bluuebunny/crossref_metadata_2025 huggingface dataset:
Acurácia de indicadores antropométricos de obesidade para predição do excesso de gordura corporal em adolescentes de onze a catorze anos
Authors: Weiss Kethrin Maila , Leal Danielle Biazzi , Assis Maria Alice Altenburg de , Pelegrini Andreia
Published: December 2017

DOI: http://dx.doi.org/10.5007/1980-0037.2016v18n5p548 The aim of this study was to evaluate the diagnostic accuracy of body mass index (BMI), waist circumference (WC), waist-to-height ratio (WHtR) and conicity index (C index) for the prediction of excess body fat (estimated by skinfold thickness) and determine the cutoffs of anthropometric indicators (BMI, WC, WHtR and C index) that best predict excess body fat. Overall, 1,589 students (11-14 years old) from public and private schools of Florianopolis (southern Brazil) participated in this study. Anthropometric measurements of body weight, height, WC, and skinfolds (triceps and medial calf) were collected. ROC curves were used to compare the discriminatory power of BMI, WC, WHtR and C index in detecting adolescents with excess body fat (relative body fat estimated with skinfold thickness). All anthropometric indicators, except for C index in females, obtained good performance in the detection of excess body fat in both sexes, expressed as the area under the ROC curve. Cutoffs for boys and girls, respectively, associated with high excess body fat were BMI (20.7 and 19.7kg/m²), WC (68.7 and 65.9cm), WHtR (0.43 and 0.41cm), and C index (1.13 and 1.11). The study showed that, except for C index in females, BMI, WC and WHtR can be used to identify excess body fat in adolescents, considering the suggested cutoffs from this research.
Obesidade em adolescentes do Sul do Brasil: associação com fatores sociodemográficos, estilo de vida e estágio maturacional
Authors: Alves Junior Carlos Alencar Souza , Gonçalves Eliane Cristina de Andrade , Silva Diego Augusto Santos
Published: December 2017

DOI: http://dx.doi.org/10.5007/1980-0037.2016v18n5p557 Excess body fat is associated with chronic degenerative diseases, being a global public health problem. The aim of this study was to investigate the association of obesity with sociodemographic factors, lifestyle (physical activity, dietary habits) and sexual maturation in high school students of a city in southern Brazil. This is a crosssectional study with 820 adolescents enrolled in public high schools of São José, Santa Catarina, Brazil, aged 14-17 years. Obesity was estimated by body fat percentage (BF%). BF% was calculated using the Lohman equation, which considers the sum of skinfolds (triceps and subscapularis). Cutoff points proposed by William et al. were used to classify individuals into normal weight or obese. Independent variables were sex, age, economic status, parental education, eating habits, physical activity and sexual maturation. The prevalence of obesity was 17.2%. Females (OR: 4.22; 95% CI: 2.72-6.54) and young people at post-pubertal stage of sexual maturation (OR: 1.95; 95% CI: 1.33-2.86) were more likely to have obesity. These results may help health authorities in the planning of public policies to prevent obesity.
Prevalência e fatores associados à prática de atividades físicas no lazer: inquérito repetido em estudantes universitários
Authors: Santos Sueyla Ferreira da Silva dos , Freitas Júnior Ismael Forte , Alvarenga Ana Maria , Fonseca Silvio Aparecido , Virtuoso Junior Jair Sindra , Sousa Thiago Ferreira de
Published: December 2017

DOI: http://dx.doi.org/10.5007/1980-0037.2016v18n5p577 The practice of leisure physical activity represents a behavior that must be monitored in different population groups. The objectives of this study were i) to compare the prevalence of leisure-time physical activity in university students along the survey years in three separate years; ii) to analyze the factors associated with practice of leisure time physical activity in each survey. Three surveys in a college institution in northeastern Brazil in 2010, 2012 and 2014 were carried out. The dependent variable was practice of leisure-time physical activity. Exploratory variables were sociodemographic factors and link with the university. The prevalence was compared using the chi-square test for linear trend and association for Prevalence Ratio. Participation was of 1,084, 1,085 and 1,041 college students in 2010, 2012 and 2014, respectively. The prevalence of leisure-time physical activity was approximately 50% in the three surveys. Women were less active in leisure time on the three surveys. In each survey, associations were different in relation the courses, and Chemistry – teacher training, Computer Science, Pedagogy – teacher training and Linguistics (no specialization) students showed lower levels of leisure-time physical activity and Biomedicine, Geography – Bachelor, Physical Education – teacher training and Geography – teacher training students were more active in leisure time. It was concluded that there was a stabilization of the prevalence of active leisure over time and that women showed lower prevalence of leisure-time physical activity in the three surveys.
Comportamento visual e qualidade da tomada de decisão no voleibol
Authors: Castro Henrique De Oliveira , Praça Gibson Moreira , Costa Gustavo De Conti Teixeira , Pedrosa Gustavo Ferreira , Greco Pablo Juan
Published: December 2017

