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Table 2 Stiffness and FAAM-G results when categorized by manual instability testing; values are given as [N/mm]

From: Differences between mechanically stable and unstable chronic ankle instability subgroups when examined by arthrometer and FAAM-G

Classification

No.

Stiffness 40–60 N

Stiffness 125–175 N

FAAM-G ADL

FAAM-G Sports

(N/mm)

(N/mm)

FAI subjects

15

7.1 ± 1.8

9.4 ± 1.4

96.9 ± 5.6

88.2 ± 13.8

[3.0–10.1]

[7.2–12.7]

[80–100]

[63–100]

MAI subjects

11

5.0 ± 1.8

8.5 ± 1.2

94.1 ± 7.1

83.8 ± 13.1

[3.2–9.4]

[6.9–10.5]

[80–100]

[59–100]

MAI patients

15

3.9 ± 1.2

8.9 ± 2.8

88.1 ± 9.7

64.4 ± 22.7

[1.9–5.9]

[4.7–13.7]

[71–100]

[16–100]

  1. Means ± standard deviations [ranges] are presented.
  2. Post hoc analyzed power for the number of subjects within the groups = 1-ß = 0.998with α = 0.05.