Olympic and paralympic games Rio 2016: a technical-tactical analysis of judo matches

The purpose of this study was to compare the athletes’ scores, penalties and efficiency between the Olympic and Paralympic Games Rio 2016, and identify which variable determined the winner of the matches. A total of 608 matches in the Olympic and Paralympic Games were analysed. Total relative scores (ippon, waza ari and yuko), penalties (shido per match) and efficiency were identified in the male and female categories, Olympic and Paralympic Games, and medallists and non-medallists. The main results showed that waza ari was higher in the Olympic Games (p=.05) than in the Paralympic Games (male team); ippon was higher in the Paralympic Games (p=.05) and shido was higher in the Olympic Games (p=.05) (female team). The male Olympic medallists were more efficient (p=.01), while the female Paralympic medallists were less penalised (p=.01). Ippon was the key variable that determined winning in both the Olympic and Paralympic matches (p<.001). We concluded that the male Olympic judo athletes showed greater efficiency and scores than Paralympians, while the female team presented more scores and fewer penalties. Ippon was the key point that determined victory in most of the matches

Impact of different judo rules: analysis of scores and penalties in Paris Grand Slam Championships. [Impacto de las diferentes reglas de judo: análisis de puntuaciones y penalizaciones en los Campeonatos de Grand Slam de París].

In the last two decades, the International Judo Federation (IJF) has been implementing a series of changes in its official rules, in order to improve efficiency and achieve more dynamism in judo combat. The aim of the present investigation was to analyze the effects of judo rule changes proposed by IJF in three periods (2011, 2016 and 2017), considering the scores and penalties in the Grand Slam Paris (GSP). The values of the scores (yuko, wazari and ippon) and the penalties (shido) were relativized by the total number of matches. The normality of data was assessed by the Kolmogorov-Smirnov test. Two-way analysis of variance and Bonferroni post hoc test (or t-test when necessary) were used to compare the scores, penalties and the efficiency index among GSP2011, GSP2016 and GSP2017. The significance level was set at p< 0.05.The results indicated that GSP2016 presented higher incidence of penalties in the general male teams and lower number of yuko score compared to the GSP2011 and GSP2017, while the GSP2011 showed higher efficiency in the female teams (general and medalists). Ippon was the score that determined the outcome of the matches in GSP2011 and GSP2017 particularly for male medalist teams. We conclude that the rule changes in the GSP2016 deviated from the IJF objectives compared to GSP2011 and GSP2017, considering the greater importance of scores than punishments. Resumen En las últimas dos décadas, la Federación Internacional de Judo (IJF) ha estado implementando una serie de cambios en sus reglas oficiales, con el fin de mejorar la eficiencia y lograr más dinamismo en el combate de judo. El objetivo de la presente investigación fue analizar los efectos de los cambios en las normas de judo propuestas por IJF en tres períodos (2011, 2016 y 2017) teniendo en cuenta las puntuaciones y penalizaciones en el Grand Slam de París (GSP). Los valores de las puntuaciones (yuko, wazari e ippon) y las penalizaciones (shido) se relativizaron por el número total de combates. La normalidad de los datos se evaluó mediante la prueba de Kolmogorov-Smirnov. El análisis de varianza de dos vías y la prueba post hoc de Bonferroni (o prueba t-test cuando fue necesario) se usaron para comparar las puntuaciones, las penalizaciones y el índice de eficiencia entre GSP2011, GSP2016 y GSP2017. El nivel de significancia se estableció en p< 0,05. Los resultados indicaron que GSP2016 presentó una mayor incidencia de penalizaciones en los equipos masculinos generales y un menor número de puntajes de yuko en comparación con el GSP2011 y GSP2017. Mientras que el GSP2011 mostró una mayor eficiencia en los equipos femeninos (general y medallistas). Ippon fue la puntuación que determinó el resultado de los combates en GSP2011 y GSP2017, especialmente para los equipos de medallistas masculinos. Concluimos que los cambios en la norma en el GSP2016 se desviaron de los objetivos de IJF en comparación con GSP2011 y GSP2017, considerando la mayor importancia de las puntuaciones que las penalizaciones

Injury prevalence in Brazilian jiu-jitsu athletes: comparison between different competitive levels

This study aimed to identify types and sites of body injury, location of injury occurrence, and the mechanism and severity of injuries in novice and advanced Brazilian jiu-jitsu (BJJ) athletes. One hundred and eight BJJ athletes took part in this study separated in two groups: advanced (n = 53) and novice (n = 55). Athletes answered a questionnaire concerning regions of injury, locality of occurrence, injury severity and mechanism. Chi square test and a logistic regression analysis were used with the level of significance set at p < 0.05. The main results showed that shoulders and knees were the most injury location reported by novice and advanced athletes. Novice athletes demonstrated higher prevalence of injuries during training sessions (54.5%), whereas advanced athletes reported more injuries during competitions (66.1%). Significant associations between novice and advanced athletes were observed for major joints (p < 0.05). The odds ratio of having injury was 70-87% less for novice versus advanced athletes for the major joints cited. We concluded that BJJ athletes demonstrate high prevalence of injury mainly at knee and shoulder. While risk of injury appeared less in novice, the advanced demonstrated higher number of injuries during competitions as a consequence of injured joint keys. By contrast, novice athletes reported higher number of injuries associated with training sessions as a consequence of overuse