DOI: http://dx.doi.org/10.5007/1980-0037.2016v18n6p638 This study aims to verify the visual behavior using the analysis of both quantity and duration of visual fixation and the quality of the DM in volleyball players and athletes from other sports in extreming attacking (EA), cental attack (CA), setting (SE) and blocking (BL) situations. The visual behavior was analyzed during the evaluation of volleyball scenes with an eye-tracking system. The first decision the volunteer voiced was determined as his solution for the scene presented and it was used for analyzing the DM quality. For the quantity of visual fixations, the independent t-test was used to compare groups in the following situtations, EA, SE and BL. For analyzing the quality of DM, the chi-square test of proportions was used. Moreover, for the analysis of the duration and number of visual fixations, the independent t test was addopet (or Mann-Whitney test when some of the assumptions were not met for parametric analysis). Significantly higher values were observed on duration of visual fixations in athletes from other sports comparing to volleyball players at CA (p = 0.042). The DM were significantly different in EA (p = 0.024) and CA (p = 0.001) between groups, showing higher frequency of correct answers for the volleyball players. We conclude that volleyball players perform faster fixations in situations of CA and take more correct decisions in attacking situation (EA and CA) compared to athletes from other sports.
Time-motion analysis and effort-pause relationship in taekwondo combats: a comparison of competitive levels
Authors: Del Vecchio Fabrício Boscolo , Antunez Bruno , Bartel Charles
Published: December 2017

DOI: http://dx.doi.org/10.5007/1980-0037.2016v18n6p648 To improve the combat sports training processes, the knowledge of effort:pause (E:P) ratio and of the high intensity:low intensity (HI:LI) relationship may be useful. However, no studies have investigated these aspects in taekwondo (TKD) official matches from different levels. The aim of this study was to analyze and compare the temporal structure of TKD combat matches at regional and state-level events. Thirty-four combat matches involving male TKD black belt athletes were analyzed. The athletes took part in two separate championships according to their level of competitiveness. Non-parametric distributions were identified in all variables, and the median was used as centrality and the interquartile range (25%-75%) for dispersion. The analysis of non-parametric variance, Kruskal-Wallis, with Dunn post-hoc, was used for comparisons between variables within the same competitive level and Mann-Whitney test between them. The significance level was 5%. On both levels, approximately 50% of combat time (51.3% and 50.8% in state and regional, respectively) was aimed at low-intensity activities in an observation mode; 12% of the time was devoted to preparation actions; and 36% represented high-intensity activity. It was also noted that the relationship of E:P at the state level was 1:8; at the regional level, it was 1:4. The relationship of HI:LI was 1:3 in the state and regional levels. It was observed that there is a difference in the E:P relationship during TKD competitions among different competitive levels. These findings can assist coaches and trainers in developing suitable, specific training processes according to TKD competition level.
Associação entre intenção para prática de atividade física, apoio social e atividade física
Authors: Paiva Hermes Koller de , Camargo Edina Maria de , Silva Alexandre Augusto de Paula da , Reis Rodrigo Siqueira
Published: December 2017

DOI: http://dx.doi.org/10.5007/1980-0037.2016v18n6p667 Intrapersonal and interpersonal aspects have been widely correlated to variations on the physical activity (PA) levels. The aim of this study was to examine the moderating effect of intention for PA practice on the association between social support and leisure PA levels in a sample of college students from Curitiba, Brazil. A questionnaire was administered in a sample of 349 college students from a Physical Education undergraduate program. The variables intention to PA practice, social support (family and friends) and leisure-time PA were obtained through interviews. Poisson regression was used to test the moderating effect of intention to PA practice on the association between social support and leisure-time PA levels. The intention for PA practice showed no moderating effects on leisure PA. Social support from friends was associated with achieving recommended PA levels (≥150min/week), regardless of intention for PA practice (PR: 1.45; 95% CI: 1.09-1.93). In this study, moderating effect of intention for PA practice on the association between social support and leisure-time PA has not been found.
Use of physical activity and cardiorespiratory fitness in identifying cardiovascular risk factors in male brazilian adolescents
Authors: Brito Lilian Messias Sampaio , Mascarenhas Luis Paulo Gomes , Moser Deise Cristiane , Titski Ana Cláudia Kapp , Cat Monica Nunes Lima , Coelho-e-Silva Manuel João , Boguszewski Margaret Cristina Da Silva , Leite Neiva
Published: December 2017

DOI: http://dx.doi.org/10.5007/1980-0037.2016v18n6p678 The aim of this study was to investigate the impact of physical activity (PA) and cardiorespiratory fitness (CRF) levels on the prevalence of overweight and high blood pressure levels in adolescents. In this observational, cross-sectional study, 614 boys aged 10-14 years were assessed for height, body mass, body mass index (BMI), waist circumference (WC) and blood pressure (BP). CRF was assessed using a run test (Léger Test) and subjects were then grouped according to their CRF level. PA level was assessed through a questionnaire (The Three Day Physical Activity Recall) and classified into two groups, namely > 300 minutes of PA/week and < 300 minutes of PA/week. Maturational stage was evaluated according to the development of pubic hair (self-assessment) as proposed by Tanner. We used statistical descriptive analysis, univariate and multivariate analyses in the total participants and subjects were divided by age. Fifty percent of the sample performed < 300 minutes of PA/week and 67.6% had unsatisfactory CRF levels. There was a higher prevalence of unsatisfactory CRF levels among subjects with altered BMI (overweight), WC (abdominal obesity) or BP (high blood pressure) for all age groups. PA history, however, did not show any significance. A total of 31% of participants were overweight, 24.8% had abdominal obesity and 15.4% had increased BP. Unsatisfactory CRF levels were found to be a better predictor for the diagnosis of cardiovascular diseases (CV) risk factors than PA history, regardless of age group.
Aerobic fitness profile of youth soccer players: effects of chronological age and playing position
Authors: Cunha Giovani Dos Santos , Lopes André Luís , Geremia Jeam Marcel , Leites Gabriela Tomedi , Baroni Bruno Manfredini , Voser Rogério Da Cunha , Vaz Marco Aurélio , Reischak-Oliveira Álvaro
Published: December 2017

