Abstract
Introduction: Mobile technologies, especially smartphone applications, have contributed a lot in the area of health and physical activity, but there is an increasing concern with the validation criteria of these tools. It is extremely important to know if the physiological parameters used are safe and reliable to promote and monitor the practice of physical activity. With technological innovation, it is possible to process the data of accelerometer to measure energy expenditure. Objective: this study searched for evidence of scientific validation in Apps that uses smartphone’s accelerometer as energy expenditure indicator. Method: The keywords, inclusion and exclusion criteria were defined. The selected articles were categorized using an adapted questionnaire. Result: In a total of 1923 articles, eight articles meted all inclusion criteria that developed and validated apps for physical activity analysis. Conclusion: The results induced the effectiveness of smartphone's accelerometer to recognize physical activity and energy expenditure. It can be used to encourage healthy and safe practices, leading to improvements in quality of life. The limited number of articles with scientifically validated Applications indicates the need for more research.
Highlights
Mobile technologies, especially smartphone applications, have contributed a lot in the area of health and physical activity, but there is an increasing concern with the validation criteria of these tools
It is extremely important to know what extent this means of promoting and monitoring the practice of physical activity (PA) is really safe when developed without the use of scientific parameters by health professionals. In view of this concern, the following questions arise: which are the Apps that have undergone scientific validation? And if reliable data are presented that can be used by users without putting their health at risk? In order to answer these questions, the objective of this study is to present Apps that have undergone scientific validation in the PA and quality of life aspect and that use the accelerometer sensor of the smartphone itself to measure the EE
The results of the present study demonstrated that the GT3X ® ActiGraph accelerometer and the Google Fit ® smartphone app compared to the gold method during a brisk walk on the ground, did not provide valid measurements of EE in individuals with chronic stroke
Summary
Especially smartphone applications, have contributed a lot in the area of health and physical activity, but there is an increasing concern with the validation criteria of these tools. It is possible to process the data of accelerometer to measure energy expenditure. Objective: this study searched for evidence of scientific validation in Apps that uses smartphone’s accelerometer as energy expenditure indicator. Result: In a total of 1923 articles, eight articles meted all inclusion criteria that developed and validated apps for physical activity analysis. Conclusion: The results induced the effectiveness of smartphone's accelerometer to recognize physical activity and energy expenditure. The limited number of articles with scientifically validated Applications indicates the need for more research. The development of mobile computing in recent years and the use of smartphones has favored solutions that use sensors and applications (Apps) for the benefit of health and well-being (Junior et al, 2011)
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