13 research outputs found

    Composição corporal dos jogadores de Futebol americano do Piracicaba Cane Cutters

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    American football is the fastest growing sport in Brazil, teams are divided between attack and defense, with its positions and functions, and the interest in studying the body composition of Football players dated 46 years ago. The present study aimed to evaluate the body composition of Piracicaba Cane Cutters Football players. The study included 56 male football players from 18 to 15 years of age. Body measurements such as weight, height and skinfolds (Pectoral, Abdominal, Triceps, Thigh and Calf) were performed in order to calculate BMI, percentage of fat, muscle mass and fat free mass. According to the position of the player, it has been noticed that Offensive Line has greater weight and BMI in relation to Tight End, Defensive Line, Linebacker, Running Back, Defensive Back, Quarterback and Wide Receiver that were classified in this order, in addition to presenting a greater %fat, evidencing pre-sarcopenic obesity. Wide Receiver presented greater % of MLG followed by Defensive Back, Linebacker, Running Back, Tight End, Defensive Line, Quarterback, Offensive Line; but the Linebacker position showed greater % of MM followed by Wide Receiver, Running Back, Defensive Back, Quarterback, Defensive Line, Tight End, Offensive Line; since the Wide Receiver and Quarterback IMM show sarcopenia in both. There was a differentiation of body composition by position, explained by unique characteristics of each position, physical effort and a body composition adequate to fulfill its purpose and to succeed in its function.O futebol americano é o esporte que mais cresce no Brasil, no qual os times são divididos entre ataque e defesa, com suas respectivas posições e funções, e o interesse em estudar a composição dos jogadores é datada de 46 anos atrás. O presente estudo teve como objetivo avaliar a composição corporal dos jogadores de futebol americano do time Piracicaba Cane Cutters. Fizeram parte do estudo 56 jogadores de futebol americano do sexo masculino entre 18 a 45 anos. Foram realizadas medidas corporais como peso, altura e dobras cutâneas (Peitoral, Abdominal, Tricipal, Coxa e da Panturilha), a fim de calcular IMC, porcentagem de gordura, massa muscular e massa livre de gordura. De acordo com a posição do jogador, observou-se que Offensive Line tem maior peso e IMC em relação a Tight End, Defensive Line, Linebacker, Running Back, Defensive Back, Quarterback e Wide Receiver e %G, evidenciando uma obesidade pré-sarcopenica. Wide Receiver apresentaram maior % de MLG seguido de Defensive Back, Linebacker, Running Back, Tight End, Defensive Line, Quarterback, Offensive Line; porém a posição Linebacker mostrou maior % de MM seguido de Wide Receiver, Running Back, Defensive Back, Quarterback, Defensive Line, Tight End, Offensive Line; uma vez que o IMM dos Wide Receiver e Quarterback mostram sarcopenia em ambos. Houve uma diferenciação de composição corporal por posição, sendo explicado pelas características únicas de cada posição, necessitando uma composição corporal adequada para cumprir seu proposito e ter sucesso em sua função. ABSTRACT Body composition of piracicaba cane cutters football playersAmerican football is the fastest growing sport in Brazil, teams are divided between attack and defense, with its positions and functions, and the interest in studying the body composition of Football players dated 46 years ago. The present study aimed to evaluate the body composition of Piracicaba Cane Cutters Football players. The study included 56 male football players from 18 to 15 years of age. Body measurements such as weight, height and skinfolds (Pectoral, Abdominal, Triceps, Thigh and Calf) were performed in order to calculate BMI, percentage of fat, muscle mass and fat free mass. According to the position of the player, it has been noticed that Offensive Line has greater weight and BMI in relation to Tight End, Defensive Line, Linebacker, Running Back, Defensive Back, Quarterback and Wide Receiver that were classified in this order, in addition to presenting a greater %fat, evidencing pre-sarcopenic obesity. Wide Receiver presented greater % of MLG followed by Defensive Back, Linebacker, Running Back, Tight End, Defensive Line, Quarterback, Offensive Line; but the Linebacker position showed greater % of MM followed by Wide Receiver, Running Back, Defensive Back, Quarterback, Defensive Line, Tight End, Offensive Line; since the Wide Receiver and Quarterback IMM show sarcopenia in both. There was a differentiation of body composition by position, explained by unique characteristics of each position, physical effort and a body composition adequate to fulfill its purpose and to succeed in its function

    Effects of Resistance Training and Soy Isoflavone on Body Composition in Postmenopausal Women

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    Objective. To investigate the independent and additive effects of resistance training (RT) and soy isoflavone (ISO) on body composition in postmenopausal women (PW). Method. This study used a placebo-controlled, double-blind (soy), randomized (ISO versus placebo) × (RT versus No RT) design. A total of 80 PW, aged 45–70 years, were randomly (71 completed 9-months intervention): RT + ISO (n = 15), No RT + ISO (n = 20), RT + placebo (n = 18), and No RT + placebo (n = 18). ISO received 100 mg a day of isoflavone; and to RT attended supervised resistance training sessions. At baseline and 9-months, fat and muscle mass were estimated by DXA. ANOVA and test t were used. Results. RT groups showed significantly increased muscle strength (35.2%) and muscle mass (1.4%). Exercising attenuated gains in fat trunk and % body fat (P < .05). Significant decreases in muscle mass (−1.8%) and increases in fat mass of the whole-body (1.6%) and trunk (9.7%) was found in no-RT groups (P < .05). In ISO groups, there were no differences in body composition and muscle strength. ISO and RT had no additive effects. Conclusion. In PW: RT improved muscle mass and strength and attenuated gain of fat mass; ISO did not alter body composition and muscle strength; there were no additive effects of RT and ISO

