In Brazil, more than 80% of venomous snakebites are caused by Bothrops and about 10% by Crotalus. This study evaluated 133 reported cases that occurred between 1994 and 1996 in the 52 municipalities covered by the Pouso Alegre Regional Health Center in southern Minas Gerais State. Most of the patients were male (89.5%). The most frequently attacked age bracket was that of people in their twenties, and the most frequently bitten anatomical regions were the lower limbs (77.7%), principally the feet (34.6%). Of the 124 cases stating the snake genus, 62.9% were caused by Crotalus and 37.1% by Bothrops. The conclusion of this study is that although the epidemiology of snakebites in Minas Gerais State is similar to other regions of the country, the percentage of Crotalus bites is much higher
Introduction: The use of reliable, valid and precise skinfold calipers are key for an adequate anthropometric evaluation and corporal composition analysis. Objective: To compare fi ve models of skinfold calipers -Prime Vision (PV); Harpenden (HP); Sanny (SN); Cescorf (CE); Lange (LA)-. Materials and methods: Thirty-fi ve men (age = 21.5 ± 2.7 y; body mass 72.2 ± 8.0 kg; height 1.76 ± 0.06 m) were recruited and skinfolds (i.e., triceps, biceps, subscapular, pectoral, mid-axillary, suprailiac, abdominal, mid-tight, mid-calf) were measured. Four body fat predictive equations (Durnin y Wimberley; Pollock 3DC; Pollock 7DC; Petroski) were used. Normality assumption for all data was verifi ed with the Shapiro-Wilk test. Predicted body density and fat were compared between skinfold calipers using a two-way ANOVA, with Scheffe post hoc procedures. The α level was set at p ≤ 0.05 for statistical signifi cance. Results: No signifi cant differences were observed between skinfold calipers for predicted body density or body fat. Conclusion: Skinfold calipers compared in this study are precise and effi cient to quantify and assess body density and body fat.
Introdução: Avaliar e prescrever o treinamento aeróbico em corredores é de fundamental importância para que o rendimento seja alcançado. Parâmetros de controle de treinamento, como capacidade aeróbica (VO 2máx ) e limiar anaeróbico (LAn), vêm sendo exaustivamente estudados para determinar as adaptações ao treinamento aeróbico. O objetivo do nosso estudo foi verifi car a relação entre os parâmetros de controle de treinamento aeróbico através de testes de campo em corredores amadores. Materiais e Métodos: Participaram do estudo 17 corredores. Os testes realizados foram: 6X1000m em pista de atletismo para determinar o LAn, avaliado através da resposta do comportamento do lactato sangüíneo; para identifi car a velocidade crítica (Vcrit) adotou-se as distâncias de 3000m e 5000m, adotando a relação linear entre tempo e distância; e, para avaliar o VO 2máx , utilizou-se o teste de 2400m. Resultados: A velocidade do LAn foi de 4,42±0,34m.s -1 , a Vcrit foi identifi cada a 4,41±0,59m.s -1 e o VO 2máx a 4,57±0,60m.s -1 . A correlação entre as distâncias foi estatisticamente signifi cativa. Discussão: O teste proposto para identifi car o LAn se mostrou efi ciente pelo método de determinação do limiar anaeróbico individual. A correlação entre Vcrit e LAn foi considerada baixa, sendo que os dois parâmetros representariam o mesmo ponto metabolismo fi siológico.
This study aimed to evaluate and compare functional capacity and biochemical factors among elderly women living in the urban and rural sectors of Yumbe, Chile. The sample consisted of 2 groups of elderly women from the province of Ñuble, from the eighth region of Chile, divided into urban elderly (UE) (n = 20) with a mean age of 67.57 ± 3.4 years, and rural elderly (RE) (n = 20), with a mean age of 71.25 ± 2.2 years. The following biochemical variables were analyzed: glycemic index a, and triglycerides levels and cholesterol levels. The test battery used to assess functional capacity was the Senior Fitness Test. It was found that the UE group presented better indices than the RE group for all variables except glycemia, for which the RE group presented better indices. In the functional capacity, in particular, the upper and lower body strength is significantly lower in the RE. The functional capacity and the biochemical parameters studied have shown that the elderly women of different social conditions in the Yumbe-Chile region do not present a good degree of functionality, and also show high levels of cholesterol and triglycerides, which might be the cause of the increased prevalence of health problems in this population.
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