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Table 1 Comparison of ankle inversion kinematic variables (mean ± SD) in wearing high-top (HS) and low-top shoes (LS) in four surface conditions

From: The effect of high-top and low-top shoes on ankle inversion kinematics and muscle activation in landing on a tilted surface

Variables

Shoe condition

Surface condition

15°_Inv

30°_Inv

25°_Inv + 10°_PF

25°_Inv + 20°_PF

θ cont (°)

HS

11.8 ± 5.1

13.2 ± 4.6

13.7 ± 5.3

12.4 ± 5.3

LS

12.4 ± 4.3

12.4 ± 5.3

12.2 ± 4.8

11.7 ± 5.5

θ max (°)

HS

14.8 ± 6.3

28.3 ± 6.7*

23.6 ± 3.4*

23.9 ± 5.4*

LS

15.2 ± 5.3

29.3 ± 4.7*

25.0 ± 5.1*

25.7 ± 6.5*

θ t-max (ms)

HS

48.3 ± 21.4

67.2 ± 43.2

56.0 ± 33.8

62.2 ± 34.1

LS

44.6 ± 26.8

76.1 ± 29.7

45.4 ± 39.9

55.2 ± 27.5

ROM (°)

HS

2.4 ± 0.9

15.2 ± 6.1*

12.1 ± 4.4*

13.0 ± 6.1*

LS

2.7 ± 1.1

17.4 ± 5.7*

13.8 ± 5.5*

14.4 ± 3.7*

ω max (°/s)

HS

62.9 ± 32.5

208.7 ± 112.9*

189.0 ± 109.0*

194.6 ± 106.2*

LS

61.5 ± 29.3

220.2 ± 125.6*

201.6 ± 115.2*

232.5 ± 127.0*

ω t-max (ms)

HS

21.4 ± 12.5

33.7 ± 24.8

36.9 ± 22.3

34.0 ± 24.3

LS

24.3 ± 14.1

30.1 ± 20.4

32.1 ± 27.7

25.3 ± 18.4*

ω ave (°/s)

HS

49.2 ± 12.5

150.6 ± 60.2*

142.8 ± 52.4*

148.6 ± 64.5*

LS

46.6 ± 16.3

151.3 ± 76.9*

150.2 ± 69.9*

158.3 ± 77.6*

  1. θ cont, ankle inversion angle at contact; θ max, maximum ankle inversion angle; θ t-max, time to the maximum ankle inversion angle; ROM, ankle inversion range of motion; ω max, maximum ankle inversion angular velocity after foot contact; ω t-max, time to the maximum ankle inversion angular velocity; ω ave, average ankle inversion angular velocity; 15°_Inv, 15° inversion; 30°_Inv, 30° inversion; 25°_Inv + 10°_PF, combined 25° inversion and 10° plantarflexion; 25°_Inv + 20°_PF, combined 25° inversion and 20° plantarflexion.
  2. * significantly different from 15°_Inv in the same shoe condition (p < 0.05).