PURPOSE: We evaluated the effects of supervised intradialytic resistance training on physical activity in daily life (PADL), muscle strength, physical capacity and quality of life (QoL) in hemodialysis patients. METHODS: Twenty-four hemodialysis patients were randomly assigned to either a 12-weeks moderateintensity resistance training or a control period. An accelerometer evaluated PADL for seven consecutive days, measuring the time spent in different activities and positions of daily routine and the number of steps taken. Muscle strength, physical capacity and QoL were evaluated. RESULTS: After 12 weeks of training, we did not find significant difference (post-pre values) in walking time (-1.2 +/- 18.3 versus -9.2 +/- 13.1 min/day); standing time (-10.2 +/- 28.6 versus 3.2 +/- 20.1 min/day); sitting time (20.8 +/- 58.9 versus -30.0 +/- 53.0 min/day); lying down time (-9.3 +/- 57.9 versus 34.6 +/- 54.0 min/day); number of steps taken (-147 (1,834) versus -454 (2,066)) and muscle strength in training and control group, respectively. There was a significant increase in the six-minute walking test distance (48.8 +/- 35.9 versus 6.9 +/- 45.9 m, p < 0.05) and some domains of QoL in the training compared to the control group. CONCLUSIONS: PADL was not modified after 12 weeks of intradialytic resistance training in hemodialysis patients. However, the exercise program was able to increase the physical capacity and some domains of QoL.

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