. 2006 Jan 26;572(Pt 1):281–294. doi: 10.1113/jphysiol.2005.103366

Table 1.

Fibre cross-sectional areas of rat tibialis anterior muscles

		Fibre cross-sectional area (μm²)									Fibre cross-sectional area expressing a particular MHC isoform (μm²)

Condition	Leg	I	I/IIA	IIA	IIA/IID(X)	IIA/IID(X)/IIB	IID(X)	IID(X)/IIB	IIB	I/IIA/IID(X)/IIB	I	IIA	IID(X)	IIB
IRR	Control	818 ± 45	635 ± 191	975 ± 55	479 ± 228	—	1335 ± 71	255 ± 255	2593 ± 130	—	854 ± 57	976 ± 56	1334 ± 71	2591 ± 129
	Sham	1037 ± 123^a	604 ± 244	1154 ± 151	550 ± 265	231 ± 231	1507 ± 152	717 ± 340	2971 ± 221	—	1019 ± 122	1152 ± 148	1498 ± 150	2938 ± 220
IRR-	Control	996 ± 89	247 ± 168	1009 ± 85	—	—	1287 ± 114	—	2564 ± 174	—	979 ± 91	1002 ± 86	1287 ± 114	2564 ± 174
Stim	Stim	1018 ± 40^a	952 ± 227^b	988 ± 78	592 ± 222	1563 ± 129^d	930 ± 276^d	204 ± 204	966 ± 345^a,^b,^d	1113 ± 416	1104 ± 73^a	1310 ± 73^a,^b	1217 ± 277	1277 ± 347^a,^b,^d
Stim	Control	685 ± 34	218 ± 112	688 ± 31^a	—	—	963 ± 43	201 ± 201	1771 ± 74^a	—	680 ± 33	687 ± 31^a	971 ± 46	1770 ± 74^a
	Stim	893 ± 47^b	558 ± 125	919 ± 79^b,^d	584 ± 176	1262 ± 121^d	369 ± 183^a,^b,^c,^d	—	652 ± 166^a,^b,^d	578 ± 287	889 ± 47^b,^c	1064 ± 92^b,^c	974 ± 171^d	922 ± 202^a,^b,^d

Data are means ± s.e.m. expressed as muscle fibre areas.

Different from IRR-control

different from contralateral control

different from IRR-Stim

different from IRR (P < 0.05).