Reliability of a laboratory-based long sprint cycling test: applications of the smallest worthwhile changes in performance for repeated measures designs

The aims of the present study were to assess the reliability of long sprint cycling performance in a group of recreationally trained cyclists and to provide thresholds for changes in performance for this particular group of subjects in repeated measures designs through a scale of magnitudes. Repeatability of mean power output during a 1-min cycling time trial was assessed in a group of 15 recreationally trained cyclists (26 ± 5, years, 176 ± 5 cm, 78 ± 8 kg). They were tested on separate days, approximately one week apart. The test and retest values for the whole group of cyclists were 7.0 ± 0.5 W/kg and 6.9 ± 0.6 W/kg (systematic change and 90% confidence limits of -1.0% ± 1.1%). Our results indicated good test-retest reproducibility (typical error of 1.8%, 90% confidence limits of 1.4% to 2.6%; intraclass correlation coefficient of 0.96, confidence limits of 0.91 to 0.99), but suggested a reduction of mean power for the “slower” subjects on retest (-2.0%, 90% confidence limits of ±1.8%). If not monitored, this systematic decrease could interfere in results of studies utilizing groups with similar performance levels, particularly investigating strategies to improve performance in sprint cycling exercises around 1 min. The thresholds for moderate, large, very large and extremely large effects for mean power output on long sprint cycling performance are about 0.4%, 1.3%, 2.3%, 3.6%, and 5.8%, respectively

Autonomy In the Choice of Childbirth in The Primiparous: Understanding Reality

Every pregnant woman has the right to care during childbirth and postpartum, and that this is performed in a humane and safe way. To ensure autonomy, it is necessary to put the woman in control of labor and birth, providing the necessary knowledge that allows her to make decisions about her own body. The study aimed to know the autonomy and knowledge of primiparous women in choosing the type of delivery. This is a qualitative field research. The participants were primiparous women, who agreed to participate in the research by signing the Informed Consent Form. The interviews were conducted after approval by the Research Ethics Committee under protocol n. CPEA 31364620.8.0000.5428, opinion n. 4,300,350. In view of the results, the following themes emerged: Reception and neglected bond between health units and pregnant women, revealed by reports of negative and frustrated experiences in the parturition process. Factors that prevent the autonomy of the choice of delivery in pregnant women and negative experiences and frustrated expectations regarding the moment of delivery, in which the reports indicated a lack of explanation of the procedures, lack of communication and prejudiced decision of the physician in relation to the delivery. It was concluded that the study showed the need for actions aimed at women’s health in the pregnancy-puerperal period, which enable conditions for female empowerment in decision-making about the body itself

Teaching hospital management during the undergraduate nursing course

Learning takes place in the interaction between people through the teaching process, from which the academic community appropriates socially established knowledge. In nursing, teaching education is essential for nursing education, and the role of the teacher in this aspect is fundamental for teaching-learning. Identify the students\u27 expectations in relation to the discipline of hospital management, as well as the gaps found in the methodologies applied in the teaching process. The field research used a questionnaire structured by the researchers. 31 students from the last year of nursing participated in the research. The study was approved by the Research Ethics Committee of Unifunec. The data were analyzed in the Microsoft Office Excel and Microsoft Office Word programs. Of the 31 students interviewed, 55% (17) had a basic notion of how to identify the functions of the nurse manager, 16% (5) could not identify, 16% (5) knew how to identify with some difficulty, 13% (4) easily identified. Regarding the methodologies applied, technological advances were monitored, 51% (16) considered that partially, 39% (12) considered yes, 10% (3) considered no. It was identified that the discipline of hospital management generates many expectations in the students and, at the same time, point out gaps in the construction of this knowledge. Further research is suggested to find alternatives that allow the proximity of reality to learning and in the preparation of nurses to deal with managerial functions

