Abstract des Autors

Determination of the intensity and duration of physical exercise with respect to the individual condition of the organism is essential for the effective checking of physical training. One of the possible methods of establishing those quantities is making use of the dependence of intensity on the duration of exercise. In semilogarithmic scale this dependence is linear. The line constructed from the limit (maximal) intensities of exercise and the relevant times of exercise in any given individual cuts the plane of all conceivable combination of intensity - duration of physical exercise, into two semi-planes. All the actual combinations of those variables exploitable for training purposes are found in the semi-plane situated to the left of this line. With regard to the purpose of physical training it is then possible to choose the required intensity of exercise and to find the respective zone of duration of this exercise, or it is possible to choose the duration of physical exercise and to read from the graph the respective zone of intensity. This method of determining intensity and duration of physical exercise can be used for all activities of the cyclic type, e.g. running, cycling, swimming and so on. Verf.-Referat