Aptidão cardiorrespiratória, perfil lipídico e metabólico em adolescentes obesos e não-obesos

Leite, Neiva; Milano, Gerusa Eisfeld; Cieslak, Fabrício; Stefanello, Joice Mara Facco; Radominski, Rosana Bento

doi:10.1590/s1807-55092009000300008

Cited by 6 publications

(9 citation statements)

References 25 publications

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“…Besides the effects of adiposity, the low cardiorespiratory fitness, characterized by low oxygen uptake, commonly observed in obese individuals ( 22 ) , as well as the blood flow rate can contribute to decreases in RBCs and consequently in hemoglobin levels ( 23 ) in this population.…”

Section: Discussionmentioning

confidence: 99%

Relationship between lipid and hematological profiles with adiposity in obese adolescents

Ferreira¹,

Silva²,

Lins³

et al. 2013

Revista Brasileira De Hematologia E Hemoterapia

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BackgroundAn excess of weight including obesity have reached epidemic rates in all age groups, both in developed and developing countries. It is notable that overweight children and adolescents have a higher likelihood of becoming obese adults and to present health-related problems early in life.ObjetivesTo verify associations of the lipid and hematological profiles with adiposity in obese adolescents beginning multidisciplinary weight loss therapy.MethodsThis cross-sectional study was conducted with 85 adolescents of both genders, aged 12-19 years (Tanner staging 3 or 4) and body mass index greater than the 95th percentile. The sum of the triceps, subscapular and calf skinfolds and the waist circumference were used to estimate adiposity. Blood samples were collected from all patients after overnight fasting to analyze blood lipids (total cholesterol, high-density lipoprotein, low-density lipoprotein, very low-density lipoprotein and triglycerides), blood sugar and the hematological profile (hemoglobin, platelets and red blood cells). The Kolmogorov-Smirnov test and Spearman and Pearson correlation coefficients were used for statistical analysis with significance set for p-values ≤ 0.05.ResultsThere were statistical differences between genders for red blood cells (p-value = 0.000), hemoglobin (p-value = 0.000) and platelets (p-value = 0.002). Positive correlations were found for red blood cells (p-value = 0.031) and hemoglobin (p-value = 0.024) with waist circumference. There was a negative correlation between hemoglobin and the sum of skinfolds (p-value = 0.022).ConclusionThe results demonstrate an association between the lipid and hematological profiles and body adiposity in obese adolescents thus reinforcing the importance of treating obese adolescents early to prevent health related problems in adult life.

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Section: Discussionmentioning

confidence: 99%

Relationship between lipid and hematological profiles with adiposity in obese adolescents

Ferreira¹,

Silva²,

Lins³

et al. 2013

Revista Brasileira De Hematologia E Hemoterapia

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“…Every data set that supports the results of this study was provided to the OSFHOME repository and can be accessed at https://osf.io/wp5xc/ 43 The methodological quality of most studies (n = 14), was evaluated as poor. 10,[12][13][14]16,17,20,24,25,36,[39][40][41][42] All other studies (n = 9) 15,18,19,21,22,26,27,37,38 obtained moderate methodological quality. No study presented high methodological quality.…”

Section: Data Availabilitymentioning

confidence: 94%

“…A total of 13 studies opted for the 20-meter Shuttle Run test to measure aerobic fitness. 10,[12][13][14][15][17][18][19][20]25,26,36,37 Maximal and submaximal exertion tests in cycle ergometer, 27,38,39,41 treadmill progressive test, 40,42 9 minute walk / run test, 16,22,24 12-minute walk / run 16 and the step-mCAFT test 21 were also used.…”

Section: Data Availabilitymentioning

confidence: 99%

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Oxygen Uptake and Indicators of Obesity: Meta-Analysis Including 17,604 Adolescents

