Subject(s)
Heart Rate , Myocardial Contraction , Physical Fitness , Adaptation, Physiological , Adult , Electrocardiography , Heart Function Tests , Humans , Male , Retrospective Studies , Space Flight , Sports , Systems Analysis , USSR , VibrationSubject(s)
Heart Rate , Space Flight , Adaptation, Physiological , Electrocardiography/methods , Humans , MathematicsABSTRACT
The authors report on the study of the members of four lengthy expeditions on the orbital station "Saliut-6" in the exercise test with the bicycle ergometer at the station. The cybernetic analysis of the cardiac rhythm during its adaptation to weightlessness shows the definite changes of the controlling systems of the body. It is shown that the "cost" od adaptation to exercise is determined by the results of the cybernetic analysis of the cardiac rhythm.
Subject(s)
Cybernetics , Exercise Test/methods , Heart Rate , Space Flight , Adaptation, Physiological , Humans , Male , Prognosis , Time Factors , USSR , WeightlessnessABSTRACT
The paper discusses the relationship between the vestibular stability of man and his cardiovascular regulation that develops during the recumbent-to-upright change of the body position. It describes specific parameters typical of the intermediate processes of the cardiovascular system that are prognostically important for the evaluation of the vestibular stability. The paper gives equations of multiple regression helping to predict the level of vestibular resistance with respect to the pattern of intermediate processes of the cardiovascular system during orthostatic tests.
