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Table 2 Resulting net metabolic cost from each time interval across sessions

From: Learning to walk with an adaptive gain proportional myoelectric controller for a robotic ankle exoskeleton

  1st Unpowered Powered Powered 2nd Unpowered Within session
  minutes 7–10 minutes 3–6 minutes 27–30 minutes 7–10 P-Value
   
Session 1 3.94 ± 0.25 3.72 ± 0.18 3.30 ± 0.15 3.86 ± 0.24 0.002
Session 2 3.75 ± 0.18 3.31 ± 0.19 3.08 ± 0.14 3.75 ± 0.20 0.024
Session 3 3.66 ± 0.18 3.14 ± 0.11 3.01 ± 0.08 3.74 ± 0.15 0.006
Across session P-Value 0.070 0.028 0.193 0.614
  1. Net metabolic rates are all expressed in units of W kg −1 (mean ± s.e.m.). P < 0.05 represents statistical significance