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Table 2 Grading of balance requirements

From: Dynamic stability requirements during gait and standing exergames on the wii fit® system in the elderly

   Soccer Slalom 50/50 Challenge Natural Gait Speed
Stability Index Mean 0.0 0.0 0.0 52.4
  Minimum 0.0 0.0 0.0 51.7
Destabilizing Force Mean 114.6 119.4 137.5 104.8
  Minimum 73.4 89.5 54 72
Stabilizing Force Mean 0.1 0.1 0.0 24.5
  Maximum 0.0 0.1 0.0 10.1
  1. Grading was calculated for the three exergames (Soccer, Slalom and 50/50 Challenge) as well as natural gait speed versus fast gait speed (expressed as a percentage (%)).