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http://grupodestudoslutas.blogspot.com

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Quem sou eu

São Paulo, São Paulo, Brazil
Professor da EEFE-USP; Praticante e Pesquisador de Judô; Preparador físico de atletas de modalidades esportivas de combate.

Arquivo do blog

domingo, 25 de novembro de 2012

Quantificação de cargas no treino de karate

http://www.scielo.br/pdf/rbme/v18n4/v18n4a12.pdf

Só tenho dúvida se podemos correlacionar variáveis que tenham sido multiplicadas por uma terceira (neste caso o tempo).

sábado, 24 de novembro de 2012

AS PRÁTICAS CORPORAIS DE LUTAS PELA ORDEM DO DISCURSO CIENTÍFICO DA EDUCAÇÃO FÍSICA

Análise de artigos de cinco periódicos nacionais da área de educação física.
A adição do termo "brasileira" no título ajudaria a delimitar melhor o que foi feito.

http://repositorio.furg.br:8080/jspui/bitstream/1/2781/1/AS%20PR%C3%81TICAS%20CORPORAIS%20DE%20LUTAS%20PELA%20ORDEM%20DO.pdf


quinta-feira, 22 de novembro de 2012

Artigo de revisão sobre testes específicos para atletas de judô

http://150.162.1.115/index.php/rbcdh/article/viewFile/22071/23099

quarta-feira, 14 de novembro de 2012

Orelhas atléticas

http://bleacherreport.com/articles/1135061-15-worst-mangled-ears-caught-on-camera-in-sports-history

terça-feira, 13 de novembro de 2012

Estrutura temporal e respostas fisiológicas em luta de Muay Thai


Physiological responses and match analysis of Muay Thai fighting

Authors: Cappai, Ivo; Pierantozzi, Emanuela; Tam, Enrico; Tocco, Filippo; Angius, Luca; Milia, Raffaele; Squatrito, Salvatore; Concu, Alberto; Crisafulli, Antonio
Source: International Journal of Performance Analysis in Sport, Volume 12, Number 3, December 2012 , pp. 507-516(10)

Abstract:
This study was devised to measure certain physiological variables related to the energy requirement together with a match analysis during real Muay Thai matches. Twenty skilled male fighters were recruited and performed a laboratory incremental preliminary test to assess their maximum oxygen uptake and anaerobic threshold. They were then involved in real Muay Thai competitions. During matches heart rate (HR) and blood lactate (BLa) values were collected. Moreover, matches were filmed and analysed for subsequent determination of the techniques used. Differences between winners and losers were assessed. During matches HR was on average 178.9±0.3 bpm (i.e. close to the maximum level reached during the preliminary test), while BLa was 9.72±0.6 mmol•L-1. There was no difference in HR and BLa responses between winners and losers. Winners and losers used a similar number of techniques. However, the effectiveness of attacks was higher in winners. This investigation provides evidence that during Muay Thai the lactic anaerobic system is widely recruited and that the cardiovascular apparatus is highly stressed with no difference between winners and losers. Moreover, successful athletes use the same number of techniques as losers, although with greater effectiveness, thus indicating that the training strategy should aim at developing high technical skills.

segunda-feira, 12 de novembro de 2012

Artigos sobre kung fu

http://www.kungfurj.com.br/artigos-cientificos/

domingo, 11 de novembro de 2012

No primeiro anúncio ia ser em 2013 e o do RJ em 2015, agora...

http://www.lancenet.com.br/minuto/Mudanca-orcamento-Mundial-Judo-Paulo_0_776922563.html

São Paulo sempre atrás nos eventos esportivos...

terça-feira, 6 de novembro de 2012

Desenvolvimento de ferramenta para análise notacional no boxe


 2012 Nov 2. [Epub ahead of print]

The development of a reliable amateur boxing performance analysis template.

Source

a University of Chester, Sport and Exercise Sciences , Chester , United Kingdom.

