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Table 1 Characteristics of the study population

From: Isometric Strength Database for Muscle Maximal Voluntary Endurance Field Tests: Normative Data

 

Test reproducibility

Muscle norms participants

Participants

(n = 20)

Males

(n = 200)

Females

(n = 200)

p value

Mean ± SD

Mean ± SD

Mean ± SD

 

Age (years)

40.9 ± 11.6

39.4 ± 11.4

39.7 ± 11.5

NS

Weight (kg)

79.9 ± 16.8

82.9 ± 13.7

66.3 ± 14.6

***

Height (cm)

172.6 ± 7.9

178.0 ± 7.5

165.8 ± 5.9

***

BMI (kg/m2)

26.7 ± 4.3

26.2 ± 4.3

24.1 ± 5.0

NS

Baecke score (a.u)

7.1 ± 1.1

7.9 ± 2.1

7.5 ± 1.8

NS

Trunk flexor muscles endurance (s)

147.3 ± 77.8

121.7 ± 47.9

120.0 ± 67.8

NS

Back extensor muscles endurance (s)

210.0 ± 76.8

181.0 ± 66.8

183.2 ± 92.8

NS

Right quadratus lumborum muscles endurance (s)

80.5 ± 35.7

76.9 ± 34.7

76.7 ± 35.2

NS

Left quadratus lumborum muscles endurance (s)

81.9 ± 30.3

77.7 ± 33.1

77.4 ± 32.8

NS

Quadriceps muscles endurance (s)

75.3 ± 28.4

81.7 ± 29.8

76.8 ± 32.4

NS

Hamstrings muscles endurance (s)

243.2 ± 110.3

240.2 ± 76.5

224.2 ± 90.2

NS

Back muscles endurance (s)

185.7 ± 77.4

183.7 ± 58.8

186.3 ± 79.8

NS

Chest muscles endurance (s)

76.3 ± 25.5

64.3 ± 19.4

63.7 ± 28.8

NS

  1. The mean and standard deviation of all endurance muscles tests for test reproducibility correspond to overall mean of the last three assessments “A2,” “B1,” and “B2;” BMI body mass index, a.u arbitrary units, NS non-significant; ***p < 0.001; A2 second assessment of assessor A, B1 first assessment of assessor B, B2 second assessment of assessor B