    Effects of beet juice supplementation in different concentrations and the importance of nitric oxide in endurance runners

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    More and more beetroot has been highlighted in sports, mainly in long-term aerobic modalities, due to its high concentration of nitrate (NO3- ), being an important precursor of nitric oxide (NO), providing an improvement in sports performance. The main objective of this study was to investigate the effects of acute ingestion of beetroot juice (BR), rich in NO3- in different concentrations in endurance exercise, evaluating performance, glycemic, cardiorespiratory and urinary responses of amateur runners. We hypothesized that BR would increase glucose uptake, minimize VO2max (maximum oxygen uptake), improve exercise economy and runners' performance. Nineteen male amateur runners were exposed to two conditions, ingestion of BR and PL (placebo), the individuals were divided into three groups (minimum, average and maximum concentration), being submitted to a 30-minute running test at maximum intensity, on a racetrack. Pre and posttest blood and urine samples were collected to determine glucose uptake, NO2- (nitrite) excretion, urinary pH and urinary density. Cooper's test also performed in order to assess VO2max. The main posttest results showed that through nitrite excretion there was a reduction of nitrate to nitric oxide (0 ± 0 vs 0.94 ± 0.23, P <0.05 (pre vs post)), increase in glucose uptake (139.94 ± 35.02 vs 122.88 ± 37.69, P <0.05 (PL vs BR)) and VO2max improvement(54.96 ± 6.87 vs 55.99 ± 6.88, P <0.05 (PL vs BR))], coinciding with the increase in physical performance (2972.63 ± 308.84 vs 3018.95 ± 309.29, P <0.05 (PL vs BR))]. The results found observed that beet supplementation in amateur runners increased glucose uptake, improved VO2max and running performance

    Clinical Study Effects of Resistance Training and Soy Isoflavone on Body Composition in Postmenopausal Women

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    Objective. To investigate the independent and additive effects of resistance training (RT) and soy isoflavone (ISO) on body composition in postmenopausal women (PW). Method. This study used a placebo-controlled, double-blind (soy), randomized (ISO versus placebo) × (RT versus No RT) design. A total of 80 PW, aged 45-70 years, were randomly (71 completed 9-months intervention): RT + ISO (n = 15), No RT + ISO (n = 20), RT + placebo (n = 18), and No RT + placebo (n = 18). ISO received 100 mg a day of isoflavone; and to RT attended supervised resistance training sessions. At baseline and 9-months, fat and muscle mass were estimated by DXA. ANOVA and test t were used. Results. RT groups showed significantly increased muscle strength (35.2%) and muscle mass (1.4%). Exercising attenuated gains in fat trunk and % body fat (P &lt; .05). Significant decreases in muscle mass (−1.8%) and increases in fat mass of the whole-body (1.6%) and trunk (9.7%) was found in no-RT groups (P &lt; .05). In ISO groups, there were no differences in body composition and muscle strength. ISO and RT had no additive effects. Conclusion. In PW: RT improved muscle mass and strength and attenuated gain of fat mass; ISO did not alter body composition and muscle strength; there were no additive effects of RT and ISO

    Associations between healthy eating patterns and indicators of metabolic risk in postmenopausal women

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    <p>Abstract</p> <p>Background</p> <p>Since human diets contain many components that may work synergistically to prevent or promote disease, assessing diet quality may be informative. The purpose of this study was to investigate the association between quality diet, by using Healthy Eating Index (HEI), and metabolic risk indicators in postmenopausal women.</p> <p>Methods</p> <p>This cross-sectional study included a total of 173 Brazilian women, aged 45-75 years, seeking healthcare at a public outpatient center. Food consumption assessed by 24 h-recall food inquiry was used to calculate HEI scores: >80 implied diet good, 80-51 diet "needed improvement", and <51 diet poor. Anthropometric data included: body mass index (BMI = weight/height<sup>2</sup>), waist-circumference (WC), body fat (%BF) and lean mass (%LM). Data on total cholesterol (TC), high density lipoprotein cholesterol (HDLC), low density lipoprotein cholesterol (LDLC), and triglycerides (TG) were also collected. Fisher's Exact test, and logistic regression method (to determine odds ratio, OR) were used in the statistical analysis.</p> <p>Results</p> <p>Overweight and obesity were observed in 75.7% of the participants. Excessive %BF (> 35%) was observed in 56.1%, while %LM was reduced (< 70%) in 78.1%. WC was elevated (≥88 cm) in 72.3%. Based on HEI values, diet quality was good in 3% (5/173), needed improvement in 48.5% (84/173), and was poor in 48.5% (84/173) of the cases. In this group, 75% of women had high intakes of lipids (> 35%), predominantly saturated and monounsaturated fat. On average, plasma TC, LDLC, and TG levels were higher than recommended in 57.2%, 79.2% and 45.1% of the women, respectively, while HDLC was low in 50.8%. There was association between HEI scores and the %BF that it was higher among women with HEI score < 80 (p = 0.021). There were not observed significant risk associations between HEI and lipid profile.</p> <p>Conclusion</p> <p>Among the Brazilian postmenopausal women attending a public outpatient clinic, diet was considered to need improvement or to be of poor quality, attributed to high saturated fat ingestion, which probably caused a negative impact on metabolic risk indicators, namely body composition.</p

