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Table 1 Range of inversion and eversion motion (mean ± SD) for each observer on each day. The range for each observer is an average of the 3 trials for all 60 ankles.

From: Reliability of two goniometric methods of measuring active inversion and eversion range of motion at the ankle

  Sitting Prone
  Inversion Eversion Inversion Eversion
Day 1     
Observer A 32.9 ± 8.3 11.0 ± 7.2 13.6 ± 6.0 7.7 ± 4.0
Observer B 29.5 ± 8.8 12.0 ± 6.9 17.6 ± 6.5 9.0 ± 3.6
Observer C 32.1 ± 9.2 10.4 ± 8.0 13.8 ± 4.9 8.1 ± 3.2
Mean ± SD for all observers 31.5 ± 8.8 11.1 ± 7.4 15.0 ± 6.1 8.3 ± 3.6
Day 2     
Observer A 34.6 ± 7.5 8.2 ± 6.2 15.1 ± 5.1 9.0 ± 3.0
Observer B 31.2 ± 8.7 12.1 ± 7.3 17.5 ± 7.0 9.2 ± 3.8
Observer C 33.0 ± 8.7 9.5 ± 8.8 14.9 ± 4.9 8.8 ± 3.0
Mean ± SD for all observers 32.9 ± 8.4 9.9 ± 7.6 15.8 ± 5.8 9.0 ± 3.3