Isoform Composition and Gene Expression of Thick and Thin Filament Proteins in Striated Muscles of Mice after 30-Day Space Flight

Table 2

Weight ratio of gastrocnemius, tibialis anterior muscles, and heart to body in control and flight mice.

Group	Animal weight, g	Myocardium weight, mg	Weight of m. gastrocnemius med., mg	Weight of m. tibialis anterior, mg	Ratio of myocardium weight to animal body weight, mg/g	Ratio of weight of m. gastrocnemius to animal body weight, mg/g	Ratio of weight of m. tibialis to animal body weight, mg/g
Control,; = 5	27.8 ± 1.0	167.4 ± 23.8	85.5 ± 5.7	40.6 ± 5.1	6.03 ± 0.84	3.08 ± 0.24	1.46 ± 0.19
Flight, = 5	29.3 ± 2.2	179.1 ± 7.5	76.8 ± 7.8	35.7 ± 5.1	6.13 ± 0.28	2.62 ± 0.25	1.22 ± 0.15

. Psoas muscle was not weighed in these experiments because of methodical difficulties of isolation of the whole muscle.