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Table 2 Mean absolute error of event detection between inertial sensors and force plates

From: A new instrumented method for the evaluation of gait initiation and step climbing based on inertial sensors: a pilot application in Parkinson’s disease

 

Gait initiation

Step climbing

APA onset

A = 2

0.05 ± 0.03 (5.0%)

A = 2

0.09 ± 0.05 (6.3%)

Hell-Off

H = 0.07

0.07 ± 0.03 (5.8%)

H = 0.08

0.08 ± 0.05 (5.6%)

Toe-Off

T = 0.25

0.05 ± 0.03 (4.1%)

T = 1

0.06 ± 0.03 (4.2%)

Foot Contact

-

0.06 ± 0.08 (5.0%)

-

0.07 ± 0.04 (4.9%)

  1. Mean absolute error of event detection (mean ± SD [s]) and, in brackets, percentage error referred to the step duration (from APA onset to foot contact).
  2. Multiplicative coefficients (A, H and T) set in the threshold-based algorithm for the event detection are reported.
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Journal of NeuroEngineering and Rehabilitation

ISSN: 1743-0003

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