Accurate measurement of energy expenditure is a challenging problem that is important to epidemiologists, exercise scientists, clinicians, and behavioral researchers. All current indirect and direct methods to assess physical activity and energy expenditure have shortcomings vis-à-vis application to free-living individuals. Portable monitors that simultaneously monitor heart rate and accelerometry provide the most practical and objective method for measuring energy expenditure in free-living individuals.
The HeartWing addresses the need for improved methods of unobtrusively assessing physical activity in diverse populations. This novel physical activity monitor has the ability to collect inertial sensor and heart rate measurement data simultaneously in a single, discreet, low-profile device.
Physical activity is an important behavior that is related to a reduced risk of a large number of negative health outcomes. The HeartWing activity monitor has the potential to remove one significant barrier that restricts research on the health effects of activity: the lack of an accurate, unobtrusive, and inexpensive device for measuring physical activity in free-living individuals. It has strong potential for application in many areas, such as gait studies, pain management, and geriatric stability assessment and fall monitoring.
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