DOI: http://dx.doi.org/10.5007/1980-0037.2016v18n6p700 To establish a profile of the aerobic fitness in young soccer players, it is critical to consider different intervenient factors such as maturity status, chronological age and playing position. The aim of this study was to identify the biological maturation, chronological age, and playing position effects on physical and physiological characteristics of young soccer players. Two hundred and one soccer players of 11-19 years old were divided into groups relative to their maturity status, chronological age and playing position. A maximal exercise test was performed to determine peak oxygen uptake (VO2peak) and ventilatory thresholds (VT1 and VT2) parameters in a treadmill. Biological maturation showed no significant effect on relative values (mL.kg-1.min-1) of VO2peak, VT2 and VT1 (0.004 < h2 < 0.039), but showed large positive effect on maximal aerobic speed (MAS) and speed at VT2 (VT2speed). Chronological age showed a medium positive effect on relative values of VO2peak, VT2 and VT1 (0.095 < h2 < 0.137) and a large positive effect on MAS and VT2speed. Relative values of VO2peak and VT1 showed no significant differences among groups for playing position (P>0.05; 0.044 < h2 < 0.051). However, goalkeepers showed significant lower relative values for VT2 and VT2speed than other playing positions and a medium positive effect was observed (P<0.05; 0.077 < h2 < 0.119). Chronological age showed a medium to large positive effect on aerobic fitness parameters, while biological maturation showed a positive effect only on MAS and VT2speed. Playing position showed a medium positive effect on VT2 and VT2speed.
Relação entre alto comportamento sedentário no lazer e baixa funcionalidade de idosos
Authors: Bertolini Giovana Navarro , Santos Vanessa Ribeiro dos , Alves Marcelo José , Cervellini Paulo Cesar Marini , Christofaro Diego Giulliano Destro , Santana Luís Felipe Dutra de , Gobbo Luís Alberto
Published: December 2017

DOI: http://dx.doi.org/10.5007/1980-0037.2016v18n6p713 Sedentary behavior refers to activities with low energy expenditure, usually performed in sitting or lying positions, and includes behavior belonging to the current lifestyle, such as watching television. In the course of aging, this activity is performed for longer periods by individuals on a daily basis. This is worrying, since aging associated with sedentary behavior accentuates functionality decline. The aim of this study was to analyze the relationship between high leisure-time sedentary behavior and low functionality in older adults. The sample consisted of 375 older adults aged 60-97 years (70 ± 7 years), and of these, 114 (30%) were men and 261 (70%) women. Functionality was assessed by two functional tests and information related to sedentary behavior was obtained using the self-reported physical activity questionnaire proposed by Baecke et al. The chi-square test was used to verify the association between sedentary behavior and functionality, and binary logistic regression analysis was used to build the multiple model. Older individuals with high leisure-time sedentary behavior were more likely to have low functionality [OR 2.57; 95% CI 1.40 to 4.71] and [OR 2.35; 95% CI 1.29 to 4.29] regardless of gender, age, smoking, osteoporosis, arthritis / osteoarthritis, low back pain and physical activity. Extended permanence in sedentary behavior was associated with low functionality in older subjects. Preventive measures to stimulate the practice of physical activities and encourage the reduction of time spent in sedentary activities such as watching television should be adopted by health professionals in an attempt to maintain functionality among older adults.
Efeitos agudos da utilização de dispositivos geradores de instabilidade externa sobre o desempenho neuromuscular
Authors: García-Orea Guillermo Peña , Santos Marta Silva , Heredia Elvar Juan Ramón , Da Silva-Grigoletto Marzo Edir
Published: December 2017

DOI: http://dx.doi.org/10.5007/1980-0037.2016v18n6p722 Physical training with the use of instability generator devices has become popular in the health area, in sport training and clinical practice (mainly in the prevention and treatment of injuries). To understand how the process of using these devices occurs and the results of their acute effects is important to guide professionals in choosing the appropriate device. The aim of this review was to present the main features of instability devices and analyze their acute effects on core muscle activation, neuromuscular performance and activation of lower and upper limbs. Studies have shown that the main acute effects of exercises performed with these devices are: 1) increased activation / muscular recruitment (especially in the middle zone or core); 2) greater co-activation of antagonist muscles (trunk, upper and lower limbs), with increased stiffness and joint stability; 3) lower force output, power and speed in extremities.
Produção dos bolsistas de produtividade em Educação Física no triênio 2010-2012: os “Top 30” periódicos com maior número de publicações
Authors: Pedroso Bruno , Picinin Claudia Tania , Cantorani José Roberto Herrera
Published: December 2017

DOI: http://dx.doi.org/10.5007/1980-0037.2016v18n6p731 Researchers receiving grant from the Brazilian National Council for Scientific and Technological Development (CNPq) are a reference group in Brazilian academia. Therefore, the aim of this study was to analyze the 30 journals with the highest number of publications of researchers in the Physical Education area who received grants in the 2010-2012 triennium. From this analysis, the relevance of journals in the Physical Education area was also evaluated. For the accounting of publications, the scriptLattes v8.07 software was used. The 88 researchers in Physical Education area published 2600 papers in 530 different journals in the 2010-2012 triennium. It was found that among the 30 journals with the highest number of publication, 19 are published in Brazil; from “Top 10”, eight journals are published in Brazil. Concerning journals that have publications of researchers who have received grants of all categories/levels, of the 11 journals that meet this requirement, seven are published in Brazil. It was concluded that, however Brazilian journals are minority in the upper stratum of Webqualis in the Physical Education area, they still stand as the main communication vehicle of elite researcher in the area.
Is respiratory exchange ratio an alternative to estimate anaerobic threshold in trained runners?
Authors: Diefenthaeler Fernando , Sakugawa Raphael Luiz , Dellagrana Rodolfo André , Follmer Bruno , Lemos Elisa Cristina , Campos Wagner De
Published: December 2017

