Table 5.

Individual fractional rates (%·h⁻¹) of skeletal muscle mitochondrial protein synthesis using plasma [¹³C]KIC as precursor pool enrichment in young, middle-aged, and old human subjects

	Young	Middle- aged	Old
	0.080	0.057	0.060
	0.062	0.019	0.030
	0.081	0.058	0.059
	0.078	0.055	0.072
	0.064	0.078	0.042
	0.078	0.037	0.035
	0.086	0.049	0.066
	0.106	0.019	0.031
	0.083	0.036	0.053
	0.078	0.050	0.050
	0.093	0.070	0.035
		0.022	0.047
		0.056	0.060
			0.075
			0.057
Mean	0.081	0.046	0.051
SEM	0.004	0.005	0.004