3.1.2. Objective and Subjective Assessment of PA
The PA of the patients expressed in the number of hours and covering the period of 7 days did not change significantly in any of the groups. There were also no significant differences between the study groups. The PA of the patients expressed in the number of steps, covering the period of 7 days, did not differ between the groups before beginning rehabilitation. After rehabilitation and after 4 weeks from its end, significantly higher PA levels were found among experimental group patients compared to controls (Vigorous PA of patients assessed with the IPAQ questionnaire, covering a period of 7 days, did not differ between the groups at baseline. After rehabilitation and after 4 weeks following the completion of rehabilitation, only patients from the experimental group presented significantly higher vigorous PA levels in comparison to baseline values. The observed change was greater among the experimental group compared to the controls (