DOI: http://dx.doi.org/10.5007/1980-0037.2017v19n1p108 Several studies showed that respiratory exchange ratio (RER) have been used as an alternative to evaluate the aerobic capacity in a single incremental test. However, few studies have investigated trained runners. The aim of this study was to verify if the respiratory exchange ratio (RER) could be used as an alternative criterion for estimating anaerobic threshold (AT) in long-distance runners. Nineteen male long-distance runners volunteered to participate in the study. An incremental treadmill test was performed with initial speed of 10 km·h-1 with increments of 1 km·h-1 every 1 min until voluntary exhaustion. The variables measured were oxygen uptake (VO2), first and second ventilatory thresholds (VT1 and VT2, respectively), intensity corresponding to RER level of1.0 (iRER1.0), peak velocity (PV), heart rate (HR), and rate of perceived exertion (RPE). One-way repeated measure analysis variance was used, following Bonferroni post hoc test. Agreement between parameters was evaluated by Pearson correlation and dispersion error. There were no significant differences between iRER1.0 and VT2 parameters. The correlations were significant between iRER1.0 and VT2 parameters for absolute and relative VO2, speed, and HR (r=0.95; r=0.60; r=0.72; r=0.81, respectively). A small mean error (-0.2 km·h-1) was observed between iRER1.0 and VT2. However, it was also observed an overestimation trend for high speeds. In conclusion, iRER1.0 can be used as an alternative method to detect AT in long distance runners. However, its use is limited in runners with high aerobic capacity.
Efeito da potencialização pós-ativação no Atletismo: uma revisão sistemática
Authors: Borba Diego De Alcantara , Ferreira-Júnior João Batista , Santos Luniky Alves dos , Carmo Maria Carolina do , Coelho Leonardo Gomes Martins
Published: December 2017

DOI: http://dx.doi.org/10.5007/1980-0037.2017v19n1p128 Post-activation potentiation is a physiological phenomenon reported to increase muscle performance during high-intensity exercise. To induce post-activation potentiation, maximal strength or power short-duration activities are performed minutes prior the main activity in an attempt to enhance performance. The aim of this study was to evaluate previous publications on the effects of post-activation potentiation on athletic performance. This systematic review used Scielo, Pubmed and SporDiscus database with the following search terms either alone or grouped together: post-activation potentiation, exercise, athletics, track and field, sprint, long jump, triple jump, high jump, shot put, javelin throw, hammer throw e discus throw. The review provided evidence that performing squat, jump and sprint exercises prior to the main activity elicited a state of potentiation that would improve sprint and throw performances and that preparatory activities that can cause post-activation potentiation should be used to improve athletic performance.
Validade e fidedignidade de um instrumento em Português para avaliar o padrão de uso de bicicleta em áreas urbanas
Authors: Kienteka Marilson , Reis Rodrigo S
Published: December 2017

DOI: http://dx.doi.org/10.5007/1980-0037.2017v19n1p17 The aim of this study was to analyze the validity and reliability of an instrument to assess bicycle use patterns in urban areas through systematic observation. The instrument items were selected from a literature review. Content validity was established by consensus opinion of experts of the physical activity area. The temporal stability (reliability) was verified by percentage of agreement and intraclass correlation coefficient (ICC). Observations were conducted using an adapted protocol based on the System for Observing Play and Recreation in Communities (SOPARC), consisting of systematic scans for counting cyclists in an urban area through video images provided by the public transport control system of Curitiba (URBS). Observers A and B recorded a total of 383 and 378 cyclists. Most of the observed subjects were men (87%), adults (84%), cycling on the BRT lane (54%), coming from downtown (54%), rode the bicycle on the wrong side of the street (58.2%), were not wearing a helmet (76.8) and bicycled alone (64%). Agreement percentiles ranged from 89.2 to 99.5% and ICC values from 0.922 to 0.999. According to criteria adopted, reliability was considered high in all categories included in the instrument. The instrument showed validity and reliability to be used in studies aiming to evaluate bicycle use patterns in Brazilian urban areas.
High sedentary behavior and compromised physical capabilities in adult smokers despite the suitable level of physical activity in daily life
Authors: Lauria Vinicius Tonon , Sperandio Evandro Fornias , Matheus Agatha Caveda , Silva Rodrigo Pereira da , Romiti Marcello , Gagliardi Antônio Ricardo de Toledo , Arantes Rodolfo Leite , Dourado Victor Zuniga
Published: December 2017

