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  • Title: [Contractile properties of skeletal muscles of rats after flight on "Kosmos-1887"].
    Author: Oganov VS, Skuratova SA, Murashko LM.
    Journal: Kosm Biol Aviakosm Med; 1991; 25(2):44-7. PubMed ID: 1870316.
    Abstract:
    Contractile properties of skeletal muscles of rats were investigated using glycerinated muscle preparations that were obtained from Cosmos-1887 animals flown for 13 days (plus 2 days on the ground) and from rats that remained hypokinetic for 13 days on the ground. In the flow rats, the absolute mass of postural muscles remained unchanged while their relative mass increased; this may be attributed to their enhanced hydration which developed during the first 2 days after landing. Strength losses of the postural muscles were less significant than after previous flights. Comparison of the Cosmos-1887 and hypokinesia control data has shown that even 2-day exposure to 1 G after 13-day flight can modify drastically flight-induced changes.
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