G suit filling pressures determined by seat back angle.
D000222:Adaptation, Physiological; D000337:Aerospace Medicine; D001274:Atmospheric Pressure; D001775:Blood Circulation; D004780:Environment, Controlled; D006112:Gravitation; D006801:Humans; D008962:Models, Theoretical; D011187:Posture; D011481:Protective Clothing / Q000592:standards*; D011482:Protective Devices / Q000592:standards*; D013026:Space Flight; D014481:United States