Influence of aerobic and anaerobic variables on repeated sprint tests

O objetivo deste estudo foi determinar o modo e o grau com que variáveis aeróbias e anaeróbias influenciam o desempenho e a fadiga em “sprints” repetidos (RS) na corrida. Para este fim, participaram do estudo 24 homens, sendo oito corredores velocistas, oito corredores fundistas e oito sujeitos ativos. Em uma pista sintética de atletismo estes sujeitos foram submetidos aos seguintes testes: 1) teste incremental para determinação do VO2max e da velocidade aeróbia máxima (VAM); 2) teste de velocidade constante realizado a 110%VAM para determinar a cinética do VO2 durante exercício e o máximo déficit acumulado de oxigênio (MAOD); 3) teste de “sprints” repetidos (10 “sprints” de 35 m, intercalados com 20 s de recuperação) para determinar o tempo total dos “sprints” (TT), tempo do melhor sprint (TM) e a queda do desempenho em percentual (Sdec). Para analisar a diferença entre os grupos e as relações entre as variáveis foram utilizadas a análise de variância ANOVA “one-way”, complementada pelo teste de Tukey, e a correlação de Pearson, respectivamente. O TT em RS foi diferente significativamente entre todos os grupos (velocistas, 49,5 ± 0,8 s; fundistas, 52,6 ± 3,1 s; ativos, 55,5 ± 2,6 s) e Sdec foi significativamente inferior em fundistas comparado aos outros grupos (velocistas, 8,9 ± 2,1%; fundistas, 4,0 ± 2,0%; ativos, 8,4 ± 4,4%). O TT foi correlacionado significativamente com o TM (r = 0,85, p < 0,01) e com o MAOD (r = −0,54, p < 0,01). Além disso, Sdec foi correlacionado significativamente com variáveis aeróbias (VO2max, r = −0,58, p < 0,01; VAM, r = −0,59, p < 0,01; constante de tempo “tau”, r = 0,45, p = 0,03). Portanto, conclui-se que apesar de índices aeróbios influenciarem na redução da fadiga em RS, o desempenho em RS é principalmente influenciado por características anaeróbias.This study aimed to determine the manner and degree to which aerobic and anaerobic variables influence repeated running sprint performance and ability. Twenty four males (sprinters = 8, endurance runners = 8 and physical active subjects = 8) performed in a synthetic track the following tests: 1) incremental test to determine the VO2max and the maximum aerobic velocity (MAV); 2) constant velocity test performed at 110% of MAV to determine the VO2 kinetics and the maximum accumulated oxygen deficit (MAOD); 3) repeated sprint test (10 sprints of 35-m interspersed by 20s) to determine sprint total time (TT), best sprint time (BT) and score decrement (Sdec). Between-groups comparisons and the correlations between variables were analyzed by one-way ANOVA with a Tukey post-hoc tests and Pearson correlation, respectively. TT was significantly different among all groups (sprinters = 49.5 ± 0.8 s; endurance = 52.6 ± 3.1 s; active = 55.5 ± 2.6 s) and Sdec was significantly lower in endurance runners as compared with sprinters and physical active subjects (sprinters = 8.9 ± 2.1%; endurance = 4.0 ± 2.0%; active = 8.4 ± 4.4%). TT correlated significantly with BT (r = 0.85, p < 0.01) and MAOD (r = −0.54, p < 0.01). Moreover, Sdec was significantly correlated with aerobic parameters (VO2max, r = −0.58, p < 0.01; MAV, r = −0.59, p < 0.01; time constant tau, r = 0.45, p = 0.03). In conclusion, although the aerobic parameters have an important contribution to RS ability, RS performance is mainly influenced by anaerobic parameters

Avaliação do consumo alimentar e prevalência de constipação intestinal funcional em estudantes do Curso de Nutrição

The activities attributed to men, whether at school, work, and family, cause interference in their quality of life, such as changes in eating habits, in which they choose easily prepared meals. These changes favor the development of chronic noncommunicable diseases, such as Functional Intestinal Constipation. This paper aims to evaluate the food intake and the prevalence of functional constipation in Nutrition students. Quantitative, cross-sectional study conducted with 60 undergraduates, 55 female and 5 male, aged between 18 and 30 years. Nutritional status was determined by body mass index, food intake by 24-hour recall, analysis was performed using the NutWin v.1.5 program. To identify functional bowel constipation, the Roman III and Bristol Scale criteria were used. Statistical analysis of the data was performed using Biostat v.5.0 using the T Student test to compare mean values and standard deviation. The body mass index presented values of 22.6 (±3.1), characterizing the participants as eutrophic. In relation to food consumption the amount of energy presented mean and standard deviation equal to 2757±551.9 *, protein 99.0±2.6, Lipids 72.8±5.3 *, carbohydrate 310±48.2 * and fiber 16.9±5.9, with significant difference between the consumption of the analyzed nutrients (p&lt;0.05) when compared to the Dietary Reference Intakes (DRIS). Regarding functional intestinal constipation, there was a prevalence of 33%. From the results found the high consumption of protein, fat, simple carbohydrate associated with low fiber intake, with high prevalence of functional bowel constipation among college students.As atividades atribuídas ao homem, na escola, no trabalho ou na família provocam interferências na sua qualidade de vida, como mudanças nos hábitos alimentares, optando-se por refeições de fácil preparação. Essas mudanças favorecem o desenvolvimento das doenças crônicas não transmissíveis, como a constipação intestinal funcional. Este trabalho teve como objetivo avaliar o consumo alimentar e a prevalência de constipação intestinal funcional em estudantes do Curso de Nutrição. É um estudo de natureza quantitativa, transversal, realizado com 60 universitários, 55 do sexo feminino e 5 do sexo masculino, com idades entre 18 e 30 anos. O estado nutricional foi determinado pelo índice de massa corpórea, o consumo alimentar pelo Recordatório de 24 horas e a análise foi realizada pelo programa NutWin v.1.5. Para a identificação da constipação intestinal funcional se utilizaram os critérios de Roman III e a Escala de Bristol. A análise estatística dos dados foi realizada por meio Biostat v.5.0 utilizando o teste T Student para comparar os valores médios e o desvio padrão. O índice de massa corpórea apresentou valores de 22,6 (±3,1), caracterizando os participantes como eutróficos. Com relação ao consumo alimentar, a quantidade de energia teve média e desvio padrão iguais a 2757±551,9*, proteína 99,0±2,6, lipídeos 72,8±5,3*, carboidrato 310±48,2* e fibras 16,9±5,9, com diferença significativa entre o consumo dos nutrientes analisados (p&lt;0,05) quando comparados às Dietary Reference Intakes (DRIS). Quanto à constipação intestinal funcional, houve prevalência de 33%. A partir dos resultados, constatou-se o consumo elevado de proteínas, gordura, carboidrato simples associado à baixa ingestão de fibras, com alta prevalência de constipação intestinal funcional entre os universitários

