Abstract-The Palavras-chaves: ciclistas, mountain bike, RAST, testes de corridaResumen-"Validad del RAST para evaluar el rendimiento de potencia anaeróbica en comparación con el test de Wingate en los atletas de ciclismo." El objetivo fue investigar la validad del teste de RAST (Running-based Anaerobic Sprint Test) en evaluar el desempeño de la potencia anaeróbica través del uso del teste de Wingate en ciclistas trenados. Participaron del estudio 10 ciclistas masculinos (28,0±7,3 años) de la modalidad de Mountain bike. Después de la mensuración de las variables antropométricas, la potencia pico (PP), media (PM) y el índice de fatiga (IF) fueron determinados al acaso a partir de dos testes de Wingate y de dos testes de RAST. Fueron utilizados el test t independiente de Student, el análisis de correlación linear de Pearson (r) y el test de Bland-Altman. Los resultados demostraron, contrariamente al IF (33.8±4.6% vs. 37.8±7.9%; r=0.172), diferencias significativas entre el teste de Wingate y el RAST para PP y PM (W.kg-1 e W). Mismo que los valores de correlación de PP e PM (W) tengan sido fortes (0,831 e 0,714, respectivamente), la concordancia

Introduction: Diastasis of the rectus abdominis muscle (DRAM) is characterized by the separation of the rectus abdominis muscles beams, caused by enlargement of the linea alba, a common condition during pregnancy. Physical therapy has been shown necessary in women health, to help them adjust the physical changes throughout the pregnancy and puerperium. Objectives: To verify the DRAM prevalence in the immediate puerperium in a sample of women attended by the Unifi ed Health System in Guarapuava, PR, Brazil, and investigate possible correlations between the DRAM presence and the delivery type, pregnancies number, maternal age, pregnancy type and weight gain during pregnancy. Materials and Methods: This is a transversal study, that included 88 samples of women in the immediately puerperium. It was realized a specifi c assessment and verifi ed the DRAM presence and its measures. The checkpoints were in the umbilical, 4.5 cm above and below this point. It was considered present and relevant when there was any separation from the linea alba. Results: The study showed 61.36% DRAM prevalence. Its averages were 0.88 cm supra-umbilical, 1.23 cm umbilical and 0.3 cm infra-umbilical. Puerperium women who had DRAM, 31.5% were primiparous and 68.5% multiparous. Conclusion: The DRAM prevalence Demartini E, Deon KC, Fonseca EGJ, Portela BS. 280 was considered high and relevant. The DRAM measure was higher in the umbilical region compared with infra and supra-umbilical. The multiparous women had a higher correlation with the DRAM than the primiparous. Keywords:Pregnancy. Diastasis of the rectus abdominis. Puerperium. Prevalence. ResumoIntrodução: Diástase do músculo reto abdominal (DRAM) caracteriza-se pela separação dos feixes do músculo reto abdominal, causada pelo alargamento da linha alba, condição comum durante a gestação. A isioterapia tem se mostrado necessária na saúde da mulher, para auxiliá-las a se ajustarem às mudanças ísicas do começo ao im da gravidez e no puerpério. Objetivos: Veri icar a prevalência de DMRA no puerpério imediato em uma amostra de mulheres atendidas pelo Sistema Único de Saúde no município de Guarapuava-PR, Brasil, e investigar possíveis relações entre a presença de DMRA e o número de gestações, tipo de gestação e ganho de peso durante a gestação. Materiais e Métodos: Estudo transversal, que incluiu amostra de 88 mulheres no puerpério imediato. Foi realizada uma avaliação especí ica e veri icada a presença de DRMA e suas medidas. Os pontos de medida foram na cicatriz umbilical e 4,5 cm acima e abaixo da mesma. Considerou-se presente e relevante quando houvesse qualquer afastamento da linha alba. Resultados: O estudo mostrou uma prevalência da DRAM de 61,36%. As médias de DRAM foram 0,88 cm supraumbilical, 1,23 cm umbilical e 0,3 cm infraumbilical. Das puérperas que apresentaram DRMA, 31,5% eram primíparas e 68,5% multíparas. Conclusão: A prevalência de DRMA foi considerada alta e relevante. A medida da DRMA foi maior na região umbilical quando comparada com infra e supra-umbilical. As mulheres ...

