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Table 1 Description of the studies of the effects of RT included in the analysis

From: The Benefits of Resistance Training in Obese Adolescents: A Systematic Review and Meta-analysis

Study

Sample

Program duration

Age (y)

RT

Outcomes

Schranz et al. [21]

30 (RT)

26 (C)

144 sessions (48 wks)

14.9 ± 1.4

15.1 ± 1.6

10 exercises

3 × 10RM

↑MS

↓BMI

↔BF

↑LM

Kim et al. [22]

13 (RT)

07 (C)

32 sessions (16 wks)

14.7 ± 0.4

15.0 ± 0.6

10 exercises

50–60%1RM

1–2 sets × 12

↓BF

↓BMI

↓WC

↑CRF

Lubans et al. [23]

15 (RT)

16 (C)

16 sessions (8 wks)

14.9 ± 0.6

14.5 ± 0.6

10 exercises

Wks 1–4

2 × 8–12

Wks 5–8

8–10

↓BF

↓BMI

↔WC

↑LM

↑MS

Alberga et al. [24]

78 (RT)

76 (C)

88 sessions (22 wks)

15.9 ± 1.5

15.6 ± 1.3

07 exercises

3 × 6–15RM

↑MS

↔CRF

Shaibi et al. [30]

11 (RT)

11 (C)

32 sessions (16 wks)

15.1 ± 0.5

15.6 ± 0.5

10 exercises

Wks 1–4

62–71% 1RM

1 × 10–15

Wks 5–10

74–88%1RM

2 × 3–15

Wks 11–16

92–97%1RM

3 × 8–12

↑LM

↓BF

↔BMI

↑MS

↑IS

Naylor et al. [33]

13 (RT)

10 (C)

24 sessions (8 wks)

12.2 ± 0.4

13.6 ± 0.7

10 exercises

75–90%1RM

↔BMI

↑LM

↔BF

Kelly et al. [34]

13 (RT)

13 (C)

32 sessions (16 wks)

15.4 ± 0.9

15.6 ± 0.96

Wks 1–4

1 × 10–15

Light intensity

Wks 5–10

2–3 × 13–15

moderate intensity

Wks 11–16

3–4 × 8–12

high intensity

↔BF

↔WC

↔LM

↔BMI

↔IS

Benson et al. [39]

33 (RT)

33 (C)

16 sessions (8 wks)

12.3 ± 1.3

12.2 ± 1.3

11 exercises

2 × 8RM

↓WC

↓BF

↓BMI

↑MS

Dorgo et al. [40]

63 (RT)

129 (C)

54 sessions (18 wks)

16.0 ± 1.2

15.8 ± 1.1

2–4 × 8–14

↑MS

↔BMI

Davis et al. [41]

09 (RT)

07 (C)

32 sessions (16 wks)

15.7 ± 1.2

15.1 ± 1.1

62–97%1RM

1–3 sets × 8–15

↔BF

↔LM

↔BMI

↑MS

Velez et al. [42]

13 (RT)

15 (C)

36 sessions (12 wks)

16.1 ± 0.2

07 exercises

2–3 × 10–15RM

↑MS

↑LM

↔BMI

↔BF

Suh et al. [43]

10 (RT)

10 (C)

36 sessions (12 wks)

13.10 ± 0.32

13.10 ± 0.57

10 exercises

2–3 × 10–12RM

↓BF

↔IS

↑WC

↔BMI

Lee et al. [44]

16 (RT)

13 (C)

36 sessions (12 wks)

14.6 ± 1.5

14.8 ± 1.4

10 exercises

2 × 8–12RM

↓BF

↑LM

↓BMI

↑IS

↑CRF

Lee et al. [45]

16 (RT)

12 (C)

36 sessions (12 wks)

14.8 ± 1.9

15.0 ± 2.2

10 exercises

2 × 8–12RM

↑MS

↓ BF

↔BMI

Takai et al. [46]

36 (RT)

58 (C)

45 sessions (8 wks)

13.6 ± 0.6

13.8 ± 0.5

100 reps/day

Squat exercise

↔LM

↔BF

↑MS

↔BMI

Sigal et al. [47]

78 (RT)

76 (C)

88 sessions (22 wks)

15.9 ± 1.5

15.6 ± 1.3

07 exercises

3 × 8RM

↓WC

↓BF

↔BMI

Dias et al. [48]

24 (RT)

20 (C)

36 sessions (12 wks)

14.1 ± 1.0

14.7 ± 1.4

12 exercises

1–2 Wks

1 × 10–15 50%–70% 10RM

3–6 Wks

2 × 8–12 60%–80% 10RM

7–12 Wks

3 × 6–10 70%–85% 10RM

↓WC

↓BF

↔LM

↑IS

↔BMI

Horner et al. [49]

27 (RT)

24 (C)

36 sessions (12 wks)

14.6 ± 1.9

14.9 ± 1.8

10 exercises

2 × 8–12RM

↓BF

↑CRF

Yoshimoto et al. [50]

27 (RT)

20 (C)

45 sessions (8 wks)

13.8 ± 0.6

13.8 ± 0.5

100 reps/day

Squat exercise

↓BF

↑LM

↔MS

↔BMI

Goldfield et al. [51]

78 (RT)

76 (C)

16 sessions (04 wks)

15.9 ± 1.5

15.6 ± 1.3

07 exercises

3 × 8RM

↑MS

Yetgin et al. [52]

08 (RT)

08 (C)

72 sessions (24 wks)

16.6 ± 1.0

17 ± 0.7

1–8 Wks

50–60%1RM

9–16 Wks

60–70%1RM

17–24 Wks

70–75%1RM

↓ BF

↔BMI

↔LM

  1. The variables presented refer to the authors, population, duration, age, RT and outcomes
  2. BF body fat, BMI body mass index, C control, CRF cardiorespiratory fitness, IS Insulin sensitivity, LM lean mass, MS muscle strength, RM repetition maximum, RT resistance training, WC waist circumference, WKS weeks, ↑ increase, ↓ decrease, ↔ no change