Renato Vidal Linhares

Efeitos da maturação sexual na composição corporal, nos dermatóglifos, no somatótipo e nas qualidades físicas básicas de adolescentes

OBJECTIVES Describe the characteristics of body composition, somatotype, basic physical qualities, dermatoglyphics and bone age regarding sexual maturation stages of boys. METHODS A transversal study was carried out in 136 boys, between 10 and 14 years of age. Clinical assessment, physical examination and radiography of wrists and hands to calculate bone age were performed. RESULTS A tendency of increasing total body mass, stature, body mass index, body bone diameters and muscle circumferences and basic physical qualities was found with the advancing of puberty. No differences were found in dermatoglyphics and somatotype between different stages of puberty maturation. CONCLUSIONS Due to the changes in important parameters of physical training that occur during puberty, it can be concluded that the selection of children and adolescents for sport training and competitions should be based not only on chronological age but also, and mainly on sexual maturation, for better physical assessment and appropriate training for this population.

Perfil da composição corporal de mulheres com obesidade grau III pelo método de bioimpedância multipolar

OBJECTIVE To analyze a body composition profile in women with class III obesity using the multipolar bioimpedance method. METHODS Thirteen sedentary women aged between 20 and 40 years were evaluated. RESULTS The results show that the patients had a fat percentage of 51.9±1.50 % and lean mass of 48.1±1.50 %. Regarding fat mass and lean mass per body region, figures of 26.3±3.62kg and 26.2±2.91kg in the upper body, 9.1±0.06kg and 8.4±0.14kg in the lower limbs, and 3.3±0.02kg and 7.6±0.01kg in the upper limbs were obtained. Patients had a good symmetry between the left and right sides in both upper and lower limbs, besides of a muscular mass of 32.1±5.08kg, with a muscular mass index of 12.7±1.05kg/m2. CONCLUSION Higher fat accumulation was observed in the upper body region, followed by lower and upper limbs. Total muscular mass was apparently preserved, although sarcopenic obesity was not verified. Since this is a group of people that is still understudied, there is a need for further research on genetic and physical profile and caloric expenditure during exercise and rest.

Study of body composition, physiological variables in Grade III obese submitted to arm ergometer test

Study of body composition, physiological variables in Grade III obese submitted to arm ergometer test Felipe Monnerat Marino Rosa1,2, Renato Vidal Linhares2,4,6*, José Quaresma2, João Regis Ivar Carneiro2, Valéria Bender Braulio2,5, Roberto Simão1,3, Denise Pires de Carvalho2 and José Fernandes Filho1-3 1Programa de Pós Graduação em Educação Física da Universidade Federal do Rio de JaneiroRJ, Brasil 2Hospital Universitário Clementino Fraga Filho Universidade Federal do Rio de Janeiro-RJ, Brasil 3Escola de Educação Física e Desportos, Universidade Federal do Rio de Janeiro-RJ, Brasil 4Laboratório de Biociência do Movimento Humano (LABIMH), Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro-RJ, Brasil 5Laboratório de Nutrologia (LABONUTRO), Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro-RJ, Brasil 6Grupo de Pesquisa em Educação Física Escolar do Colégio Pedro II (GEPEFE), Colégio Pedro II do Rio de Janeiro-RJ, Brasil

Efectos de ejercicio físico agudo con ciclo ergómetro de miembros superiores en individuos con obesidad mórbida

Objective The purpose of this study is to research effects of acute exercise with cycle ergometers adapted for the upper limbs on physiological markers in the morbidly obese. Methods Ten morbidly obese patients participated in the study. They were submitted to thirty minutes of continuous activity on a cycle ergometer adapted to the upper limbs. The following physiological markers were evaluated: systemic arterial pressure, heart rate, the double product, and oxygen saturation. For the statistical analysis, descriptive analysis was used. Results Patients showed a Body Mass Index (BMI) value of 52.1 ± 8.3. Most of the subjects showed a slight reduction in systolic blood pressure (SBP) and diastolic blood pressure (DBP) after physical activity, with SBP before and after physical activity of 135.5±11.4 and 133.5±15.3 mmHg, respectively, and, for DBP, 83±7.5 and 77±7.1 respectively. The average heart rate was 68±10.4 bpm before, 100.6±16.5 bpm during and 80.7±14.5 bpm 1 minute after. The double product (DP) had a mean increase of 29.6±17.1 % in men and 10.4±8.9 % in women when compared with the initial phase. The oxygen saturation showed no mean difference before, during or after activity. Conclusion It can be concluded that acute physical exercise with an upper limbs cycle ergometer in morbidly obese patients does not represent an elevated risk to these patients, being in fact a good intervention to promote health.

