Numbers

Proportions (%)

Quetelet’s BMI

Less than 30 kg/m2

62

60.8

Greater than 30 kg/m2

40

39.2

Morpho-physicals characteristics

Column curvatures

Normal in cervical

45

44.1

Normal in lumbar

38

37.3

Normal muscular strength

Iliopsoas

66

64.7

Gluteus maximus

60

58.8

Lower back muscles

58

56.9

Abdominal wall muscles

53

52.0

Normal muscle flexibility

Hamstrings muscles

55

54.0

Tensorfacialata

51

50.0

Iliopsoas

33

32.4

Sport regular practice

12

11.8

Psycho-social characteristics

Good socio-professional relationship with:

Colleagues

91

89.2

Neighbors/Co-habitants

83

81.4

Hierachical superiors

70

68.6

Perceived-work stress

71

69.6

Overflow to work

66

64.7

Experience of family difficulties

41

40.2