Table 1. .

Muscle-Activation Prelanding Interaction Results

Muscle	Group	Muscle Activation, %, Mean ± SD		F1,30 Value	P Value	Postfatigue Between-Groups Comparison
						Effect Size	95% Confidence Interval
		Prefatigue	Postfatigue
Tibialis anterior	Chronic ankle instability	40.22 ± 3.90	44.15 ± 6.53	0.01	.94	−0.27	−0.95, 0.44
	Control	42.50 ± 6.86	46.22 ± 8.35
Peroneus longus	Chronic ankle instability	48.07 ± 7.70	57.71 ± 25.43	1.35	.25	0.81a	0.09, 1.53
	Control	40.96 ± 13.72	41.29 ± 11.63
Gluteus medius	Chronic ankle instability	42.17 ± 6.53	42.02 ± 7.38	0.34	.56	−0.27	−0.97, 0.42
	Control	46.53 ± 13.81	44.70 ± 11.41
Gluteus maximus	Chronic ankle instability	40.55 ± 4.83	50.55 ± 23.98	2.84	.10	0.72b	0.00, 1.43
	Control	36.84 ± 11.93	36.77 ± 11.36

^aIndicates strong effect size.

^bIndicates moderate effect size.