[Wave-like reaction phenomena of the human body in head-down tilt].
The biorhythmological analysis of the data obtained from 7 healthy male test subjects in the head-down position at -8 degrees revealed phenomena of sine-shaped reactions. This pattern was seen in the range (the difference between mean day-time and mean night-time values) of heart rate, amplitude (the difference between the maximum and minimum) of variations of body temperature and renal potassium excretion, and the evening-morning difference of body temperature variations.
D000222:Adaptation, Physiological; D000328:Adult; D001831:Body Temperature; D002940:Circadian Rhythm; D006339:Heart Rate; D006801:Humans; D008297:Male; D011187:Posture; D011188:Potassium / Q000652:urine; D012621:Seasons; D013997:Time Factors
D011188:Potassium
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