Classification of Physical Activity Level (PAL) is currently considered as a controversial issue inside Sport Science. The aim of study was verify the uses of an adapted questionnaire to classify PAL. The cross-serial essay was developed, taking PAL as independent variable and physical fitness as dependent. A population of 290 medical college freshmen was studied during three consecutive years by directed anamnesis and tests for aerobic and muscular fitness. Collected data were analyzed by linear modeling and Tukey's test, to compare respective averages and Poisson's distribution to effect of dependents variables, according to level of PAL and gender. As main result, highest PAL came along with best fitness scores, indicating adequacy of application of the investigated instrument.
level of physical activity; fitness; physical activity; questionnaire