About the great importance of venous blood circulation in the pathogenesis of spaceman state disturbances in weightlessness.

CVP increasing observed in OS "Mir" flights lets to consider it as one of the chief factors in stateman state disturbance. It is necessary to use prophylactic means to prevent pathological changes in long flights. The received data confirm physical training and clamping cuffs application efficiency as a blood volume decentring and CVP decreasing.