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Table 2 Mean and standard deviation values across healthy subjects

From: Adaptive hybrid robotic system for rehabilitation of reaching movement after a brain injury: a usability study

  RMSE [°] Power Ratio [%] Normalized RMS
TC-index
Shoulder (Ø2) Elbow (Ø5) Shoulder (Ø2) Elbow (Ø5)
Trial 1 5.9 ± 2.3 12.1 ± 3.9 6.9 ± 7.9 8.22 ± 4.7 1
Trial 4 3.5 ± 2.7 6.5 ± 4 80.7 ± 17.1 86.3 ± 14.2 0.93 ± 0.31
Trial 8 2.9 ± 3.7 5.3 ± 1.7 92.8 ± 13.9 94.5 ± 10.4 0.83 ± 0.46
Trial 12 3.2 ± 3.6 4.9 ± 3.1 95.6 ± 7.3 96.9 ± 5.3 0.70 ± 0.38
  1. RMSE root mean squared error, RMS root mean square, TC-index temporal coordination index