The Korean Journal of Sports Medicine

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Table. 4.

Table. 4.

Results of center of pressure (COP) value for posteromedial direction of Star Excursion Balance Test

Variable LAS copers Patients with CAI Controls Kruskal-Wallis H p-value Effect size Post-hoc analysis
Mediolateral COP
Standard deviation (cm) 0.17±0.05 0.22±0.06 0.18±0.05 6.292 0.043* 0.08 Copers*
Range (cm) 0.76±0.24 1.05±0.41 0.82±0.29 6.342 0.042* 0.08 Copers*
Mean velocity (cm/sec) 2.44±1.13 2.38±1.06 2.01±0.77 2.227 0.328 <0.01 -
Anteroposterior COP
Standard deviation (cm) 0.11±0.02 0.12±0.08 0.10±0.02 1.952 0.377 <0.01 -
Range (cm) 0.45±0.12 0.51±0.41 0.38±0.08 5.495 0.064 0.06 -
Mean velocity (cm/sec) 1.72±0.72 2.04±1.49 1.41±0.58 2.414 0.299 0.01 -

Values are presented as mean±standard deviation.

LAS: lateral ankle sprain, CAI: chronic ankle instability.

Effect size was calculated as eta square for Kruskal-Wallis H (η2H).

*p<0.05.

Korean J Sports Med 2022;40:110-9 https://doi.org/10.5763/kjsm.2022.40.2.110
© 2022 Korean J Sports Med