Effects of acute exercise with upper body cycle ergometer in individuals with morbid obesity

Objective The purpose of this study is to research effects of acute exercise with cycle ergometers adapted for the upper limbs on physiological markers in the morbidly obese. Methods Ten morbidly obese patients participated in the study. They were submitted to thirty minutes of continuous activity on a cycle ergometer adapted to the upper limbs. The following physiological markers were evaluated: systemic arterial pressure, heart rate, the double product, and oxygen saturation. For the statistical analysis, descriptive analysis was used. Results Patients showed a Body Mass Index (BMI) value of 52.1 ± 8.3. Most of the subjects showed a slight reduction in systolic blood pressure (SBP) and diastolic blood pressure (DBP) after physical activity, with SBP before and after physical activity of 135.5±11.4 and 133.5±15.3 mmHg, respectively, and, for DBP, 83±7.5 and 77±7.1 respectively. The average heart rate was 68±10.4 bpm before, 100.6±16.5 bpm during and 80.7±14.5 bpm 1 minute after. The double product (DP) had a mean increase of 29.6±17.1 % in men and 10.4±8.9 % in women when compared with the initial phase. The oxygen saturation showed no mean difference before, during or after activity. Conclusion It can be concluded that acute physical exercise with an upper limbs cycle ergometer in morbidly obese patients does not represent an elevated risk to these patients, being in fact a good intervention to promote health.

Efeitos do exercício físico agudo em ciclo ergômetro de membros superiores em indivíduos com obesidade mórbida

Objective The purpose of this study is to research effects of acute exercise with cycle ergometers adapted for the upper limbs on physiological markers in the morbidly obese. Methods Ten morbidly obese patients participated in the study. They were submitted to thirty minutes of continuous activity on a cycle ergometer adapted to the upper limbs. The following physiological markers were evaluated: systemic arterial pressure, heart rate, the double product, and oxygen saturation. For the statistical analysis, descriptive analysis was used. Results Patients showed a Body Mass Index (BMI) value of 52.1 ± 8.3. Most of the subjects showed a slight reduction in systolic blood pressure (SBP) and diastolic blood pressure (DBP) after physical activity, with SBP before and after physical activity of 135.5±11.4 and 133.5±15.3 mmHg, respectively, and, for DBP, 83±7.5 and 77±7.1 respectively. The average heart rate was 68±10.4 bpm before, 100.6±16.5 bpm during and 80.7±14.5 bpm 1 minute after. The double product (DP) had a mean increase of 29.6±17.1 % in men and 10.4±8.9 % in women when compared with the initial phase. The oxygen saturation showed no mean difference before, during or after activity. Conclusion It can be concluded that acute physical exercise with an upper limbs cycle ergometer in morbidly obese patients does not represent an elevated risk to these patients, being in fact a good intervention to promote health.

Equations for determining bone age and sexual maturation of children and adolescents

Objective This study had objective develop and validate prediction equations bone age and an index of sexual maturity for children 9 to 14 years old male from the city of Rio de Janeiro. Methods The study included 400 children and adolescents and 300 subjects (75 %) had their results used to develop the equations and 100 subjects (25 %) for the validation of the same. Applied the method parametric regression Stepwise Correlation, being the independent variables consist of anthropometric measurements and taking decisions based on the SEE (Standard Error of Estimate) combined with regression rate (R) and determination (R2). Results The most significant predictor model, accounted for: Age Bone= 0,062 * Height(cm) + 0,426 * Id.Cronol. + 0,041 * MassaCorp.(Kg) - 0,390 * Diameter Femur. Secondly, it was taken as the dependent variable sexual maturation according to the criteria of Tanner (IMT), and in this context was added as an independent variable the bone age (IO), calculating the second predictor model under the same conditions of acceptability previously mentioned: Maturation Index Tuner (IMT) = 0,5423 * age estimated bone - 0,0374 * Height(cm) + 0,0388 * MassaCorp.(Kg). Conclusions The results obtained by non-invasive methods are a breakthrough in medical diagnostics for disease prevention, as well as equations with these objectives, a facilitator in guiding the selection and sports.