Abstract

Abstract The aim of this study was to devise a valid performance analysis system for the assessment of the movement characteristics associated with competitive amateur boxing and assess its reliability using analysts of varying experience of the sport and performance analysis. Key performance indicators to characterise the demands of an amateur contest (offensive, defensive and feinting) were developed and notated using a computerised notational analysis system. Data were subjected to intra- and inter-observer reliability assessment using median sign tests and calculating the proportion of agreement within predetermined limits of error. For all performance indicators, intra-observer reliability revealed non-significant differences between observations (P > 0.05) and high agreement was established (80-100%) regardless of whether exact or the reference value of ±1 was applied. Inter-observer reliability was less impressive for both analysts (amateur boxer and experienced analyst), with the proportion of agreement ranging from 33-100%. Nonetheless, there was no systematic bias between observations for any indicator (P > 0.05), and the proportion of agreement within the reference range (±1) was 100%. A reliable performance analysis template has been developed for the assessment of amateurboxing performance and is available for use by researchers, coaches and athletes to classify and quantify the movement characteristics of amateurboxing.

sexta-feira, 2 de novembro de 2012

Alterações fisiológicas durante a temporada de luta olímpica


 2012 Oct 16. [Epub ahead of print]

Effects of a competitive wrestling season on body composition, endocrine markers, and anaerobic exercise performance in NCAA collegiate wrestlers.

Source

Department of Health and Exercise Science, The College of New Jersey, Ewing, NJ, 08628, USA, ratamess@tcnj.edu.

Abstract

Few data exist examining the body composition, endocrine, and anaerobic exercise performance changes over a competitive wrestling season. Eighteen NCAA wrestlers were tested for endocrine markers, body composition, hydration, grip strength, and power on four occasions: prior to pre-season training (T1); after pre-season training 3 days prior to the first seasonal meet (T2); mid-season one day prior to a meet (T3); and at the end of the season 2-3 days following the last meet (T4). Body mass, percent body fat (BF %), and fat mass were significantly lower (P ≤ 0.05) at T2 and T3 compared to T1 but were not different between T1 and T4. Lean body mass was significantly reduced at T2 only. Urine specific gravity was significantly elevated at T3 compared to T1, T2, and T4. Resting cortisol concentrations did not change but resting testosterone concentrations were significantly reduced at T2, T3, and T4. Maximal grip strength was significantly reduced at T2. Vertical jump peak power was significantly reduced at T2, T3, and T4. Wingate peak power was significantly reduced at T2 and T3. However, Wingate average power and total work did not significantly change. Fatigue rate during the Wingate test was significantly improved at T2, T3, and T4 compared to T1. In conclusion, body mass, BF %, and measures of peak force and power were reduced for most of the competitive wrestling season. Competitive wrestling reduces resting total testosterone concentrations throughout the entire season.

quinta-feira, 1 de novembro de 2012

Determinantes psicológicos do rendimento de esgrimistas


SELECTED PSYCHOLOGICAL DETERMINANTS OF SPORTS RESULTS
IN SENIOR FENCERS
MACIEJ TOMCZAK*, MAŁGORZATA WALCZAK, GRZEGORZ BRĘCZEWSKI
University School of Physical Education, Poznań, Poland
AbSTrAcT
Purpose. The aim of the present study was to determine the correlations between the strength of the stimulation process,  mobility of nervous processes, achievement motivation and sports results of fencers in the senior age category. Methods. The sample was comprised of 38 senior fencers (19 men and 19 women) aged 21–32 years. The strength of the stimulation process and mobility of nervous processes were assessed with the Strelau and Zawadzki PTS inventory. The subjects’ achievement mo­ tivation was measured with the achievement motivation questionnaire by Widerszal­bazyl. Results. The study revealed that  senior fencers (women, in particular) featured higher mean levels of the examined psychological determinants, i.e., strength
of the stimulation process, mobility of nervous processes and achievement motivation than the general population in the same age range. Strong and statistically significant correlations were found between all the studied psychological determinants and sports results among the male fencers in the sample. In the group of female fencers none of the correlations were statistically significant. Conclusions. The results might provoke reflection on the role of coaches and, consequently, may have implications for the cooperation between coaches and athletes, indicating that the individual psychological differences of fencers should be considered during training. The coach may also decide on the necessity for considering on the reported diversification within the gender or age domain, and the need to consider such psychological properties as temperamental characteristics or the level of achievement motivation.

Key words: psychology, temperamental features, achievement motivation, fencing