ABSTRACT The research describes the concept of healthiness of the physical activity for patients with chronic kidney disease, moreover because the effect of 12-week physical training on physical activity in patients with chronic disease of stage 3-4 who are on a low-protein diet. At the identical time, patients with variety of chronic diseases aside from CKD also suffer from poor physical performance and muscle atrophy, but more evidence has been accumulated of the positive effect of exercise in such patients [3]. Increased physical activity is related to improved ability to perform everyday activities, professional tasks. Therefore, regular exercise is usually recommended for such patients within the DOPPS study, patients who performed regular physical activity had the next quality of life related to health, good fitness and sleep quality indicators, with fewer patients with limited physical activity and lack of appetite [4].