Table 3.

Skeletal muscle fiber function at 3 weeks post surgery.

Variable	SHAM control (n=9)		NMES (n=10)		Effect
	Non-Injured	Injured	Non-Injured	Injured
MHC I
Fmax (mN)	0.600 ± 0.098	0.363 ± 0.089	0.877 ± 0.120	0.328 ± 0.106	Leg **
Tmax (mN/mm2)	127 ± 5	106 ± 5	126 ± 5	109 ± 5	Leg ***
V max (ML/s)	1.29 ± 0.10	1.13 ± 0.09**	1.04 ± 0.10	1.20 ± 0.10**	Leg × Group***
Pmax (mN/mm2 ML/s)	0.107 ± 0.005	0.100 ± 0.005**	0.096 ± 0.005	0.100 ± 0.005	Leg × Group **
MHC IIA
Fmax (mN)	1.000 ± 0.058	0.464 ± 0.061	0.985 ± 0.056	0.478 ± 0.057	Leg ***
T max (mN/mm2)	175 ± 7	137 ± 8	169 ± 7	127 ± 7	Leg ***
Vmax (ML/s)	1.95 ± 0.09	1.74 ± 0.10	1.92 ± 0.09	1.67 ± 0.09	Leg ***
Pmax (mN/mm2 ML/s)	0.209 ± 0.007	0.194 ± 0.008	0.205 ± 0.007	0.183 ± 0.007	Leg ***
MHC IIAX
Fmax (mN)	0.799 ± 0.087	0.372 ± 0.097	0.738 ± 0.079	0.368 ± 0.082	Leg***
Tmax (mN/mm2)	160 ± 10	127 ± 12	154 ± 9	114 ± 9	Leg ***
Vmax (ML/s)	1.87 ± 0.14	1.67 ± 0.16	1.83 ± 0.13	1.50 ± 0.13	Leg **
Pmax (mN/mm2 ML/s)	0.233 ± 0.012	0.193 ± 0.014	0.230 ± 0.011	0.193 ± 0.011	Leg ***

Data are mean ± SE.

^**P<0.01;

^***P<0.001.

For Leg × Group interaction effects, symbols indicating pairwise differences between legs are placed on the value for the injured leg. n=10 in the NMES group because of inadequate tissue.