DOI: http://dx.doi.org/10.5007/1980-0037.2017v19n1p62 Sedentary behavior may play an important role for health outcomes, regardless of the amount of physical activity in daily life (PADL).We aimed to evaluate and compare sedentary behavior as well as physical capabilities in physically active smokers and non-smokers. Twenty-eight adult smokers and 38 non-smokers free of lung disease were matched for age, sex, body mass index, body composition, cardiovascular risk and moderate-to-vigorous PADL. Participants underwent spirometry, cardiopulmonary exercise test (CPET), six-minute walk test (6MWT), isokinetic dynamometry, and body composition (bioelectrical impedance).Despite the similar amount of moderate-to-vigorous PADL(median, 4.5h/week for smokers and 4.0h/week for non-smokers), smokers spent more time lying (median, 8.2h/week: 95% confidence interval, 5.4 to 19.1 vs. 6.1h/week: 3.7 to 11.2) and in sedentary activities (median, 100h/week: 66 to 129 vs. 78h/week: 55 to 122) compared to non-smokers. Smokers also presented worse spirometry, peak V’O2 and maximum heart rate in the CPET, 6MWT, and isokinetic indices (p<0.05). We observed a strong correlation between the time spent lying and spirometry (r = - 0.730) in smokers. Smoking is related to higher sedentary behavior, despite the suitable PADL. An appropriate PADL did not reduce the deleterious effects of smoking on physical capabilities. Interrupting sedentary behavior may be an appropriate intervention target in smokers for reducing the risk of diseases.
Fatores associados à eficácia no desempenho das ações técnico-táticas do voleibol
Authors: Salles William Das Neves , Collet Carine , Porath Margareth , Milistetd Michel , Nascimento Juarez Vieira do
Published: December 2017

DOI: http://dx.doi.org/10.5007/1980-0037.2017v19n1p74 The aim of the study was to investigate the factors associated to performance efficacy of technical-tactical actions in volleyball. Based on the protocol of the Instrument for Technical and Tactical Performance Assessment in Volleyball (IAD-VB), 44.025 match actions performed by male and female athletes from u-15, u-16 and u-17 finalist teams of the 2010 Santa Catarina Volleyball Championship in Brazil were observed. Data were analyzed on SPPS 21 software using the logistic regression technique, adopting 5% significance level for the interpretation of results. Adjusted model explained 51.40% efficacy variance, and the factors associated with this variable were decision making, adjustment, efficiency, and competition level.
Comportamentos de risco para os transtornos alimentares em jovens atletas de voleibol: o estilo de liderança do treinador é um fator interveniente?
Authors: Fortes Leonardo De Sousa , Vasconcelos Gustavo César de , Silva Delton Manoel dos Santos , Oliveira Geraldo José Dos Santos , Ferreira Maria Elisa Caputo
Published: December 2017

DOI: http://dx.doi.org/10.5007/1980-0037.2017v19n1p84 The aim of this study was to analyze the influence of coach’s leadership style on eating disorders (ED) in female volleyball athletes. This is a prospective study with 73 participants of sub-17 state of Pernambuco Championship. The Eating Attitudes Test was applied to evaluate ED. The perception of the coach’s leadership style was evaluated with Leader Sport Scale subscales. Triceps and subscapular skinfolds were measured to estimate body fat percentage. The findings showed no influence of “Training-Instruction” on ED (F(3, 70)=45.02; R²=0.12; p=0.34). The “Social Support” subscale showed statically significant influence on ED (F(4, 69)=59.77; R²=-0.16; p=0.02). However, the results indicated no statically significant relationship of “Reforce” subscale with ED (F(5, 68)=52.40; R²=0.13; p=0.17). The “Democratic” subscale so showed no influence on ED F(6, 67)=49.08; R²=0.10; p=0.21). Finally, the “Autocratic” subscale showed influence on ED (F(7, 66)=67.23; R²=0.18; p=0.01). We concluded that the coach’s leadership style (social support and autocratic) influenced the adoption of DEB in young female volleyball athletes.
Permanência de idosos em um Programa Comunitário de Atividade Física e fatores associados
Authors: Santos Cristiane Kelly Aquino dos , Monteiro Glauber Rocha , Couto Josiene De Oliveira , Silva Roberto Jeronimo dos Santos
Published: December 2017

DOI: http://dx.doi.org/10.5007/1980-0037.2017v19n2p139 The registration or insertion of older adults in Community Physical Activity Programs does not guarantee their stay over time. The purpose of this study was to analyze the length of stay of elderly in a Community Physical Activity Program and associated factors. This epidemiologic observational study of retrospective cohort performed in Aracaju City, Brazil, included a sample of 526 older adults (477 females) aged 66.4 ± 5.4 years. To characterize the profile and length of stay of individuals, descriptive statistics was used. To analyze the length of stay, the Kaplan-Meier non-parametric survival, estimator was used. To verify the association between variables in the observed time, the Cox regression model was applied. Inverse ratio equation (1/OR) was used to facilitate the understanding of significant values when necessary. In all analyses, 95% confidence interval and p≤0.05 were used. In the first three months, stay rate of 58.1% (95% CI = 54.6 - 61.3) was observed, with a risk estimative = 41.82%. Females presented a 45% chance of stay (OR = 0.69; 95% CI = 0.51 – 0.93) and individuals identified with osteoporosis had 32% more chances of stay (OR = 0.74, 95% CI, = 0.60-0.91). Only 1% of subjects remained until the end of the cohort. The stay rate was low throughout all series; the period with higher quitting rates was the 3rd and the 12th months, being associated with the female stay sex and undiagnosed osteoporosis.
Atividade física e tempo sentado combinados e sua contribuição no índice de massa corporal em adultos
Authors: Gonçalves Priscila Bezerra , Lopes Adalberto Aparecido Dos Santos , Silva Alexandre Augusto De Paula , Silva Jeruza Sech Buck , Silva Alice Tatiane Da , Becker Leonardo Augusto , Kienteka Marilson , Reis Rodrigo Siqueira
Published: December 2017