Gonçalves

Fernandes

Alves

et al. 2021

Rev Bras Med Esporte

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Introduction: Low aerobic fitness levels are associated with excess body adiposity in adolescents. However, studies that have analyzed this association in adolescents have used different methods and measures to evaluate aerobic fitness, making it difficult to compare the results. Objective: To conduct a systematic review with meta-analysis of studies that have analyzed the association between aerobic fitness and anthropometric body adiposity indicators in adolescents aged 10-19 years. Methods: A systematic search was performed in May 2016, updated in March 2017, in the following electronic databases: LILACS (BIREME), Embase, MEDLINE (PubMed), Web of Science (Web of Knowledge), Scopus, and SPORTDiscus. Results: Twenty-three studies were selected. The meta-analysis indicated that as the aerobic fitness levels increased, the BMI, waist circumference and body fat percentage values of the adolescents decreased. Conclusion: There is a negative association between aerobic fitness (evaluated by measuring maximum oxygen uptake in the 20-meter Shuttle Run test) and the body fat percentage, BMI and waist circumference of adolescents and a negative association between aerobic fitness (assessed by measuring the number of laps in the 20-meter Shuttle Run test) and body fat percentage. However, caution is required in the interpretation of data due to the heterogeneity of the studies analyzed. Level of Evidence II; Systematic review of studies with level II of evidence.

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“…7 Muscular strength plays a vital role in preventing chronic, degenerative diseases 8 and is inversely associated with metabolic risks in adolescents. 9,10 Studies of muscular strength in adolescents observed higher absolute muscular strength values in obese adolescents than in non-obese adolescents, [11][12][13] regardless of sex. These findings can likely be attributed to neuromuscular adaptation induced by excess body weight, 13 which mainly overloads the lower limbs.…”

Section: Introductionmentioning

confidence: 99%

Localized Fat-Free Mass Does Not Influence Muscle Strength in Obese and Non-Obese Boys

Junior

Lopes

Silva

et al. 2018

Rev Bras Med Esporte

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Introduction: Obesity in adolescents has increased worldwide, and is generally associated with poor eating habits and physical inactivity. Objective: To compare absolute and relative muscle strength with body mass (BM), fat-free mass (FFM) and localized FFM of upper and lower limbs among obese and non-obese adolescents. Methods: BM, height and body mass index (BMI) were verified in 39 male adolescents (aged 13-17 years). Body composition was measured by dual-energy X-ray absorptiometry (DXA) and maximal strength of upper and lower limbs was estimated by a one-repetition maximum (1RM) test. Participants were divided into three groups: eutrophic (normal weight) (n=11), overweight (n=14), and obese (n=14). One-way ANOVA was used to compare the variables, followed by a Bonferroni post-hoc test for multiple comparisons. Pearson's correlation coefficient was used for relevant correlations and multiple linear regression to verify the influence of anthropometric variables, body composition and muscle strength of upper and lower limbs. Results: Obese and overweight adolescents had absolute muscle strength values similar to those of the eutrophic adolescents, which were lower when corrected by BM (p<0.001). However, muscle strength related to FFM and localized FFM were similar between groups in both upper and lower limbs. Linear regression showed that BMI explained 59% of the variation in absolute muscle strength of the lower limbs (β=0.59, p<0.05), FFM explained 84% of the variation in absolute muscle strength of the upper limbs (β=0.84, p<0.01) and 68% of the lower limbs (β=0.68; p<0.01), while localized FM was inversely associated in the lower limbs (β=−0.53, p<0.05). Conclusion: Muscle strength of lower and upper limbs, when corrected by localized FFM, does not distinguish between overweight and normal weight adolescents, indicating that obesity does not have a negative effect on generation of muscle strength in obese boys. Level of Evidence III; Case-control study.

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Aptidão cardiorrespiratória, perfil lipídico e metabólico em adolescentes obesos e não-obesos

Cited by 6 publications

References 25 publications

Relationship between lipid and hematological profiles with adiposity in obese adolescents

Relationship between lipid and hematological profiles with adiposity in obese adolescents

Oxygen Uptake and Indicators of Obesity: Meta-Analysis Including 17,604 Adolescents

Localized Fat-Free Mass Does Not Influence Muscle Strength in Obese and Non-Obese Boys

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