OBJECTIVE: To investigate the slope influence on the maximal subtalar pronation in submaximal running speeds. METHODS: Sixteen endurance runners participated of a running economy (RE) test in a treadmill with different slopes (+1%, +5%, +10%, +15%). For each slope a 4-minute run was performed with no rest break for the purpose of measuring the magnitude of kinematic variables by means of a high frequency video camera positioned in a frontal-posterior plane of the individual. RESULTS: No significant differences were verified in maximal subtalar pronation between legs and between the slopes adopted, showing that changes of running technique due to modifications of slope aren't enough to modify the behavior of maximum subtalar pronation. CONCLUSION: The subtalar pronation is independent of slope, which may be influenced by other intervening variables. Level of Evidence II, Diagnostic Study

The objective of the study was to assess level of physical activity, perception of barriers to practice, and stages of behavior change in visually impaired individuals of an inland city in the State of Paraná. The participants were 40 individuals with visual impairment (37.5% blind and 62.5% with low vision) of both sexes (57.5% men) aged 21-69 years (mean age 39.52 years; ± 17.58 for men and 39.88 years; ± 14.96 for women). Participants were assessed in only one moment, through three questionnaires (perception of barriers to physical activity, International Questionnaire of Physical Activity (IPAQ)short version, and stages of behavior change). According to the IPAQ results, a prevalence of 70% of physical inactivity was found. The main barriers mentioned by the interviewees were "lack of support from family and/or friends", "physical limitations" and "bad mood". In relation to the questionnaire of stages of behavior change, 50% of the subjects were in the preparation stage. The study concludes that the level of physical activity in the visually impaired is low and the main causes of this can be motivational, lack of physical fitness and psychological. RESUMOO objetivo do estudo foi avaliar o nível de atividade física, a percepção de barreiras para a prática e os estágios de mudança de comportamento em deficientes visuais de um município do interior do Paraná. Participaram deste estudo 40 indivíduos com deficiência visual (37,5% cegos e 62,5% com baixa visão), de ambos os sexos (57, 5% homens) com idade entre 21 e 69 anos (média de 39,52 anos; ± 17,58 para os homens e 39,88; ± 14,96 para as mulheres). Os participantes foram avaliados em apenas um momento, por meio de três questionários (percepção de barreiras para atividade física, Questionário Internacional de Atividade Física (IPAQ) versão curta e estágios de mudança de comportamento). Conforme os resultados do IPAQ, mostra-se uma prevalência de 70% de inatividade física. As barreiras que mais se destacaram nos entrevistados foram "falta de incentivo da família e/ou amigos", "limitações físicas" e "mau humor". Em relação ao questionário de estágios de mudança de comportamento, 50% dos avaliados estão no estágio de preparação. O estudo conclui que o nível de atividade física em deficientes visuais é baixo e as principais causas podem ser motivacionais, falta de aptidão e psicológicas.Palavras-chave: Atividade física; Transtornos da visão; Comportamento.