Optical Properties And Antiangiogenic Activity Of A Chalcone Derivate

Chalcones and their derivatives exhibit numerous pharmacological activities such as antibacterial, antifungal, cytotoxic, antinociceptive and anti-inflammatory. Recently, they have been assessed aiming for novel application in nonlinear optics and in the treatment of immune diseases and cancers. In this study, we investigate the optical properties of synthetic chalcona 1E,4E-1-(4-chlorophenyl)-5-(2,6,6-trimethylcyclohexen-1-yl)penta-1,4-dien-3-one (CAB7β) and its antiangiogenic potential using the chorioallantoic membrane (CAM) with the S180 sarcoma cell line. Experimental and theoretical results show intense absorption in the UVA-UVC region, which is associated with a π → π* transition with intramolecular charge transfer from the trimethyl-cyclohexen-1-yl ring to the chlorophenyl ring. Quantum chemical calculations of the first hyperpolarizability, accounting for both solvent and frequency dispersion effects, are in very good concordance with hyper-Rayleigh scattering measurements. In addition, two-photon absorption allowed band centered at 650 nm was observed. Concerning antiangiogenic activity, CAB7β causes a significant reduction in the total number, junctions, length and caliber of blood vessels stimulated by S180 cells reducing the presence of blood vessels, inflammatory cells and others elements related to angiogenic process. It is found that CAB7β is a versatile compound and a promising candidate for linear and nonlinear optical applications, in therapy against sarcoma and phototherapy

MACROECOLOGIA, BIOGEOGRAFIA E ÁREAS PRIORITÁRIAS PARA CONSERVAÇÃO NO CERRADO

revista vol 13 nº 3.indd Há consenso entre os cientistas de que a há atualmente uma “crise da biodiversidade”, resultado da constante e intensa perda de habitat natural causada pela expansão da ocupação. Como a biologia da conservação tem sido muitas vezes reconhecida como uma ciência da crise, ela deve fornecer informações capazes de mediar, de forma mais científica possível, as tomadas de decisão que são necessárias. Dentre estas, uma das mais importantes é indicar regiões prioritárias para a conservação, já que por motivos óbvios não é possível preservar todos os ecossistemas por inteiro. Nesse contexto, recentemente sugeriu-se que a aplicação de princípios, teorias e análises provenientes da biogeografia e da macroecologia seriam importantes na Biologia da Conservação, formalizando uma abordagem que tem sido denominada “Biogeografia da Conservação”. Assim, o objetivo deste artigo é discutir e revisar esses componentes da biogeografia da conservação, utilizando uma abordagem macroecológica para desenvolver e aplicar métodos de planejamento sistemático em conservação, utilizando o bioma Cerrado como um modelo de estudo. Foram discutidos inicialmente os padrões de riqueza e diversidade beta e, em um segundo momento, como esses padrões podem ser correlacionados à ocupação humana do Bioma. Essa relação é fundamental para subsidiar a aplicação de modelos de planejamento sistemático de conservação em escala regional (análises de insubstituibilidade, complementaridade e de lacunas). É preciso considerar também que há sérias falhas de conhecimento sobre os padrões de biodiversidade na região e que a escolha de grupos indicadores pode ser importante para minimizar problemas gerados pela falta de conhecimento. Assim, essa abordagem é interessante em um cenário de grandes incertezas (ausência de dados detalhados) e de rápida transformação da paisagem, possibilitando a otimização de estudos em grandes escalas e depois transferir os resultados para escalas espaciais mais locais e realmente relevantes para a conservação. Nessas regiões, podem ser realizados, em um segundo momento, estudos mais detalhados a fim de avaliar padrões de viabilidade populacional, fragmentação de habitat e regiões potenciais de manutenção da diversidade genética

Realização de interação mediada por telefone com idosos após a alta hospitalar:experiência de um programa de residência multiprofissional

