Table 2. Relative myosin heavy chain isoform composition of skeletal muscles.

	%MHC-I		%MHC-IIA		%MHC-IIB		%MHC-IIX
	WT	KO	WT	KO	WT	KO	WT	KO
EDL	0	0	8.9 ±1.1	10.1 ±1.0	55.0 ±0.6	52.9 ±4.4	36.1 ±0.5	37.0 ±3.6
EPI	5.6 ±1.9	5.9 ±2.1	11.9 ±0.5	9.5 ±1.0	53.1 ±2.0	56.5 ±2.7	29.4 ±2.5	28.1 ±1.0
GAS	6.7 ±3.4	7.2 ±2.3	11.1 ±3.6	12.6 ±4.2	43.9 ±3.8	41.2 ±6.0	38.2 ±3.3	39.1 ±7.7
SOL	87.9 ±4.4	83.6 ±1.4	12.1 ±4.4	16.4 ±1.4	0	0	0	0

Values are means ±SEM (n = 3–6 rats per genotype). WT, wildtype. KO, AS160-KO. Myosin heavy chain (MHC) isoform is expressed as relative values (%) for each of the 4 skeletal muscles: extensor digitorum longus (EDL), epitrochlearis (EPI), gastrocnemius (GAS), and soleus (SOL).