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Table 2 Training program characteristics for aerobic, strength and aerobic + strength training interventions

From: Effects of ground and joint reaction force exercise on lumbar spine and femoral neck bone mineral density in postmenopausal women: a meta-analysis of randomized controlled trials

 

Aerobic

Strength

Aerobic + Strength

Variable

Groups (#)

x ¯ ±SD

Mdn

Range

Groups (#)

x ¯ ±SD

Mdn

Range

Groups (#)

x ¯ ±SD

Mdn

Range

Length (weeks)

9

52 ± 22

52

24-104

14

46 ± 21

52

24-104

10

58 ± 29

52

24-104

Frequency (days/week)

8

3 ± 1

3

3-4

14

3 ± 1

3

3-6

9

3 ± 1

3

2-7

Intensity*

4

55 ± 14

59

36-68

6

63 ± 26

73

15-85

-

-

-

-

Duration (min/sessions)

6

34 ± 12

38

10-30

-

-

-

-

-

-

-

-

Minutes (per week)

6

103 ± 37

113

60-135

-

-

-

-

-

-

-

-

Minutes (per week adjusted)

5

79 ± 33

71

48-113

-

-

-

-

-

-

-

-

Sets (#)

NA

NA

NA

NA

12

3 ± 1

3

1-5

5

2 ± 0.4

2

2-3

Repetitions (#)

NA

NA

NA

NA

9

12 ± 8

10

8-30

-

-

-

-

Rest between sets (sec.)

NA

NA

NA

NA

4

75 ± 57

90

0-120

-

-

-

-

Exercises (#)

NA

NA

NA

NA

14

8 ± 4

9

1-12

5

8 ± 3

7

4-12

Compliance (%)

7

75 ± 16

80

39-84

10

83 ± 5

85

74-90

7

76 ± 11

77

59-95

  1. Groups (#), number of groups in which data were available; x ¯ ±SD, mean ± standard deviation; Mdn, Median; *, intensity expressed as a percentage of maximum oxygen consumption for aerobic groups and percentage of one-repetition maximum for strength training groups; -, insufficient data to calculate; NA, not applicable.