Os principais tipos e manifestações da Cirrose Hepática: uma atualização clínica

Introdução: A cirrose hepática é um processo patológica crônico, considerado a hepatopatia mais comum, definido como a conversão difusa morfoestrutural por nódulos de arquitetura anômalo envoltos por fibrose. Objetivou-se&nbsp;descrever os tipos mais relevantes de cirrose e suas devidas manifestações. Metodologia: Trata-se de uma revisão bibliográfica, fundamentada nas plataformas do SciELO, PubMed, Scopus, utilizando os termos “hepatical cirrhosis”, “liver disease” e “hepatocellular insufficiency” a qual através da revisão narrativa, abordou amplamente a respeito da contextualização da cirrose e as principais etiologias. Resultados e Discussão: Foi analisado que tal condição afeta qualquer faixa etária, sexo, etnia e independe da classe socioeconômica, mas as diversas etiologias impõem um perfil epidemiológico específico conforme a aparição. As principais origens abordam o tipo alcoólico, hepatite, aplicação crônica de alguns fármacos e esteatose gordurosa ou não. Ademais, estima-se que estas afetam a anatomofuncionalidade do órgão responsável por grande parte da homeostase, culminando em diversas manifestações clínicas.&nbsp; Conclusão: A cirrose é uma consequência grave de fatores de base em estágio avançado, a qual devido ao seu curso geralmente silencioso culmina no desenvolvimento e progressão clínica. Neste contexto, a atenção aos fatores predisponentes como alimentação rica em lipídios, estilismo, negligência a exames de rotina, sedentarismo e obesidade contribuem constituem medidas eficazes de prevenção primária.&nbsp

Pervasive gaps in Amazonian ecological research

Biodiversity loss is one of the main challenges of our time,1,2 and attempts to address it require a clear un derstanding of how ecological communities respond to environmental change across time and space.3,4 While the increasing availability of global databases on ecological communities has advanced our knowledge of biodiversity sensitivity to environmental changes,5–7 vast areas of the tropics remain understudied.8–11 In the American tropics, Amazonia stands out as the world’s most diverse rainforest and the primary source of Neotropical biodiversity,12 but it remains among the least known forests in America and is often underrepre sented in biodiversity databases.13–15 To worsen this situation, human-induced modifications16,17 may elim inate pieces of the Amazon’s biodiversity puzzle before we can use them to understand how ecological com munities are responding. To increase generalization and applicability of biodiversity knowledge,18,19 it is thus crucial to reduce biases in ecological research, particularly in regions projected to face the most pronounced environmental changes. We integrate ecological community metadata of 7,694 sampling sites for multiple or ganism groups in a machine learning model framework to map the research probability across the Brazilian Amazonia, while identifying the region’s vulnerability to environmental change. 15%–18% of the most ne glected areas in ecological research are expected to experience severe climate or land use changes by 2050. This means that unless we take immediate action, we will not be able to establish their current status, much less monitor how it is changing and what is being lostinfo:eu-repo/semantics/publishedVersio

The inventory of geological heritage of the state of São Paulo, Brazil: Methodological basis, results and perspectives

An inventory of geological sites based on solid and clear criteria is a first step for any geoconservation strategy. This paper describes the method used in the geoheritage inventory of the State of São Paulo, Brazil, and presents its main results. This inventory developed by the geoscientific community aimed to identify geosites with scientific value in the whole state, using a systematic approach. All 142 geosites representative of 11 geological frameworks were characterised and quantitatively evaluated according to their scientific value and risk of degradation, in order to establish priorities for their future management. An online database of the inventory is under construction, which will be available to be easily consulted and updated by the geoscientific community. All data were made available to the State Geological Institute as the backbone for the implementation of a future state geoconservation strategy.The authors acknowledge the Science Without Borders Programme, Process 075/2012, which supported this study and the São Paulo Research Foundation (FAPESP), Process 2011/17261-6. We also thanks C. Mazoca for his help with maps and figures.info:eu-repo/semantics/acceptedVersio