Characteristics of the studies included in the meta-analysis
| Study | Participants (n)/BMI (kg/m2 or percentile) | Groups | Groups size | Modality | Intervention duration (weeks) | Frequency (days/week) | Session (minutes) | Outcomes |
|---|---|---|---|---|---|---|---|---|
| Ackel-D′Elia et al,25 2014 | 48 (16 boys, 32 girls, 15–18 years of age)/≥p95 | CE AT | 24 24 | Treadmill+free weights Treadmill | 24 | 3 | 60 | BM, BMI, BF (% and kg), LBM (% and kg), glucose, insulin, HOMA-IR, and leptin |
| Alberga et al,26 2015 Alberga et al,27 2016 Sigal et al,35 2014 | 150 (44 boys, 106 girls, 14–18 years of age)/≥p85 | CE AT | 75 75 | Treadmill, cycle ergometer or elliptical+free weights and machines Treadmill, cycle ergometer or elliptical | 22 | 2 | 20–40 | VO2max CRP, VAT, and SAT BM, BMI, BF (% and kg), LBM (kg), WC, TC, HDL, LDL, TG, glucose, insulin, SBP, DBP |
| Campos et al,28 2014 | 42 (28 boys, 14 girls, 14–18 years of age)/≥p95 | CE AT | 21 21 | Treadmill+free weights Treadmill | 48 | 3 | 60 | BM, BMI, BF (% and kg), LBM (kg), VAT, SAT, glucose, insulin, HOMA-IR, and leptin |
| Carnier et al,29 2013 | 26 (10 boys, 16 girls, 14–18 years of age)/≥p95 | CE AT | 13 13 | Treadmill+free weights and machines Treadmill | 48 | 3 | 60 | BM, BMI, BF (kg), and LBM (kg) |
| Dâmaso et al,30 2014 | 116 (57 boys, 82 girls, 14–18 years of age)/≥p95 | CE AT | 61 55 | Treadmill+free weights Treadmill | 48 | 3 | 60 | BM, BMI, BF (% and kg), LBM (% and kg), VAT, SAT, TC, HDL, LDL, TG, glucose, insulin, HOMA-IR, leptin, and adiponectin |
| de Mello et al,31 2011 | 30 (20 boys, 10 girls, 14–18 years of age)/≥p95 | CE AT | 15 15 | Treadmill+free weights Treadmill | 48 | 3 | 60 | BM, BMI, BF (% and kg), LBM (kg), VAT, SAT, WC, TC, HDL, LDL, TG, glucose, insulin, HOMA-IR, SBP, DBP, and adiponectin |
| de Piano et al,32 2012 | 30 (20 boys, 10 girls, 14–18 years of age)/≥p95 | CE AT | 15 15 | Treadmill+free weights Treadmill | 48 | 3 | 60 | BM, BMI, BF (% and kg), LBM (kg), VAT, SAT, TC, HDL, LDL, TG, glucose, insulin, HOMA-IR, leptin, and adiponectin |
| Inoue et al,18 2015 | 45 (17 boys, 28 girls, 14–18 years of age)/≥p95 | CE CE AT | 13 12 20 | Treadmill+free weights* Treadmill+free weights* Treadmill | 48 | 3 | 60 | BM, BMI, BF (% and kg), LBM (kg), VAT, TC, HDL, LDL, TG, glucose, insulin, HOMA-IR, and adiponectin |
| Lee et al,33 2010 | 36 (12–14 years of age)/≥p95 | CE AT | 20 16 | Circuit weight training Sports | 10 | 2 | 60 | BMI, WC, TC, HDL, LDL, TG, glucose, CRP, and VO2max |
| Monteiro et al,34 2015 | 32 (19 boys, 13 girls, 11–17 years of age)/sex and-age BMI-IOTF | CE AT | 14 18 | Walking and running+own body weight Walking and running | 20 | 3 | 50 | BM, BMI, BF (% and kg), LBM (kg), VAT, SAT, WC, HDL, LDL, and TG |
*Applied different periodisation.
AE, aerobic training; BF, body fat; BM, body mass; BMI, body mass index; CE, concurrent exercise; CRP, C reactive protein; DBP, diastolic blood pressure; HDL, high-density lipoprotein; HOMA-IR, homeostatic model assessment; IOTF, International Obesity Task Force; LBM, lean body mass; LDL, low-density lipoprotein; SAT, subcutaneous fat; SBP, systolic blood pressure; TC, total cholesterol; TG, triglycerides; VAT, visceral fat; VO2max, maximal oxygen consumption; WC, waist circumference.