho M.F, & Franchini E, (2017) Energy-System Contributions to Simulated Judo Matches. International Journal of Sports Physiology and Performance, 12, 676 -683.

Miarka B, Gonçalves Panissa. V.L, Ferreira Julio U, Del Vecchio F.B, Calmet M och Franchini E. (2012) A comparison of time-motion performance between age groups in judo matches, Journal of Sports Sciences, 30(9): 899–905. 

Miarka B, Del Vecchio F.B, Julianetti R, Cury R, Camey S, och Franchini E (2016) Timemotion and tactical analysis of Olympic judo fighters, International Journal of Performance Analysis in Sport; 16: 133-142

Monteiro L, Gonçalves J, Chambel L och Abel M. (2019) Evolution of the temporal structure of world high competition judo combat (2013 a 2017) Revista de Artes Marciales Asiáticas, 14(2s), 15-17