Efeito da plataforma vibratória na recuperação da densidade óssea de ratas ovariectomizadas

As mudanças demográficas decorrentes do envelhecimento populacional têm contribuído substancialmente para o aumento de doenças crônicas não transmissíveis relacionadas à idade, dentre elas está a osteoporose, considerada um dos principais problemas de saúde pública, por sua prevalência crescente e pela associação a fraturas em diversas áreas do corpo, com graves repercussões clínicas e sociais. Com isso vem se buscando cada vez mais alternativas de exercício físico válidas para o combate e prevenção a estas doenças ósseas. Como possível alternativa têm se estudado os efeitos e benefícios dos treinamentos realizados em Plataformas Vibratórias, equipamento que através de baixa amplitude e alta freqüência pode vir a influenciar positivamente nas capacidades físicas. Portanto, devido à escassez de informações acerca dos efeitos do exercício na plataforma vibratória sobre a microarquitetura dos ossos em indivíduos idosos e já acometidos pela osteoporose, o objetivo deste estudo foi, com um modelo animal, descrever através de imagens de Microscopia Eletrônica de Varredura (MEV), a reação do tecido ósseo de ratas idosas ovariectomizadas ao exercício em Plataforma Vibratória. Para execução deste estudo foram utilizadas 20 ratas Wistar (Rattus Norvegicus Albinus Wistar), separadas em 4 grupos: Sedentário Controle (S), Sedentário Ovariectomizado (SO), Treinado Controle (T) e Treinado Ovariectomizado (TO). Como protocolo de treinamento a plataforma vibratória foi regulada com freqüência de 35 Hz e amplitude baixa (1 a 2 mm) e consistiu de uma fase de adaptação ao exercício e à vibração e após este período uma fase de treinamento. Para análise a região do osso selecionada foi o terço proximal da diáfise do fêmur. Como resultado, obtivemos que para o grupo SO a indução à osteoporose foi positiva quando comparada ao grupo S, que ...(Resumo completo, clicar acesso eletrônico abaixo)

Efeitos da atividade física sobre equilíbrio, risco de quedas e função cognitiva de idosos com demência de Alzheimer: Salma Stéphany Soleman Hernandez. -

The Alzheimer’s dementia represents a clinical condition inherent to many chronic and neurodegenerative diseases that are usually related to a decline in the cognitive and physical functions. The objective of this experimental design research was to analyze the effects of a regular and systemized physical activity program over the cognitive functions, balance and risk of falls of elderly with Alzheimer’s Dementia (DA). The sample was made of 16 elderly with DA, distributed in two groups: a) intervention group – GI (9 subjects that had participated in a program of physical activity, that consisted of 3 weekly sessions of 60 minutes each, in alternated days and with a duration of 6 months); b) control group – GC (7 subjects that did not participate in the program of physical activity). Both groups maintained the doctoral and pharmacological assistance routine. The subjects passed through two different evaluations (pre and post-intervention) the questionnaire (Mini-exam of Mental State for cognitive functions) and motor tests (Berg Functional Balance Scale – EEFB, Timed Up-and-Go (TUG) time (TUGs) and steps (TUGp) and the test of agility and dynamic balance (AGILEQ) of the American Alliance for Health, Physical Education Recreation and Dance for elderly). The obtained results were, respectively in the pre and post-intervention moments: a) AGILEQ (GI = 39,1 ± 10,2 and 38,4 ± 8,9 and GC = 45,6 ± 16,7 and 59,9 ± 22,0 seconds) with the statistically interaction significant (ANOVA two-way; F1,14 = 32,07; p=0,01) between groups and moments; b) TUGs (GI = 9,8 ± 2,5 and 9,5 ± 3,3 and GC = 10,6 ± 4,5 and 12,7 ± 7,3 seconds) the test UMann Whitney did not appoint any significant differences between the groups in the post-intervention moment, however the analyzes of Wilcoxon evidenced a ...(Complete abstract click electronic access below)

Interferência do bullying no esporte de alto rendimento

Examine the phenomenon of bullying behavior that makes people teased, laughter, sarcasm, irony, among other types of attacks. This is not only physically, but with moral violence, emotional or psychological. When there is an effective intervention against bullying, all individuals in the group start to suffer with this situation, which can lead to psychological disorders, hampering the progress of relations as well as team sports, over a period of training and competition. This article analyzed a sample of athletes in order to find behaviors that characterize the extent of bullying and can see the consequences of it, as early drop out. Through the results it was concluded that the actions that characterize bullying are present in very high performance football and may even lead to drop out the sport. We also evaluate the environments frequented by teams can become enhancers of this phenomenon, they are times when athletes have a living space and one that may become amenable to the events, plus the fact that many athletes have already thought about leaving the sport because to bullying

Personal trainer: uma abordagem conceitual

Não disponível

Travessias de Cecília: a caminho da educação matemática no CEEJA Padre Moretti - Rondônia

