Table 2. .

Muscle-Activation Prelanding Results by Group

Muscle	Muscle Activation, %, Mean ± SD		F1,30 Value	P Value	Effect Size	95% Confidence Interval
	Chronic Ankle Instability	Control
Tibialis anterior	42.19 ± 5.48	44.36 ± 5.48	1.25	.27	−0.39	−1.09, 0.31
Peroneus longus	52.89 ± 11.36	41.12 ± 11.36	8.58	.01a	1.01b	0.27, 1.75
Gluteus medius	42.10 ± 9.37	45.62 ± 9.37	1.13	.30	−0.37	−1.06, 0.33
Gluteus maximus	45.55 ± 12.08	36.81 ± 12.08	4.19	.049a	0.71c	−0.01, 1.42

^aIndicates difference.

^bIndicates strong effect size.

^cIndicates moderate effect size.