Ecuaciones para determinar la edad ósea y la maduración sexual de niños y adolescentes

Objective This study had objective develop and validate prediction equations bone age and an index of sexual maturity for children 9 to 14 years old male from the city of Rio de Janeiro. Methods The study included 400 children and adolescents and 300 subjects (75 %) had their results used to develop the equations and 100 subjects (25 %) for the validation of the same. Applied the method parametric regression Stepwise Correlation, being the independent variables consist of anthropometric measurements and taking decisions based on the SEE (Standard Error of Estimate) combined with regression rate (R) and determination (R2). Results The most significant predictor model, accounted for: Age Bone= 0,062 * Height(cm) + 0,426 * Id.Cronol. + 0,041 * MassaCorp.(Kg) - 0,390 * Diameter Femur. Secondly, it was taken as the dependent variable sexual maturation according to the criteria of Tanner (IMT), and in this context was added as an independent variable the bone age (IO), calculating the second predictor model under the same conditions of acceptability previously mentioned: Maturation Index Tuner (IMT) = 0,5423 * age estimated bone - 0,0374 * Height(cm) + 0,0388 * MassaCorp.(Kg). Conclusions The results obtained by non-invasive methods are a breakthrough in medical diagnostics for disease prevention, as well as equations with these objectives, a facilitator in guiding the selection and sports.

Equações para a determinação da idade óssea e maturação sexual de crianças e adolescentes

Objective This study had objective develop and validate prediction equations bone age and an index of sexual maturity for children 9 to 14 years old male from the city of Rio de Janeiro. Methods The study included 400 children and adolescents and 300 subjects (75 %) had their results used to develop the equations and 100 subjects (25 %) for the validation of the same. Applied the method parametric regression Stepwise Correlation, being the independent variables consist of anthropometric measurements and taking decisions based on the SEE (Standard Error of Estimate) combined with regression rate (R) and determination (R2). Results The most significant predictor model, accounted for: Age Bone= 0,062 * Height(cm) + 0,426 * Id.Cronol. + 0,041 * MassaCorp.(Kg) - 0,390 * Diameter Femur. Secondly, it was taken as the dependent variable sexual maturation according to the criteria of Tanner (IMT), and in this context was added as an independent variable the bone age (IO), calculating the second predictor model under the same conditions of acceptability previously mentioned: Maturation Index Tuner (IMT) = 0,5423 * age estimated bone - 0,0374 * Height(cm) + 0,0388 * MassaCorp.(Kg). Conclusions The results obtained by non-invasive methods are a breakthrough in medical diagnostics for disease prevention, as well as equations with these objectives, a facilitator in guiding the selection and sports.

Las características dermatoglíficas de niños y adolescentes talentosos del Instituto Rogério Steinberg de Rio de Janeiro - RJ

La identificacion de personas talentosas es uno de los puntos mas dificiles y ha sido mal trabajado en Brasil. El objetivo de este articulo fue identificar el perfil dermatoglifico de jovenes considerados talentosos por el Instituto Rogerio Steinberg - RJ. El conocimiento del perfil de un grupo facilita su desarrollo y el descubrir sus potencialidades crea indicadores que orientaran la deteccion de futuros talentos. En el caso de la muestra investigada se observo que esos ninos y adolescentes poseen un bajo porcentaje de disenos tipo arco y altos niveles de deltas y de lineas en los diez dedos de las manos; caracteristicas similares a las encontradas en deportistas de alto rendimiento. Ademas, se observa el fenomeno de espejo entre las manos, es decir, una similitud en los disenos digitales y en la relacion del numero de lineas entre los dedos de las manos correspondientes casi perfectas, como la hipotesis sugerida en este estudio. Por lo tanto, esto nos lleva a pensar que la dermatoglifia puede ser una herramienta complementaria en la identificacion de individuos talentosos.