Introdução: a transição do cuidado, principalmente no momento da alta hospitalar, é considerada um momento crítico e de muitaansiedade para o paciente. Destacam-se os problemas relacionados ao uso de medicamentos, principalmente quando ocorremmudanças nas prescrições de fármacos no momento da alta, quando comparado aos medicamentos prescritos na pré-internação.A continuidade do uso de novos medicamentos após a alta pode gerar comprometimentos, principalmente quando nos referimosaos pacientes idosos, que apresentam especificidades fisiológicas e cognitivas que influenciam o uso dos medicamentos. Com ointuito de melhor identificar possíveis barreiras e propiciar segurança durante a continuidade do cuidado, um grupo composto porfarmacêuticos propôs a realização de Interação Mediada por Telefone (IMT) com pacientes idosos que receberam alta hospitalare que encontravam-se no ambiente domiciliar. Objetivo: identificar as ações realizadas e resultados alcançados por meio da IMT.Metodologia: realizou-se um estudo transversal de caráter exploratório, onde os registros em prontuários eletrônicos e planilha doserviço de IMT foram analisados, com descrição do perfil dos pacientes e realização de regressão logística a partir das característicasdos pacientes e equipe de referência a qual pertenciam na internação (Acidente Vascular Cerebral; Equipe Idoso Frágil; CuidadosPaliativos; Equipe de oferecimento de cuidados aos pacientes com Comprometimento do Pé Diabético e Equipe de Atendimento aPacientes com Fratura de Fêmur). Resultados: 87 pacientes idosos participaram do IMT sendo 44 (50,6%) do sexo feminino e 43 (49,4%)do sexo masculino. A média da idade dos pacientes foi de 73,7 anos, com desvio padrão de 8,3. Um percentual de 52,9% dos pacientesrelataram procurar atendimento na Atenção Primária após a alta hospitalar, 20% relataram dificuldade no acesso, 13% relataram usode medicamentos diferentes dos prescritos na alta, conforme orientação médica na Atenção Primária, e 13% automedicação. Nomodelo final da regressão logística, identificou-se que idade igual ou superior a 75 anos foi associada positivamente ao pertencimentodo paciente na equipe Idoso Frágil/Cuidados Paliativos. Ainda no modelo final, a ocorrência de automedicação também estevepositivamente associada à equipe Idoso Frágil (OR=6,8; p&lt;0,05).Conclusão: entende-se que o serviço de IMT apresentou-se comointeressante ferramenta para identificação de problemas farmacoterapêuticos após a alta hospitalar. Automedicação após a altahospitalar esteve associada positivamente aos pacientes das equipes cuidados paliativos/idoso frágil quando comparado à UnidadeAVC e idade inferior a 75 anos esteve positivamente associada à Equipe complicações do pé diabético

Search for the standard model Higgs boson decaying into two photons in pp collisions at sqrt(s)=7 TeV

A search for a Higgs boson decaying into two photons is described. The analysis is performed using a dataset recorded by the CMS experiment at the LHC from pp collisions at a centre-of-mass energy of 7 TeV, which corresponds to an integrated luminosity of 4.8 inverse femtobarns. Limits are set on the cross section of the standard model Higgs boson decaying to two photons. The expected exclusion limit at 95% confidence level is between 1.4 and 2.4 times the standard model cross section in the mass range between 110 and 150 GeV. The analysis of the data excludes, at 95% confidence level, the standard model Higgs boson decaying into two photons in the mass range 128 to 132 GeV. The largest excess of events above the expected standard model background is observed for a Higgs boson mass hypothesis of 124 GeV with a local significance of 3.1 sigma. The global significance of observing an excess with a local significance greater than 3.1 sigma anywhere in the search range 110-150 GeV is estimated to be 1.8 sigma. More data are required to ascertain the origin of this excess.Comment: Submitted to Physics Letters

Search for anomalous t t-bar production in the highly-boosted all-hadronic final state

A search is presented for a massive particle, generically referred to as a Z', decaying into a t t-bar pair. The search focuses on Z' resonances that are sufficiently massive to produce highly Lorentz-boosted top quarks, which yield collimated decay products that are partially or fully merged into single jets. The analysis uses new methods to analyze jet substructure, providing suppression of the non-top multijet backgrounds. The analysis is based on a data sample of proton-proton collisions at a center-of-mass energy of 7 TeV, corresponding to an integrated luminosity of 5 inverse femtobarns. Upper limits in the range of 1 pb are set on the product of the production cross section and branching fraction for a topcolor Z' modeled for several widths, as well as for a Randall--Sundrum Kaluza--Klein gluon. In addition, the results constrain any enhancement in t t-bar production beyond expectations of the standard model for t t-bar invariant masses larger than 1 TeV.Comment: Submitted to the Journal of High Energy Physics; this version includes a minor typo correction that will be submitted as an erratu

Measurement of the Lambda(b) cross section and the anti-Lambda(b) to Lambda(b) ratio with Lambda(b) to J/Psi Lambda decays in pp collisions at sqrt(s) = 7 TeV

The Lambda(b) differential production cross section and the cross section ratio anti-Lambda(b)/Lambda(b) are measured as functions of transverse momentum pt(Lambda(b)) and rapidity abs(y(Lambda(b))) in pp collisions at sqrt(s) = 7 TeV using data collected by the CMS experiment at the LHC. The measurements are based on Lambda(b) decays reconstructed in the exclusive final state J/Psi Lambda, with the subsequent decays J/Psi to an opposite-sign muon pair and Lambda to proton pion, using a data sample corresponding to an integrated luminosity of 1.9 inverse femtobarns. The product of the cross section times the branching ratio for Lambda(b) to J/Psi Lambda versus pt(Lambda(b)) falls faster than that of b mesons. The measured value of the cross section times the branching ratio for pt(Lambda(b)) > 10 GeV and abs(y(Lambda(b))) < 2.0 is 1.06 +/- 0.06 +/- 0.12 nb, and the integrated cross section ratio for anti-Lambda(b)/Lambda(b) is 1.02 +/- 0.07 +/- 0.09, where the uncertainties are statistical and systematic, respectively.Comment: Submitted to Physics Letters