Table 2.

The value of passive stiffness (PS), the amount of change of PS, and the rate of change of PS.

		BI group	LI group	p value
PS (Nm/deg)	pre	0.28 ± 0.10	0.39 ± 0.20	0.13
	post	0.33 ± 0.01	0.38 ± 0.18	0.36
	48h	0.36 ± 0.13	0.40 ± 0.22	0.64
The amount of change of PS (Nm/deg)	pre and post	0.04 ± 0.10	−0.00 ± 0.12	0.36
	pre and 48h	0.08 ± 0.05	0.01 ± 0.15	0.17
	post and 48h	0.04 ± 0.13	0.01 ± 0.09	0.65
The rate of change of PS (%)	pre and post	0.21 ± 0.41	0.04 ± 0.24	0.23
	pre and 48h	0.32 ± 0.30	0.05 ± 0.39	0.03∗
	post and 48h	0.20 ± 0.44	0.02 ± 0.28	0.27

Each data showed mean ± SD. The results of t-test or Mann-Whitney U tests between LI group and BI group. ∗p < 0.05.