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Table 3 Absolute errors between the inertial sensor and the optoelectronic system

From: Quantitative assessment of upper limb motor function in Multiple Sclerosis using an instrumented Action Research Arm Test

 

TH 0.15

TH 0.20

TH 0.25

TH 0.30

Absolute Error [s]

T0 reaching

0.083 (0.033)

0.064 (0.035)

0.050 (0.031)

0.038 (0.028)

T1 reaching

0.060 (0.032)

0.068 (0.046)

0.054 (0.031)

0.113 (0.061)

T0 transport

0.048 (0.029)

0.039 (0.026)

0.046 (0.039)

0.050 (0.045)

T1 transport

0.079 (0.076)

0.081 (0.072)

0.050 (0.048)

0.155 (0.150)

T0 return

0.089 (0.071)

0.064 (0.072)

0.029 (0.032)

0.047 (0.059)

 

All instants

0.072 (0.054)

0.063 (0.055)

0.046 (0.037)

0.080 (0.092)

  1. Values are mean (standard deviation). TH n (n = 0.15, 0.20, 0.25, 0.30) represent the 4 angular velocity thresholds used for task segmentation. T0: movement onset; T1: movement termination.