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Table 3 Mean values of the kinematic variables during one single leg stance test (eyes closed)

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 (°) 24.7 (±15.15) 12.56 (±2.61) 12.15 (±9.05) 0.364 22.66 (±11.42) 25.19 (±20.27) −2.53 (±13.66) 0.271
Right rotation Displacementa (°) 1.07 (±5.27) −2.75 (±3.95) 3.82 (±3.66) 0.198 24.39 (±7.73) 18.55 (±15.54) −5.84 (±10.02) 0.156
Rotation Mean Displacementa (°) 13.61 R (±9.87) 9.89 R (±5.58) 3.73 (±6.43) 0.252 2.71 L (±8.84) 3.58 R (±4.37) −6.29 (±6.97) 0.304
Flexion Displacementa (°) 10.21 (±2.24) 11.56 (±4.50) −1.35 (±2.55) 0.235 6.40 (±2.39) 12.56 (±5.69) −6.16 (±3.49) 0.227
Extension Displacementb (°) 1.73 (±4.04) 0.58 (±2.90) 1.15 (±2.77) 0.185 6.38 (±2.30) 5.47 (±0.88) −0.91 (±1.47) 0.241
F/E mean Displacementb (°) 7.19 F (±1.08) 5.16 F (±2.37) 2.03 (±1.31) 0.401 1.10 F (±1.53) 2.87 F (±2.83) −1.77 (±1.88) 0.463
Right inclination Displacementa (°) 3.42 (±4.16) 1.98 (±3.79) 1.44 (±3.07) 0.311 19.29 (±8.39) 15.73 (±4.17) 3.56 (±5.67) 0.315
Left inclination Displacementa (°) 13.52 (±12.29) 10.36 (±8.02) −3.16 (±8.24) 0.106 18.23 (±20.76) 22.63 (±22.44) 4.40 (±19.48) 0.085
R/L mean inclination Displacementb (°) 5.01 L (±7.32) 7.19 L (±6.24) 2.18 (±5.28) 0.245 3.56 R (±7.05) 4.96 L (±16.31) 8.52 (±10.07) 0.144
Left rotation Velocitya (°/s) 45.57 (±20.90) 50.93 (±20.39) −5.37 (±15.81) 0.315 24.27 (±8.80) 20.91 (±1.33) 3.36 (±6.60) 0.217
Right rotation Velocitya (°/s) 34.81 (±8.16) 36.69 (±10.84) 1.88 (±7.12) 0.315 47.28 (±43.14) 30.81 (±11.75) −16.47 (±32.74) 0.279
Flexion Velocityb (°/s) 23.89 (±12.31) 40.81 (±34.54) −16.93 (±18.21) 0.189 23.50 (±3.44) 32.19 (±8.23) −8.69 (±5.04) 0.241
Extension Velocityb (°/s) 40.45 (±40.23) 44.52 (±38.84) 4.07 (±30.31) 0.401 37.33 (±15.02) 62.29 (±50.56) 24.96 (±28.90) 0.199
Right inclination Velocitya (°/s) 54.15 (±65.3) 50.44 (±52.02) 3.71 (±46.09) 0.316 49.44 (±23.75) 48.20 (±23.41) 1.24 (±21.58) 0.337
Left inclination Velocitya (°/s) 23.61 (±12.57) 29.42 (±10.58) 5.81 (±9.02) 0.176 41.79 (±16.00) 55.83 (±4.50) 14.04 (±12.16) 0.294
Resultant Velocity (°/s) Right Sideb 171.84 (±244.1) 111.04 (±42.30) 60.80 (±145.85) 0.092 60.85 (±21.84) 62.16 (±21.97) −1.31 (±19.97) 0.131
Resultant Velocity (°/s) Left Sideb 61.13 (±37.42) 66.63 (±34.11) −5.20 (±27.60) 0.285 76.66 (±39.85) 93.23 (±34.97) −16.56 (±34.96 0.341
  1. a: parametric variables.
  2. b: non-parametric variables.
  3. Bold: main values of the variables.