Acid-base balance and subjective feelings of fatigue during physical exercise

  title={Acid-base balance and subjective feelings of fatigue during physical exercise},
  author={A. J. Poulus and H. J. Docter and H. G. Westra},
  journal={European Journal of Applied Physiology and Occupational Physiology},
Six trained male subjects performed exercise on a bicycle ergometer. The external load was increased every minute by 10 watt until exhaustion. The subjects quantified their subjective feeling of fatigue by means of a rating scale. Parameters of acid-base balance (pH, $$p_{CO_2 } $$ ) were determined in arterial blood from the a. brachialis. Correction of the acidaemia by infusion of NaHCO3 (8%) during exercise had no effect upon the subjective feeling of fatigue, and except for carbon dioxide… CONTINUE READING

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