The main objective of this study was to investigate the effects of the order of physical exercises on body composition, physical fitness, and cardiometabolic risk in adolescents participating in an interdisciplinary program focusing on the treatment of obesity. The final 12-week analyses involved 33 female adolescents who were split into two groups of concurrent training (CT): resistance plus aerobic training and aerobic plus resistance training, with equalization performed in all physical exercises. The only difference between the two groups was the order in which the exercises were performed. The results showed reductions in fat mass, body fat, and waist circumference, as well as increases in musculoskeletal mass and resting metabolic rate ( p < 0.05) following the multiprofessional intervention period. However, no significant differences were observed in regard to body mass, body mass index, neck circumference, or arm circumference ( p > 0.05). Maximal isometric strength and maximal oxygen consumption showed significant increases after the intervention period ( p < 0.05). There were reductions in insulin, HOMA-IR, total cholesterol, triglycerides, and low-density lipoproteins ( p < 0.05), and an interaction within the resistance plus aerobic training group showed lower values for triglycerides when compared to itself ( p = 0.002). No difference was found in fasting glycemia for either group ( p > 0.05). It is worth noting that the equalization training variables presented no differences between the two groups ( p > 0.05). Based on these results, both CT methods were found to be effective in promoting health parameters in overweight and obese female adolescents, and triglyceride values decreased more in the resistance plus aerobic group. Future studies with larger samples and feeding control should be conducted to confirm or refute our findings.
Identification of the body fat (BF) percentage allows health professionals to detect healthy or risky patterns in a population. However, no studies have elaborated BF cutoff points using the bioelectrical impedance method in young Brazilian adults. Thus, the objective of the present study was to elaborate normative tables for BF in Brazilian men and women (sedentary and physically active) between 18 and 39 years of age. A total of 3,111 adults (958 men and 2,153 women) were evaluated using bioimpedance measurements with the InBody 520 device. The data were distributed normally and divided into percentiles (
To investigate the effects of two different modes of physical activity on body composition, physical fitness, cardiometabolic risk, and psychological responses in female adolescents participating in a multi-disciplinary program. The 12-week randomized intervention included 25-adolescents with overweight divided into two groups: sports practice-SPG and functional training-FTG. The SPG intervention was divided into three sports: basketball, handball, and futsal. SPG participants performed one sport 3-times/week, over the course of 1 month. The FTG performed concurrent exercises 3-times/week. This study was registered in Clinical Trials Registry Platform under number: RBR-45ywtg and registered in Local Ethics Committee number: 2,505.200/2018. The intensity of physical exercises-PE was matched between groups by the rating of perceived exertion. The primary outcome was body composition, and secondary outcomes were physical fitness, cardiometabolic risk, and psychological responses. There was a significant time-effect for body mass, body mass index, and low-density lipoprotein (LDL-c), all being reduced. There were increases over time for musculoskeletal mass, aerobic fitness, and high-density lipoprotein (HDL-c) (p < 0.05). There was a group time interaction with body fat percentage being lower post-intervention in the SPG (p < 0.05). No significant differences were observed for the other variables. Both physical activity models were effective in improving a subset of obesity-related health parameters. The findings should be extended by further investigation using more sophisticated measures of energy expenditure.Clinical Trial Registration:https://ensaiosclinicos.gov.br/, identifier: RBR-45ywtg.
Introduction: To investigate the effects of a multiprofessional approach on anthropometric parameters and body composition and the level of food processing in adolescents. Methods: Twelve overweight/obese male adolescents between 13-17 years old participated in a series of 12-week multiprofessional interventioms led by physical education, nutrition and psychology professionals. The participants were assessed before the intervention as well as at 6 and 12 weeks into it. Anthropometric assessments were performed, including body weight, stature and body mass index; body composition, with fat mass (FM), body fat (%BF), skeletal muscle mass (SMM) and resting metabolic rate (RMR) and by filling in a three-day food record, in order to calculate the ingested foods, by the level of processing of the food: fresh, minimally processed, processed and ultra-processed. Results: No differences were observed for the anthropometric parameters performed at different stages (p>0.05). Reductions for FM and %BF and increases in SMM and RMR (p<0.05) were identified, all after 12-week of the intervention. There was an increase in the consumption of natural foods/g, and an increase in the caloric consumption of processed foods/kcal, after 12-week of interventions (p<0.05). Conclusion: The model resulted in decreases in FM and %BF, an increase in SMM, RMR, natural foods/g and processed foods/kcal.
Introduction: Overweight negatively impacts the cardiovascular system and osteomyoarticular, promoting pain in the joints of the lower limbs. Therefore, strategies have been applied to reduce overweight through lifestyle changes. Objective: to investigate the effects of two multidisciplinary intervention programs on the health-related physical fitness of obese women with pain symptoms in the knees. Methods: Women between 40 and 59 years of age with obesity (n=59) were evaluated in the pre- and post-intervention time regarding anthropometry, body composition, physical fitness, level of disability in the knee and hip, and health-related quality of life. A randomized clinical trial of parallel groups was conducted, using two resistance exercise programs and food re-education, for eight weeks. All participants received the same nutritional intervention content and for physical exercises were randomized into two groups, G1 being the "strength group" using machines (n=30), and G2 being the "functional training" group (n=29). Twenty-eight women (G1=18 + G2=10) were included in the final analyses. The groups and time were evaluated by two-way analysis of variance, with repeated measures. A p < 0.05 was assumed for all analyses. Results: a time effect was identified, with higher values for maximum isometric lumbar-traction strength (MILTS), after the intervention period in both groups (p < 0.05). However, for the other variables investigated, no significant differences were identified (p > 0.05). Conclusion: The absence of significant results for all variables, except FIMTL, may be justified by the moderate adherence of the participants to interventions (~59% to 66%) since the study was conducted during the period of social isolation (COVID-19). However, it is believed that the intervention models were positive in maintaining the variables studied.
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