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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.