Pós-graduação em Educação Matemática - IGCE

Análise da técnica dos estilos Crawl e Costas em praticantes de natação

The aim of this study was to analyze and evaluate the performance of swimmers tied to the Extension Project Natação na UNESP at distances of 25m, 50m, 75m and 100m. The study included 20 people, including 12 men and 8 women. From an aerial footage was possible to record the tests proposed by the analysis of videos of, Freestyleand Backstroke styles for stroke cycles, average speed, stroke frequency and time proof stretches of 0-25m, 25-50m, 50-75m e 75-100m. Thus, it was possible to calculate stroke length, frequency, average speed as proposed in the study of Maglischo (1999). From these data were applied to descriptive statistics with mean and standard deviation, minimum and maximum scores in the different parameters of analysis and statistical tests, t-test and correlation to make comparisons between styles and between the distances swims by the subjects. Regarding the performance of the participants in the eight proposed tests, it can be said that most have already mastered the styles Crawl and Back Crawl for having managed to finish the tests proposed. However, the results of the variables analyzed mainly by the total time obtained in the tests can classify the subjects in the initial phase of learning and to start the training will be necessary to improve the implementation of styles

Notas preliminares sobre historiografia da educação sexual brasileira: apontamentos de uma cronologia descritiva: 1) Atitudes e comportamentos sexuais no brasil nos documentos da inquisição dos séculos XVI e XVII

Te authors intend to present the history o Brazilian education as an important

Gestão da atividade física no SUS: o processo de inserção do Programa de Exercícios Físicos em Unidades de Saúde no município de Rio Claro-SP : um estudo de caso

Pós-graduação em Ciências da Motricidade - IBRC

Treinamento com vibração do corpo todo resulta em ganho de força muscular e mobilidade funcional em indivíduos com doença de Parkinson

Pós-graduação em Desenvolvimento Humano e Tecnologias - IBRC

Movimento jogo e brincadeira na educação infantil: as expectativas das famílias

Childhood is a theme that has attracted many controversies and discussions, and winning approaches to the increasingly large over time: biological, psychological, educational, welfare and, more recently, sociological. It is known that the movement, play and game activities are important recurrent and integral development of children, and should be present prominently in early childhood institutions. Based on these assumptions is that this study aimed to analyze the didactic-pedagogical principles postulated by the law, official guidelines didactic teaching and literature, with regard to meeting the needs of children in early childhood education. Unveiling the expectations of the families responsible for children in relation to early childhood education, especially with regard to movement, and play games and compare to what extent these expectations turn away or close to the guidelines on teaching and pedagogical movement, games and postulated in official documents, legislation and literature. To this end, we carried out literature search, selection and analysis of texts relevant to the understanding of the theme. Fieldwork was conducted in a Municipal School of Early Childhood Education Full-time (Emei) of Bauru/SP, and involved the analysis of the Political-Pedagogical Project of the institution, semi-structured interviews with five teachers and five children in the family responsible for Garden II (ages 5 to 6 years). Data were analyzed using thematic content analysis of Bardin and triangulated by the confrontation of literature/legislation, the Pedagogical Political Project of the institution and the expectations of families/guardians. We also realize that the Pedagogical Political Project of EMEI is in routine activities with the children, movement, and play the game are covered and are worked. According to teachers interviewed they assist in learning other areas of work (Oral and Written Language, Nature and Society, etc.) learning of moral...

Efeitos preventivos do exercício físico sobre as proteínas ciclooxigenase-2 (COX-2) e fator de crescimento de vasos derivado do endotélio (VEGF) no músculo cardíaco em ratos tratados com dexametasona

Dexamethasone (DEXA) is a synthetic glucocorticoid widely used in the handling of several drugs, for its proven benefits in fighting inflammation and allergies. Despite their benefits, their chronic use leads to several side effects that include changes in the body in the metabolism of carbohydrates, lipids and proteins. Moreover, being an anti-inflammatory, acts on the arachidonic acid pathway, reducing the expression of the enzyme cyclooxygenase (COX-2) and growth factor derived from the endothelium of blood vessels (VEGF) in various tissues. However, its effects on the myocardium are still uncertain. The physical training (PT), in turn, promotes effects contrary to those caused by chronic use of DEXA, however, little is known about the preventive effects of TF in the side effects of Dexa in the myocardium. Therefore, the aim of this study was to determine if the TF has the ability to prevent and/or mitigate the effects of Dexa in protein expression of COX-2 and VEGF in the myocardium. Forty animals were divided into 4 groups: sedentary control (SC), sedentary treated with Dexa (SD), trained control (TC) and Trained treated with Dexa (TD) and submitted to a protocol of physical training on the treadmill for 70 days (1 h/day-5 days per week, 60% of physical capacity) or kept sedentary. Over the past 10 days, rats were treated with Dexa (Decadron, 0.5 mg/kg per day, ip) or saline. During training the animals were weighed weekly and during treatment daily. At the end of treatment was made to measure fasting glucose levels of animals. The rats were killed with excess anesthesia and cardiac muscle was removed, weighed, homogenized, centrifuged and stored at -20° C for analysis of protein expression of VEGF and COX-2 by Western blotting technique. Treatment with dexamethasone caused a weight loss of 18% in sedentary animals and 13% in trained as well as elevated levels of fasting glucose in sedentary (88%). The TF was unable to mitigate the loss in...