DOI: http://dx.doi.org/10.5007/1980-0037.2017v19n2p174 The aim of this study was to analyze the contribution of physical activity (PA) and sedentary time (ST) to Body Mass Index (BMI) in adults. The study was conducted in 2009, in Curitiba, Parana, Brazil with adults aged 18-65 years (1,411). A multidimensional questionnaire was used in which BMI, weekly minutes of PA and ST were obtained from self-reports. PA and ST were combined to determine the following independent variables: a) “active and not sedentary”; b) “active and sedentary”; c) “not active and not sedentary” and d) “not active and sedentary”. Multinomial logistic regressions were used to test the associations between PA, ST and BMI. The adjusted regression model showed that PA, regardless of ST, lowered the likelihood of participants being classified as obese by 34% and 55%, respectively. In addition, PA at recommended levels (≥150 minutes/week), while not being sedentary, lowered by 85% the likelihood of being classified in the underweight category. Finally, ≥10 minutes/week of PA, while reporting higher ST levels, reduced the likelihood of being classified as overweight by 37%. PA is associated with BMI regardless of TS. In addition, PA at recommended levels is inversely related to obesity and overweight.
Prática de atividade física no lazer e fatores associados em frequentadores de academias ao ar Livre
Authors: Silva Marcelo Cozzensa da , Iepsen Alice Meyer , Caputo Eduardo Lucia , Engers Patrícia Becker , Spohr Carla Francieli , Vilela Guilherme Fonseca , Dorneles Rui Carlos Gomes
Published: December 2017

DOI: http://dx.doi.org/10.5007/1980-0037.2017v19n2p185 Fitness zones (FZ) are a great alternative to physical activity practice. The aim of this study was verify physical activity practice and associated factors among FZ users of Pelotas. Participants answered a questionnaire containing demographic, socioeconomic, behavioral, health and on the use of FZs. A long version of the International Physical Activity Questionnaire was used to determine the level of physical activity and those who reported at least 150 minutes / week of PA in the leisure time were considered sufficiently active. The study included 323 subjects (65.3% women), mean age 52.5 years, 83.6% white skin color and 61.9% married. Almost half of respondents were overweight (48.0%), 45.8% had high blood pressure, 10.5% had diabetes and 64.4% used medications. About 77.7% of respondents were classified as sufficiently active. Health perception was associated to leisure physical activity, and the better the health perception, the higher the prevalence of sufficient physical activity. Collective programs with participation of Physical Education teacher can contribute to interaction of practitione with the use of fitness zones and increase the level of physical activity of individuals.
Classificação esportiva para atletas com deficiência visual e sua relação com o desempenho na natação
Authors: Souto Elaine Cappellazzo , Oliveira Leonardo Dos Santos , Santos Claudemir Da Silva , Greguol Márcia
Published: December 2017

DOI: http://dx.doi.org/10.5007/1980-0037.2017v19n2p196 The medical classification (MC) adopted for swimmers with vision visual impairment (VI) does not clearly elucidate the influence of vision loss on performance. In a documentary research, the final time in the 50-, 100- and 400-m freestyle events and MC (S11, S12 and S13) of national (n = 40) and international (n = 72) elite swimmers was analyzed. The analysis was performed using the Kruskal-Wallis test and Spearman’s correlation with 95% confidence (P < 0.05) and Cohen’s d was calculated. There was a large effect of MC on the final time in the 50-m (P = 0.034, d = 1.55) for national athletes and in the 50-m (P = 0.001, d = 2.64), 100-m (P = 0.001, d = 3.01) and 400-m (P = 0.001, d = 2.88) for international athletes. S12 and S13 classes were faster compared to S11 class for all international events, but only in the 50-m for the national event (P < 0.05). It was found a strong negative relationship between the final time and MC for international athletes (Spearman’s Rho ≥ 0.78). There was a significant influence of MC on the performance of swimmers in freestyle races, especially in international swimmers. Thus, having a visual residue seems to be sufficient for S12 and S13 swimmers to achieve similar performance.
Composição corporal e desempenho motor no handebol em cadeira de rodas
Authors: Borges Mariane , Silva Anselmo Athayde Costa e , Faria Fernando Rosch de , Godoy Priscila Samora , Melo Ellen Rodrigues Barbosa , Calegari Décio Roberto , Gorla José Irineu
Published: December 2017

DOI: http://dx.doi.org/10.5007/1980-0037.2017v19n2p204 The aim of this study was to verify the relationship between body composition and motor performance in Wheelchair Handball players (WH). Overall, 21 athletes composed the sample (13 males and 8 females). To analyze motor performance, the following tests were used: ball driving, block performance, 20 m velocity and zigzag agility for individuals on wheelchair. Body mass, height, body perimeter and skinfold thickness (tricipital, subescapular, bicipital and supra-iliac) were used to establish body composition profile. Data was presented through descriptive statistics and inference was performed by Spearmans’ and Kruskal-Wallis correlation coefficient (non-parametric). Therefore, strong and significant correlations between body composition and motor performance were detected within different functional class and also according to sex, whereas male athletes showed significant correlation between body fat percentage and agility (r=0.70, p≤0.01) and, in the case of female athletes, body fat percentage is strongly related with speed (r=0.81, p≤0.01) and agility (r=0.74, p≤0.05). As conclusion, it was verified that apparently, increased body fat in body composition profile negatively influences motor performance in wheelchair handball players.
Repeatability and intra-rater reproducibility of a digitalized test of body image perception
Authors: Schmit Emanuelle Francine Detogni , Rodrigues Ana Paula , Souza Catiane , Candotti Cláudia Tarragô , Loss Jefferson Fagundes
Published: December 2017

