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Table 2 Mean values of the kinematic variables during one single leg stance test (eyes open)

From: Parameterization and reliability of single-leg balance test assessed with inertial sensors in stroke survivors: a cross-sectional study

 

Non-affected leg

Affected leg

 

Lumbar (sd)

Trunk (sd)

Difference (sd)

p value

Lumbar (sd)

Trunk (sd)

Difference (sd)

p value

Left rotation Displacementa (°)

13.74 (±12.54)

5.92 (±2.00)

7.82 (±7.33)

0.352

11.54 (±11.90)

7.52 (±7.97)

4.03 (±8.02)

0.421

Right rotation Displacementa (°)

2.72 (±4.75)

−0.79 (±3.06)

−1.94 (±3.26)

0.067

21.44 (±21.23)

13.24 (±3.81)

−8.20(±12.69)

0.276

Rotation Mean Displacementa (°)

7.70 L

46.61 R

−38.91

0.318

7.07 R

2.08 L

−4.99

0.392

(±10.12)

(±73.97)

(±43.10)

(±25.30)

(±7.26)

(±15.38)

Flexion Displacementa (°)

3.28 (±9.83)

2.06 (±6.29)

1.22 (±6.74)

0.513

2.18 (±4.31)

5.65 (±2.58)

−3.53 (±2.84)

0.441

Extension Displacementa (°)

2.63 (±2.86)

3.14 (±1.79)

5.77* (±1.95)

0.038

3.78 (±3.47)

1.85 (±2.09)

−1.94 (±2.29)

0.129

F/E mean Displacementb (°)

1.80 F (±3.58)

0.46 F (±4.51)

4.34 (±3.32)

0.462

0.49 E (±2.93)

0.06 F (±3.41)

−0.54 (±2.39)

0.295

Right inclination Displacementb (°)

4.55 (±6.75)

8.12 (±2.94)

−3.57 (±4.25)

0.378

14.93 (±6.20)

8.46 (±5.13)

6.48 (±4.65)

0.221

Left inclination Displacementa (°)

7.55 (±2.36)

−2.25 (±0.59)

−5.30* (±1.41)

0.083

3.86 (±9.60)

0.45 (±9.32)

−3.41 (±6.41)

0.349

R/L mean inclination Displacementa (°)

0.45 R (±4.22)

2.45 R (±3.59)

−2.00 (±3.20)

0.471

16.77 R (±20.27)

2.17 R (±5.78)

14.59 (±12.31)

0.319

Left rotation Velocityb (°/s)

44.17 (±26.91)

37.25 (±14.22)

6.93 (±17.34)

0.403

41.65 (±18.28)

38.22 (±25.45)

3.43 (±16.37)

0.177

Right rotation Velocityb (°/s)

44.46 (±22.68)

36.06 (±13.48)

−8.40 (±14.91)

0.377

45.81 (±17.43)

41.13 (±22.62)

−4.68 (15.02)

0.512

Flexion Velocitya (°/s)

30.85 (±15.36)

32.56 (±20.36)

−1.71 (±13.39)

0.279

30.69 (±23.91)

41.72 (±25.30)

−11.04 (±18.69)

0.451

Extension Velocitya (°/s)

31.78 (±22.38)

36.72 (±25.62)

4.94 (±18.12)

0.227

21.86 (±18.44)

34.74 (±34.19)

12.88 (±19.79)

0.286

Right inclination Velocityb (°/s)

37.75 (±19.90)

36.52 (±24.97)

1.22 (±16.85)

0.186

25.07 (±9.32)

41.06 (±22.51)

−15.99 (±12.19)

0.313

Left inclination Velocityb (°/s)

30.2 (±13.70)

27.73 (±16.14)

−2.47 (±11.25

0.036

41.68 (±51.46)

61.69 (±25.59)

21.02 (±32.82)

0.315

Resultant Velocity (°/s) Right Sidea

66.37 (±33.96)

63.13 (±30.55)

3.24 (±24.93)

0.483

60.21 (±23.76)

77.77 (±7.40)

−17.56 (±14.51)

0.229

Resultant Velocity (°/s) Left Sidea

62.28 (±28.37)

61.71 (±22.64)

0.57 (±20.03)

0.384

69.67 (±50.68)

88.76 (±23.97)

−19.09 (±18.50

0.293

  1. a:parametric variables.
  2. b:non-parametric variables.
  3. Bold: main values of the variables.