We aimed to characterize the age of onset of training, age at menarche, menstrual periodicity, and performance perception during the menstrual cycle and examined the impact of these reproductive variables on body composition, morphology, and body weight satisfaction in Brazilian elite futsal players. The study consisted of 115 female Brazilian elite futsal players from the top national teams. Data were collected during the twentieth Women’s Brazil Futsal Cup. Players were interviewed and self-reported their age of onset of training, age at menarche, menstrual periodicity, and the menstrual period, where they performed best. We also asked for what they considered to be their ideal body weight as well as information related to their training (i.e., volume and frequency). Subsequently, anthropometric measurements (i.e., body mass, height, circumferences, diameters, and skinfold thickness) were performed to estimate the body composition and determine morphological characteristics (e.g., somatotype). Fifty-nine (53.2%) players were postmenarche-trained and 52 (46.8%) were premenarche-trained. Eighteen (16.2%), 65 (58.6%), and 28 (25.2%) were classified as early, normal, and late menarche, respectively. Only 11 (9.6%) and 1 (0.9%) had irregular menstrual cycles and were amenorrheic, respectively. Seventy-three (69.5%), 23 (21.9%), and 9 (8.6%) reported that their game performance was the best at the follicular phase, menses, and luteal phase of the menstrual cycle, respectively. No associations between the four reproductive-related variables were found. Postmenarche-trained players had significant lower age at menarche and higher percentage body fat. The somatotype profile registered lower ectomorphy rate for the postmenarche-trained participants after controlling for covariates. Early menarche group presented higher sum of six skinfold thickness and endomorphy rate compared to normal and late menarche groups. No differences were found when menstrual periodicity groups and best performance groups were compared, except for higher femur width in the regular menstrual cycle group compared to the irregular one. The association between body weight satisfaction and the four reproductive-related variables were not observed. Premenarche-trained Brazilian elite futsal players had the menarche later than the postmenarche-trained athletes. Most of the participants had menarche age classified as “normal,” presented “regular” menstrual cycles and perceived to perform better during the follicular phase of the menstrual cycle.

SummaryStudy aim: to compare the physical fitness of bus drivers and fare collectors (working hours per day in sitting position = 7h) with and without low back pain. The subjects consisted of sixty-six bus drivers and fare collectors working in a public transport company. Material and methods: the prevalence of low back pain, age and working time was determined for bus drivers and fare collectors using a questionnaire. All subjects underwent anthropometric assessment (weight, height and waist circumference), an abdominal endurance test and a hip flexibility test.Results: there was a significant difference between the low back pain group (n = 27) and the group without pain (n = 39) in body mass index (27.5 ± 3.9 kg · m -2 vs. 25.6 ± 4.0 kg · m -2 ), waist circumference (92.5 ± 10 cm vs. 85.9 ± 9 cm), the abdominal endurance test (28.9 ± 17.5 repetitions vs. 38.4 ± 19.2 repetitions) and the hip flexibility test (69.1 ± 14.4 degrees vs. 78.3 ± 16.9 degrees). There was no significant difference in age and working time. Conclusion: anthropometric measures, abdominal endurance and hip flexibility are deficient in bus drivers and fare collectors with low back pain. We suggest that workers with prevalent low back pain increase their physical fitness.

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Background: Increase of musculoskeletal disorders is related to an economic burden; also elevate time spend in sedentary behavior can lead to a decrease in physical fitness and consequently an incidence in musculoskeletal disorders. The aim of the study was to evaluate if low lumbar traction strength and flexibility could predict musculoskeletal pain in university staff in two years. Methods: This is a longitudinal study with 2-year follow-up. Fifty-three university staff members participated in this longitudinal study: age = 38±8 years, height = 171±10 cm, body mass = 75±14 kg, and body mass index = 26±4 m/kg2. The participants performed the lumbar traction and the sit and reach tests, and completed the Corlett and Bishop body map and musculoskeletal pain questionnaire at baseline and two years later. Results: There was a 4% increase in pain prevalence on year 2, but 62% of the participants remained in the same pain classification. Men presented 11% decrease in lumbar traction strength, whereas women presented 21% decrease in strength. Flexibility level at baseline was not associated with developing pain. However, individuals in the lower 75th lumbar traction strength percentile at baseline had 3.2 higher odds of reporting musculoskeletal pain two years later than those in the higher 25th strength percentile. Conclusion: University staff presented decreases in lumbar traction strength and flexibility over a two year period. Weaker individuals at baseline were more likely to report musculoskeletal pain two years later than those who were stronger. Flexibility levels were not associated with developing pain.