Effects of handrail hold and light touch on energetics, step parameters, and neuromuscular activity during walking after stroke

Table 4 Regression coefficients and VIP scores of the PLS regression analysis

	Regression coefficient	VIP score
Spatiotemporal step parameters
Stride time	−0.19	2.19*
Stride length	−0.18	1.93*
Step length asymmetry	−0.17	1.74*
Step width	−0.06	0.22
Step width variability	0.03	0.07
Muscle activation parameters
RMS 1	−0.03	0.01
RMS 2	0.18	1.99*
RMS 3	0.20	2.51*
Variance of relative phase	0.09	0.51
CAI GM_TA paretic	−0.09	0.47
CAI GM_TA nonpar	0.05	0.14
CAI TA_PL nonpar	0.05	0.18

Model was built on difference scores (HOLD - NORM). Variables with a VIP score >1.0, indicating importance for the model, are marked with an asterisk. A negative regression coefficient indicates that an increase in the parameter is associated with a decrease in energy cost and vice versa

ISSN: 1743-0003