Abstract: Blood pressure and pulse rate of 37 gymnasts were measured in the precompetition and pretraining period, Excretion of urinary catecholamine of 25 gymnasts was determined in the precompetition period and during competition and training period.It was found that the diastolic blood pressure in the precompetition period was higher than that in pretraining period in male gymnasts. Excretion of noradrenaline (NA) during competition increased significantly both in male and female gymnasts. Compared with the competition period decrease of NA excretion was significant during training in the female group, however, no significant decrease was observed in the male group. Excretion of adrenaline (A) increased significantly during competition period both in the male and female group and decreased during training.Excretion of A was lower in these gymnasts whose performance was good. Excretion of NA also was lower only in the good performance group of females, but in the male group it was similar either in the good or bad performance group.

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