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. 2023 Feb 20;20(4):3714. doi: 10.3390/ijerph20043714

Table 1.

Pirani classification system [3] developed by Hui et al. 2014.

Pirani Classification System
6 Clinical Signs are Measured as 0 (Normal), 0.5 (Moderately Normal) and 1 (Severe)
MIDFOOT GRADUATION HINDFOOT GRADUATION
There are 3 clinical signs There are 3 clinical signs
(maximum 3 points) (maximum 3 points)
  • CURVED SIDE EDGE

  • BACK FOLD

  • MEDIAL FOLD

  • RIGID EQUINE

  • TALUS HEAD COVERAGE

  • EMPTY HEEL