DOI: http://dx.doi.org/10.5007/1980-0037.2017v19n2p214 A body schema is a cortical representation of the spatial relations of body parts. It can be evaluated using the Image Marking Procedure (IMP). However, that instrument lacks information regarding its reliability and a standardized set of procedures. The aim of this study was to test the repeatability and intra-rater reproducibility of an adapted IMP. Methods: It consisted of two steps: (1) adaptation of the instrument; (2) verification of its reliability. Sixty-five young adult women were evaluated on two different days by a single rater, with a one-week interval between evaluations. Three consecutive measurements were performed on each day. Regarding repeatability, for all the variables (coordinates, distances and area), the ICC scores were classified as excellent, with low SEM (<4.5cm) and MDC (<8.5cm) values. Regarding intra-rater reproducibility, only the variables area and distance between the trochanters presented ICC> 0.6. The adapted IMP needs to be conducted only once. Regarding reproducibility, the variables apt for use are the area within the points and the distance between the trochanters. In contrast to the original IMP test, in this adapted version we do not recommend the use of the distances between the shoulders, the hip/waist or the top of the head in relation to the ground.
Voleibol: análise do ataque realizado a partir do fundo da quadra na Superliga Masculina Brasileira
Authors: Costa Gustavo De Conti Teixeira , Evangelista Breno Ferreira de Britto , Maia Mariana Pereira , Ceccato Juliana Sampaio , Freire Auro Barreiros , Milistetd Michel , Moraes José Cícero , Ugrinowitsch Herbert
Published: December 2017

DOI: http://dx.doi.org/10.5007/1980-0037.2017v19n2p233 The aim of this study was to identify the effect of attacks from positions 1 and 6 in high-level Brazilian Men’s Volleyball in order to understand the offensive structure of the game. The sample was composed of the observation of 142 2014-2015 Men’s Superleague games, totaling 2969 reception, set and attack actions from positions 1 and 6. The results showed association between place of attack, attack tempo, type of attack and effect of attack (p<0.001). The results showed that the point of attack, when it is performed from position 6, is associated with parallel attack, while, when analyzing position 1, the point of attack is associated with potent diagonal attack. Furthermore, placed attack was associated with game continuity, as well as with low-quality receptions (b and c). In this context, it was concluded the attacking position influences the attack efficacy, according to time and type of attack.
Desempenho e comportamento tático de jogadores de futebol das categorias de base
Authors: Reis Marcos Antônio Mattos dos , Vasconcellos Fabrício Vieira do Amaral , Almeida Marcos Bezerra de
Published: December 2017

DOI: http://dx.doi.org/10.5007/1980-0037.2017v19n2p242 The aim of this research was to evaluate the performance and tactical behavior of youth soccer players of teams from base categories. The sample consisted of 152 male soccer players aged 11-17 years who participated in the in the U-13 (n = 50), U-15 (n = 62) and U-17 (n = 40) Sergipe State Championship in the year 2015. The System of Tactical Assessment in Soccer (FUT-SAT) was used to identify the players’ tactical behavior based on the fundamental tactical principles. The main results of the study show that players presented higher tactical offensive performance (50.8 ± 9.8 points) compared to defensive performance (34.3 ± 5.7 points) (p < 0.001; d = 2,1), and the Depth Mobility principle presented the highest performance indices in the offensive phase (64.1 ± 8.7; F = 54.4; p < 0.001; partial ƞ² = 0.26). Defensive Coverage showed the highest performance indexes in the defensive phase (46.1 ± 24.3; F = 54.4; p < 0.001; partial ƞ² = 0.26).
Comportamento tático de atletas sub-15 no futebol: avaliação das alterações ao longo de uma temporada esportiva
Authors: Praça Gibson Moreira , Sousa Raphael Brito e , Silva Jorge Victor De Oliveira , Constantino Frederico Gonçalves , Moreira Pedro Emílio Drumond , Custódio Igor Junio De Oliveira , Pérez Morales Juan Carlos , Greco Pablo Juan
Published: December 2017

DOI: http://dx.doi.org/10.5007/1980-0037.2017v19n2p251 This study aimed to compare the tactical behavior of U-15 soccer players over a season. Sixteen high-level athletes (mean age 14.5 years) from the city of Belo Horizonte participated in the study. Athletes were monthly evaluated by means of the field test using the System of Tactical Assessment in Soccer – FUTSAT, which allowed the characterization of the incidence of tactical principles and place of action in the game field, as well as the percentage of positive offensive and defensive tactical principles. Data were analyzed by Friedman’s test (incidence of tactical principles and place of the action) and one-way ANOVA for repeated measures (percentage of positive tactical principles), adopting significance level of p<0.05. Results showed differences in the incidence of offensive and defensive units tactical principle, as well as the place of actions in the game field. An improvement in offensive and defensive tactical behavior was also observed throughout the season.
Prevalência e concordância na predição de excesso de peso corporal por dois critérios antropométricos em adolescentes da Amazônia ocidental brasileira
Authors: Farias Edson Dos Santos , Gemelli Ivanice Fernandes Barcellos , Souza Orivaldo Florêncio , Pinto Wagner De Jesus , Santos Josivana Pontes dos , Petroski Edio Luiz , Guerra-Júnior Gil
Published: December 2017