Efeitos preventivos do exercício físico na expressão da miostatina em ratos tratados com Dexametasona

Muscle atrophy is always associated with Dexamethasone (Dexa) treatment, however the mechanisms are not completely understood. This study investigated the effects of Dexa on myostatin and p70S6K protein expression and if previous exercise training (T) can attenuate these effects. Eighty rats were distributed into 4 groups: sedentary control (SC), sedentary treated with Dexa (SD; 0,5 mg/kg per day, i.p., 10 days), trained control (TC) and trained treated with Dexa (TD) and underwent a training period where they were either submitted to a running protocol (60% of physical capacity, 5 days/week for 8 weeks) or kept sedentary. After T period, animals underwent Dexa treatment concomitant with training. Western Blot was performed to identify myostatin and p70S6k protein expression in the tibialis anterior (TA) and soleus (SOL) muscle. Ten days of Dexa treatment increased fasting glucose (SD=+62%), however previous T attenuated this increase (TD=+20%, p<0.05). Dexa determined significant decrease in body weight in TD (-22%) and SD (-25%), followed by TA weight reduction in SD (-23%) and TD (-20%). Previous training could not avoid these decreases. Myostatin protein expression was not altered by dexa treatment or training in TA muscle but in SOL muscle it was significantly modified after T, regardless of treatment (TC=+%23 and TD=+25) compared with their respective controls. The protein p70S6K was not modified neither by dexa nor training in any of the analyzed muscle or condition. The results of this study allowed us to conclude that previous training attenuates the hyperglycemia induced by Dexa, however it did not prevent the body or muscle weight reductions. Even in the presence of muscle atrophy, the expression of myostatin and p70S6K do not justify the mechanisms of muscle loss induced by Dexa, which suggests that other catabolic or anabolic proteins could be involved in the process of muscle atrophy after 10 days of treatment with Dexa

Avaliação do perfil antropométrico e de força de jovens jogadores de polo-aquático

The present study aimed to analyze the performance of 'boost' among water polo athletes. Twelve athletes (13,9  1,08 years, 169,0  6,0 cm and 59,5  13,5 kg of bodyweight) were under went to anthropometric assessment, body composition and maximum concentric strength of lower limbs. The jump test in the water was done by 'boost' and scaled to jump height. According to the results of strength (Leg Press 45: 157,08  43,30 kg Leg Extension: 72,08  12,86 kg), anthropometry (arm circumf.: 26,04  3,25 cm, thigh circumf.: 50,47  7,65 cm, sholder circumf.: 95,97  8,00 cm, elbow diam.: 4,74  0,51 cm, wrist diam.: 3,21  0,34 cm, knee diam.: 7,89  0,58 cm, biacromial diam.: 37,49  3,81 cm and bi-iliac diam.: 25,43  4,34 cm) and body composition (BMI: 20,74  4,00 kg / m² and% fat: 8,45  4,28), only stature showed a linear correlation (r= 0,595) to the values of vertical jump (height: 47,80  4,35 cm) performance. This anthropometric variable was one able to influence the height of performance by modifying it self, perhaps by maturity. However maturity may be an implicity feature of performance, since force is a concerned effect of the growth. Otherwise technique could play a mains role to the performance of the 'boost'. It can be conclude that possibly is advantageous for water polo athlete be higher and more mature for the realization of 'boost', and the training directed for the technique, but is necessary muscle fitness for the holder

Protocolos de natação em modelos experimentais com ratos

Exercise physiology has attempted to reproduce the experimental exercise in the laboratory using mainly rats. The swimming exercise has emerged as one of the leading research in these type ergometers. Thus, this research consisted of a literature review addressing the key issues which involve the exercise of swimming in the model rats. Training of aerobic and anaerobic swimming, evaluation models and models of periodization were the topics suggested in this research. In several studies, models of aerobic and anaerobic training have been proposed with the aim of studying their effect on normal and abnormal physiological parameters. However, earlier studies lacked methods of analysis aiming to determine the exercise intensity in the animal model. For this reason, in the last decade, assessment models have been adapted for humans to animals, especially rats. The maximal lactate steady state (MLSS) and lactate minimum (LM) are among the various techniques used to measure the amount of effort produced by swimming exercise in rats. Thereafter, based on biochemical parameters such as lactate, swimming exercise in rats has become the highest-rated, ie, using as reference the anaerobic threshold (AT). In another aspect, an entirely new line of research has tried to understand and promising swimming training in a periodized and its effects on some biochemical parameters. But this is an area little researched so far. Thus, the experimental model of swimming has proved an important resource of exercise physiology. From this model, it becomes possible to study the exercise, especially swimming, in more accurate, based on invasive and incisive analysis of the rat