Skip to main content

Table 5 Comparison of angular velocity parameters between elderly and very elderly women

From: An exploratory investigation of changes in gait parameters with age in elderly Japanese women

Parameters

Group 1 (elderly women)

Group 2 (very elderly women)

p value

Effect size

Hip joint

 First peak extension angular velocity (°/s)

139.6 ± 26.2

129.5 ± 22.9

NS

0.41

 First peak extension timing (%)

21.2 ± 2.9

20.3 ± 3.5

NS

0.28

 Second peak extension angular velocity (°/s)

43.1 ± 21.8

41.5 ± 17.2

NS

0.08

 Second peak extension timing (%)

93.2 ± 2.7

94.7 ± 2.1

<0.05

0.62

 Peak flexion velocity (°/s)

−232.7 ± 29.5

−226.8 ± 39.7

NS

0.17

 Peak flexion timing (%)

66.8 ± 1.6

67.8 ± 1.5

<0.05

0.64

Knee joint

 First peak extension angular velocity (°/s)

95.3 ± 27.5

87.0 ± 29.0

NS

0.29

 First peak extension timing (%)

23.9 ± 3.1

23.1 ± 3.9

NS

0.23

 Second peak extension angular velocity (°/s)

403.6 ± 50.7

379.2 ± 55.4

NS

0.46

 Second peak extension timing (%)

88.7 ± 1.1

89.0 ± 1.3

NS

0.25

 First peak flexion angular velocity (°/s)

−176.8 ± 47.7

−157.1 ± 38.6

NS

0.45

 First peak flexion timing (%)

5.9 ± 1.3

6.0 ± 1.3

NS

0.07

 Second peak flexion angular velocity (°/s)

−400.1 ± 50.7

−378.0 ± 52.9

NS

0.42

 Second peak flexion timing (%)

62.3 ± 1.1

63.2 ± 1.6

<0.05

0.65

Ankle joint

 First peak plantarflexion angular velocity (°/s)

275.2 ± 43.8

264.9 ± 44.9

NS

0.23

 First peak plantarflexion timing (%)

57.3 ± 2.1

58.5 ± 1.5

<0.05

0.65

 Second peak plantarflexion angular velocity (°/s)

81.7 ± 23.8

87.7 ± 33.8

NS

0.66

 Second peak plantarflexion timing (%)

91.8 ± 2.6

92.4 ± 2.7

NS

0.22

 First peak dorsiflexion angular velocity (°/s)

−111.1 ± 21.0

−104.4 ± 20.7

NS

0.32

 First peak dorsiflexion timing (%)

12.0 ± 1.9

11.3 ± 1.6

NS

0.40

 Second peak dorsiflexion angular velocity (°/s)

−167.3 ± 41.9

−161.2 ± 52.0

NS

0.13

 Second peak dorsiflexion timing (%)

71.3 ± 2.9

72.5 ± 2.4

NS

0.45

  1. All values are presented as mean ± standard deviation, unless otherwise stated
  2. NS not significant