The aim of this study was to identify the prevalence and concordance of excess weight (BMI) and body fat (fat %) in adolescents of both sexes from cities of Rio Branco-AC and Porto Velho-RO. This study evaluated 4,310 adolescents, 2,167 from Rio Branco and 2,143 from Porto Velho. No difference (p=0.46) for excess weight between adolescents from Rio Branco (34.8%) and Porto Velho (33.8%) was observed. Fat percentage was significantly higher (p<0.01) in adolescents from Porto Velho (59.8%) compared to those from Rio Branco (44.3%). In intra-pubertal and pubertal stages, moderate concordance was identified (p<0.01) and in pre-pubertal stage, substantial concordance was observed (p<0.01). Thus, the findings of this study point out the adequacy of screening and diagnosis of obesity and overweight, which will enable earlier approach and treatment of adolescents.
Acurácia de índices alternativos para avaliar o estado nutricional de homens e mulheres
Authors: Pereira Guilherme Adroaldo Moraes , Matheus Silvana Corrêa , Both Diego Rodrigo , Behenck Mauri Schwanck
Published: December 2017

A good evaluation of the nutritional status requires knowledge on body composition, casting doubts on the accuracy of some indexes. herefore, the aim of this study was to analyze the accuracy of the following nutritional status indexes: Body Mass Index (BMI), BMI elevated to 2.5 (BMI2.5), Fat Mass Index (FMI) and BMI adjusted for fat mass (BMIfat). Participated of this study 280 subjects (aged 17-48 years), from which the results of BMI, BMI2.5, FMI and BMIfat indexes were analyzed, having the Hydrostatic Weighing method as reference. FMI presented the highest concordance value, but classiied as discrete (k=0.21). he other indexes presented small concordance with results of the reference method (k<0.20). In conclusion, none of the indexes investigated has good accuracy in assessing the nutritional status of the study group, considering that, although they show results of correlation with the reference method, they do not reach the minimum agreement criterion.
Alteração do Ângulo de Pronação da Articulação Subtalar tem Influência na Distribuição de Pressão Plantar: Um Estudo Preliminar
Authors: Santos João Otacilio Libardoni dos , Manfio Eliane Fátima , Carpes Felipe Pivetta , Bezerra Ewertton De Souza , Palhano Rudnei , Avila Aluisio Otavio Vargas
Published: December 2017

Several studies have investigated the relationship between heel pronation with plantar pressure during gait. With a degree of variability and inluence of the footwear, usually excessive pronation is associated with higher mechanical loads. However, larger loads are commonly associated with pronation. his study aims to compare the plantar pressure distribution among individuals with diferent pronation angles of the subtalar joint angle during gait with controlled speed. he maximum angle of the subtalar joint was determined by capturing images in the frontal plane and the pressure plant peaks were acquired by EMED pressure platform. he pronated group showed pressure plant peaks signiicantly higher in the lateral heel area (18%; p=0.031), medial heel (17%, p=0.034), lateral midfoot (30%; p=0.032) and medial midfoot (41%; p=0.018) when compared to the control group. Excessive pronation of the subtalar joint caused changes in plantar pressure distribution, and an increase in pressure plant peaks, especially in the heel and midfoot regions. his demonstrates the need for a speciic care of this population, mainly because the increased pressure plant peaks is related to pain in the feet and onset of injuries.
Tactical behavior in soccer small-sided games: inluence of team composition criteria
Authors: Praça Gibson Moreira , Morales Juan Carlos Pérez , Moreira Pedro Emílio Drumond , Peixoto Gustavo Henrique Cunha , Bredt Sarah Teles , Chagas Mauro Heleno , Teoldo Israel , Greco Pablo Juan
Published: December 2017

This study aimed to compare the tactical behavior of young soccer players during small-sided games played with team composition criteria based on procedural tactical knowledge, aerobic power and speed performance. Eighteen male soccer players played 3vs.3 small-sided games with teams balanced according to players’ performance on Sprint Test, Yo-Yo Intermittent Recovery Test and the ield test of the System of Tactical Assessment in Soccer. Data related to the incidence of tactical principles were analyzed through the proportions chi-square test with Bonferroni’s correction. One-way ANOVA was used to compare players’ ofensive and defensive tactical performance. Results showed diferent incidence of ofensive and defensive tactical principles in games with diferent teams’ composition criteria. It has also been shown a higher defensive performance when the teams’ composition criteria was based on players’ procedural tactical knowledge.
Acute neuromuscular response during eccentric overload protocol by using a mechanical device to increase the load
Authors: Lanza Marcel B , Pertence Antônio E M , Andrade André G P , Peixoto Gustavo H , Felix Leonardo B , Chagas Mauro H
Published: December 2017

DOI: http://dx.doi.org/10.5007/1980-0037.2017v19n4p375 The aim of this study was to propose a mechanical device that could increase the mechanical load during the entire eccentric (ECC) action on a knee flexor machine and to compare the muscular activity when the device was used during a testing protocol. Fifteen physically active women were recruited, and they performed two protocols: control and eccentric overload. Control protocol was performed with concentric (CON) and ECC actions with similar load (60% of one repetition maximum) whilst eccentric overload protocol consisted of ECC actions with 40% more load than CON actions. Muscular activation was measured using surface electromyography of the biceps femoris (BF) and the gastrocnemius medialis (GM) muscles. ECC actions presented a higher muscular activation during eccentric overload protocol than control protocol for BF (p = 0.032), but not for the GM (p = 0.439). The mechanical device increased the mechanical load during the ECC muscle action and consequently increased the amplitude of the neural drive to the BF muscle; however, it did not increase the amplitude of the neural drive to the GM muscle.