Table 2.

In vivo contractile parameters

	Unrestricted		Restricted		Two-way ANOVA p-value
	Naïve	VML	Naïve	VML	Main effect of injury	Main effect of activity	Interaction
	(n = 8)	(n = 12)	(n = 8)	(n = 12)
Time to Peak Twitch (s)	0.028 ± 0.002	0.023 ± 0.003 *	0.027 ± 0.004	0.023 ± 0.005 *	0.001	0.872	0.703
½ Relaxation Time (s)	0.020 ± 0.001	0.015 ± 0.003 *	0.019 ± 0.004	0.015 ± 0.003 *	< 0.0001	0.663	0.561
Twitch : Tetanus	0.26 ± 0.05	0.18 ± 0.05 *	0.26 ± 0.04	0.23 ± 0.03 *	0.001	0.111	0.105
+dP/dt (mN·m/s)	235.3 ± 31.2	189.1 ± 70.9 *	239.1 ± 58.7	184.1 ± 64.2 *	0.023	0.977	0.838
−dP/dt (mN·m/s)	−340.6 ± 62.4	−194.7 ± 78.3 *	−333.5 ± 58.2	−211.6 ± 86.4 *	< 0.0001	0.851	0.645

Data represented as mean ± SD. Significantly different from *Naïve.