[Physical work capacity under different levels of measured stress in relation to type-A personality in intellectual...

The physical work capacity of 122 designers is defined in order to characterize the effect of work activity in the individual standard types /types A and B/ at physical dosage loading. The following methods are used: bicycle ergometry with determination of lung ventilation, oxygen consumption, pulse frequency, etc. by means of the Jaeger ergooxyscreen. Defining the type of behavior of the individual by Rosenman's questionnaire. Determination of catecholamine excretion after the method of Euler and Lishajko. The results pointed out that the physical work capacity of designers is satisfactory and mean in rate, evaluated according to the internationally confirmed classifications. The effect of hypokinesia, age and sex differences and the importance of type A are discussed in relation to the reaction of the organism to the dosage loading, as well as some methodological problems concerning the determination of type A way of behavior.