Xiaomi mi fit 412/5/2023 ![]() concluded that the total number of steps per day can be more important for promoting health than step intensity. Īlthough there are no guidelines about the recommendation of the number of steps per day, Saint-Maurice et al. Furthermore, technological advances enable the quantifying of PA levels at a reduced cost due to the development of wearables and health applications, which have increased in both variety and quality. On the contrary, assessing PA using a valid device such as a pedometer is associated with a lower risk of all-cause mortality, with step count (SC) considered an effective way to achieve PA recommendations in adults since it is a simple, economical, and easy method for reaching these recommendations. However, it can be inaccurate since the answer depends on the memory of the participants. To quantify daily PA, self-reporting has been a useful method for registering it. To increase physical activity (PA) levels and improve health status, walking is one of the most recommended methods, since it can be performed by people of any age, as well as in any place. Physical inactivity is one of the major health problems in developed societies, and the fourth leading risk factor for global mortality. Conclusion: The accuracy and precision of the MB4 is reasonable and can be used to monitor the average of step count and heart rate in free-living conditions. Moreover, the MB4 showed adequate values of convergent validity with the Sense Wear monitor during the 24 h recording, at medium speeds, and climbing stairs. For the free-living conditions, the MB4 showed high values of convergent validity in relation to the Firstbeat monitor during recording in both rest and walking situations. Results: No significant differences were found in the number of steps in the laboratory protocol between devices, in both, at low and high walking speed. The MB4 was compared with a video recording in laboratory conditions, also with the Sense Wear and Firstbeat monitors in free-living conditions. Methods: 46 participants join in this study (38.65 ± 14.36 years old). ![]() Background: The aim of this study was to analyse the validity and accuracy of the low-cost Xiaomi Mi Band 4 (MB4) fitness tracker in relation to step count and heart rate in free-living conditions.
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