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. 2021 Apr 13;9(4):457. doi: 10.3390/healthcare9040457

Table 2.

Characteristics of the included studies and outcomes extracted.

Study N Mean Age (y) Sex Population Type of Control Group Test Used for Assessing the BMD Body Parts Analyzed Body Part Extracted for Meta-Analysis as Main Outcome
Barene et al. [43] SSGs group: 37
Zumba group: 35
Passive control: 35
SSGs group: 44.1 ± 8.7
Zumba group: 45.9 ± 9.6
Passive control: 47.4 ± 9.5
Women a Health female hospital employees One active control group (Zumba)
One passive control group
DXA Total body (g/cm2)
Lumbar spine (g/cm2)
Lower limb (g/cm2)
Total body (g/cm2)
Lumbar spine (g/cm2)
Lower limb (g/cm2)
Helge et al. [44] SSGs group: 9
Resistance training: 8
Passive control: 6
SSGs group: 68.0 ± 4.0
Resistance training: 69.1 ± 3.1
Passive control: 67.4 ± 2.7
Men Healthy elderly One active control group (resistance training)
One passive control group
DXA Femoral neck (g/cm2)
Femoral shaft (g/cm2)
Proximal femur (g/cm2)
Whole body (g/cm2)
Whole body (g/cm2)
Femoral shaft (right) (g/cm2)
Helge et al. [45] SSGs group: 12
Running group: 16
Passive control: 9
All: 36.3 ± 8.2 Women Premenopausal women One active control group (running training)
One passive control group
pQCT Total distal tibia (mg/cm3)
Trabecular distal tibia (mg/cm3)
Cortical + subcortical distal tibia (mg/cm3)
Total distal tibia right (mg/cm3)
Krustrup et al. [46] SSGs group: 7
Running group: 8
Passive control: 7
SSGs group: 40 ± 3
Running group: 40 ± 2
Passive control: 38 ± 4
Women Premenopausal women One active control group (running training)
One passive control group
DXA Whole body (g/cm2)
Legs (g/cm2)
Whole body (g/cm2)
Legs (g/cm2)
Krustrup et al. [47] SSGs group: 12
Running group: 9
Passive control: 10
SSGs group: 30 ± 2
Running group: 31 ± 2
Passive control: 30 ± 2
Men Healthy One active control group (running training)
One passive control group
DXA Whole body (g/cm2) Whole body (g/cm2)
Mohr et al. [48] SSGs group: 21
Swimming moderate: 21
Swimming high: 21
Passive control: 20
SSGs group: 45 ± 14
Swimming moderate: 46 ± 9
Swimming high: 44 ± 9
Passive control: 45 ± 9
Women Premenopausal women Two active control group (swimming at moderate and high-intensity)
One passive control group
DXA Total body (g/cm2)
Leg right (g/cm2)
Pelvis (g/cm2)
Arm (g/cm2)
Head (g/cm2)
Total body (g/cm2)
Leg right (g/cm2)
Pelvis (g/cm2)
Randers et al. [49] SSGs group: 12
Passive control: 10
All: 20–43 Men Healthy One passive control group DXA Total body (g/cm2)
Leg (g/cm2)
Total body (g/cm2)
Leg (g/cm2)
Skoradal et al. [50] SSGs group: 32 (14 women)
Passive control: 23 (11 women)
All: 61 ± 9 Men and women Prediabetes One passive control group DXA Whole body (g/cm2)
Head (g/cm2)
Chest (g/cm2)
Midriff (g/cm2)
Pelvis (g/cm2)
Arms (g/cm2)
Whole body (g/cm2)
Midriff (g/cm2)
Pelvis (g/cm2)
Uth et al. [51] SSGs group: 21
Passive control: 20
SSGs group: 67.1 ± 7.1
Passive control: 66.5 ± 4.9
Men Prostate cancer One passive control group DXA Total body (g/cm2)
Leg (g/cm2)
Total body (g/cm2)
Leg (g/cm2)

N: number of participants in the study; M: men; W: women; h: hour; CG: control group; BMD: bone mineral density; a: only women were included in data analysis; DXA: dual-energy X-ray absorptiometry; SSG: small-sided games; pQCT: peripheral quantitative computed tomography.