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. 2020 Oct 1;48(12):2976–2987. doi: 10.1007/s10439-020-02628-4

Table 1.

Extracted parameters (mean ± standard deviation) as normalized values from lower limb exercises for both PD patients and HC subjects.

Ex Biomechanical features Acronym Patients Control p value
GAIT

Gait Time

Gait Strides

Gait Frequency

Stride Time

Swing Time

Stance Time

Relative Stance

Angular Excursion

F_GT

F_GSTRD

F_GF

F_GSTRDT

F_GSWT

F_GSTT

F_GRS

F_GANG

0.155 ± 0.145

0.127 ± 0.142

0.544 ± 0.222

0.127 ± 0.142

0.329 ± 0.144

0.379 ± 0.202

0.564 ± 0.183

0.671 ± 0.191

0.928 ± 0.426

0.661 ± 0.363

0.571 ± 0.169

0.661 ± 0.363

0.311 ± 0.104

0.385 ± 0.154

0.594 ± 0.136

0.746 ± 0.125

0.002*

0.000*

0.803

0.000*

0.380

0.623

0.417

0.016*

ROTA

Rotation Time

Rotation Strides

Rotation Frequency

Stance Time

Relative Stance

F_RT

F_RSTRD

F_RF

F_RSTT

F_RRS

0.226 ± 0.548

0.207 ± 0.176

0.372 ± 0.211

0.207 ± 0.176

0.596 ± 0.150

0.787 ± 0.548

0.104 ± 0.503

0.437 ± 0.248

0.104 ± 0.503

0.552 ± 0.142

0.000*

0.000*

0.220

0.000*

0.127

HTTP

Heel Frequency

Taps

Heel angle

Heel Frequency CV

Heel angle CV

Energy Expenditure

F_HTTP_fH

F_HTTP_taps

F_HTTP_H-angle

F_HTTP_CV-fH

F_HTTP_CV-Hangle

F_HTTP_IAV

0.521 ± 0.220

0.514 ± 0.221

0.233 ± 0.199

0.539 ± 0.248

0.660 ± 0.260

0.552 ± 0.198

0.691 ± 0.140

0.685 ± 0.143

0.345 ± 0.215

0.507 ± 0.202

0.651 ± 0.235

0.706 ± 0.105

0.000*

0.000*

0.007*

0.466

0.985

0.000*

TTHP

Toe Frequency

Taps

Toe angle

Toe Frequency CV

Toe angle CV

Energy Expenditure

F_TTHP_fT

F_TTHP_taps

F_TTHP_T-angle

F_TTHP_CV-fT

F_TTHP_CV-Tangle

F_TTHP_IAV

0.490 ± 0.212

0.532 ± 0.201

0.634 ± 0.226

0.496 ± 0.259

0.634 ± 0.226

0.670 ± 0.244

0.530 ± 0.194

0.581 ± 0.178

0.420 ± 0.253

0.425 ± 0.259

0.528 ± 0.283

0.820 ± 0.580

0.128

0.118

0.021*

0.215

0.063

0.020*

HETO

Toe Frequency

Heel Frequency

Heel-Toe Frequency

Taps

Toe Angle

Heel Angle

Heel-Toe Frequency CV

Toe Angle CV

Heel Angle CV

Energy Expenditure

F_HETO_fTT

F_HETO_fHH

F_HETO_fHT

F_HETO_taps

F_HETO_ToeAng

F_HETO_HeelAg

F_HETO_fHT_Cv

F_HETO_ToeAngC

F_HETO_HeelAng_CV

F_HETO_IAV

0.308 ± 0.117

0.312 ± 0.117

0.315 ± 0.121

0.298 ± 0.121

0.286 ± 0.160

0.285 ± 0.151

0.330 ± 0.126

0.286 ± 0.160

0.285 ± 0.151

0.762 ± 0.182

0.420 ± 0.155

0.425 ± 0.154

0.426 ± 0.146

0.416 ± 0.156

0.432 ± 0.173

0.422 ± 0.169

0.370 ± 0.154

0.432 ± 0.173

0.422 ± 0.169

0.855 ± 0.076

0.000*

0.000*

0.000*

0.000*

0.000*

0.000*

0.152

0.000*

0.000*

0.007*

HEHE

Signal Average Power

Fundamental Frequency

Peak in PSD

Energy Expenditure

F_HEHE_AVGPWR

F_HEHE_FREQ

F_HEHE_PEAK

F_HEHE_IAV

0.202 ± 0.229

0.282 ± 0.140

0.121 ± 0.139

0.221 ± 0.167

0.525 ± 0.202

0.330 ± 0.115

0.339 ± 0.196

0.441 ± 0.167

0.000*

0.028*

0.000*

0.000*

Also, p values from the Mann–Whitney test are reported

*Statistical significance at 95% confidence level (p < 0.05)