    Composição corporal dos jogadores de Futebol americano do Piracicaba Cane Cutters

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    American football is the fastest growing sport in Brazil, teams are divided between attack and defense, with its positions and functions, and the interest in studying the body composition of Football players dated 46 years ago. The present study aimed to evaluate the body composition of Piracicaba Cane Cutters Football players. The study included 56 male football players from 18 to 15 years of age. Body measurements such as weight, height and skinfolds (Pectoral, Abdominal, Triceps, Thigh and Calf) were performed in order to calculate BMI, percentage of fat, muscle mass and fat free mass. According to the position of the player, it has been noticed that Offensive Line has greater weight and BMI in relation to Tight End, Defensive Line, Linebacker, Running Back, Defensive Back, Quarterback and Wide Receiver that were classified in this order, in addition to presenting a greater %fat, evidencing pre-sarcopenic obesity. Wide Receiver presented greater % of MLG followed by Defensive Back, Linebacker, Running Back, Tight End, Defensive Line, Quarterback, Offensive Line; but the Linebacker position showed greater % of MM followed by Wide Receiver, Running Back, Defensive Back, Quarterback, Defensive Line, Tight End, Offensive Line; since the Wide Receiver and Quarterback IMM show sarcopenia in both. There was a differentiation of body composition by position, explained by unique characteristics of each position, physical effort and a body composition adequate to fulfill its purpose and to succeed in its function.O futebol americano é o esporte que mais cresce no Brasil, no qual os times são divididos entre ataque e defesa, com suas respectivas posições e funções, e o interesse em estudar a composição dos jogadores é datada de 46 anos atrás. O presente estudo teve como objetivo avaliar a composição corporal dos jogadores de futebol americano do time Piracicaba Cane Cutters. Fizeram parte do estudo 56 jogadores de futebol americano do sexo masculino entre 18 a 45 anos. Foram realizadas medidas corporais como peso, altura e dobras cutâneas (Peitoral, Abdominal, Tricipal, Coxa e da Panturilha), a fim de calcular IMC, porcentagem de gordura, massa muscular e massa livre de gordura. De acordo com a posição do jogador, observou-se que Offensive Line tem maior peso e IMC em relação a Tight End, Defensive Line, Linebacker, Running Back, Defensive Back, Quarterback e Wide Receiver e %G, evidenciando uma obesidade pré-sarcopenica. Wide Receiver apresentaram maior % de MLG seguido de Defensive Back, Linebacker, Running Back, Tight End, Defensive Line, Quarterback, Offensive Line; porém a posição Linebacker mostrou maior % de MM seguido de Wide Receiver, Running Back, Defensive Back, Quarterback, Defensive Line, Tight End, Offensive Line; uma vez que o IMM dos Wide Receiver e Quarterback mostram sarcopenia em ambos. Houve uma diferenciação de composição corporal por posição, sendo explicado pelas características únicas de cada posição, necessitando uma composição corporal adequada para cumprir seu proposito e ter sucesso em sua função. ABSTRACT Body composition of piracicaba cane cutters football playersAmerican football is the fastest growing sport in Brazil, teams are divided between attack and defense, with its positions and functions, and the interest in studying the body composition of Football players dated 46 years ago. The present study aimed to evaluate the body composition of Piracicaba Cane Cutters Football players. The study included 56 male football players from 18 to 15 years of age. Body measurements such as weight, height and skinfolds (Pectoral, Abdominal, Triceps, Thigh and Calf) were performed in order to calculate BMI, percentage of fat, muscle mass and fat free mass. According to the position of the player, it has been noticed that Offensive Line has greater weight and BMI in relation to Tight End, Defensive Line, Linebacker, Running Back, Defensive Back, Quarterback and Wide Receiver that were classified in this order, in addition to presenting a greater %fat, evidencing pre-sarcopenic obesity. Wide Receiver presented greater % of MLG followed by Defensive Back, Linebacker, Running Back, Tight End, Defensive Line, Quarterback, Offensive Line; but the Linebacker position showed greater % of MM followed by Wide Receiver, Running Back, Defensive Back, Quarterback, Defensive Line, Tight End, Offensive Line; since the Wide Receiver and Quarterback IMM show sarcopenia in both. There was a differentiation of body composition by position, explained by unique characteristics of each position, physical effort and a body composition adequate to fulfill its purpose and to succeed in its function
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