Skip to main content

Table 3 Results of the stepwise multiple regression models with symmetry index of gait quality measures (dependent variable) and modular neuromuscular parameters (independent variable)

From: Relationship between gait quality measures and modular neuromuscular control parameters in chronic post-stroke individuals

Gait Features

SI parameters [%]

Multiple regression model

F-value

p-value

\({R}^{2}\)

\(Adjusted {R}^{2}\)

Spatiotemporal characteristics

Step length

\({SI}_{SL}=-0.45{VAF}_{AS}+0.54{RF}_{AS}\)

8.26

 < 0.01

56.0%

49.2%

Step time

–

–

–

–

–

Limb kinematics

Leg extension angle

\({SI}_{LEA}=0.63{RF}_{AS}\)

9.16

 < 0.01

39.6%

35.2%

Limb length

\({SI}_{LL}=0.55{VAF}_{AS,3}\)

5.96

 < 0.05

29.9%

24.8%

Footpath area

\({SI}_{FPA}=0.60{VAF}_{AS,3}\)

7.73

 < 0.05

35.6%

31.0%

Joint kinematics (sagittal plane)

Hip flex/ex

\({SI}_{Hip,FE}=0.70{RF}_{US}\)

14.0

 < 0.01

50.0%

46.4%

Knee flex/ex

\({SI}_{Knee,FE}=0.64{VAF}_{AS,3}\)

9.91

 < 0.01

41.4%

37.3%

Ankle dorsi/plantar

–

–

–

–

–

Joint kinematics (other planes)

Hip abd/add

\({SI}_{Hip,AA}=0.48{VAF}_{US,4}+0.48{VL}_{AS}\)

6.08

 < 0.05

48.3%

40.4%

Hip int/ext ro

\({SI}_{Hip,IE}=-0.62{TA}_{US}\)

8.93

 < 0.01

38.9%

34.6%

  1. SI symmetry index, SL step length, LEA leg extension angle, LL limb length, FPA footpath area, Hip, FE hip flexion/extension, Hip,AA hip abduction/adduction, Hip,IE hip internal/external rotation, Knee,FE knee flexion/extension, VAF variability accounted for, RF rectus femoris, VL vastus lateralis, TA tibialis anterior