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University of South Florida

Series

2012

Human movement patterns

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Something In The Way She Moves: Falls And Fractal Dimension, William D. Kearns, James L. Fozard Phd, M. A. Becker, C. Dion, J. Craighead, J. Jasiewicz Jan 2012

Something In The Way She Moves: Falls And Fractal Dimension, William D. Kearns, James L. Fozard Phd, M. A. Becker, C. Dion, J. Craighead, J. Jasiewicz

Rehabilitation and Mental Health Counseling Faculty Publications

Falls are very expensive events, costing the US$19 billion annually1. Standardized gait and balance tests are expensive to perform, have limited predictive capability, and cannot be performed on those who cannot stand or walk. A measure of movement path variability (tortuosity) called fractal dimension (D) derived from ultra-wideband RTLS-sensor data recorded on assisted living facility (ALF) residents has been linked to cognitive decline and may provide a means to link fall risk to cognitive decline2. Increased D provided by the residential RTLS-sensor system may provide ALF-administrators with an early warning mechanism that a resident is at a heightened risk for …


The Sensitive Residence: Predicting Health Changes Using Sensor Networks, William D. Kearns, James L. Fozard Phd Jan 2012

The Sensitive Residence: Predicting Health Changes Using Sensor Networks, William D. Kearns, James L. Fozard Phd

Rehabilitation and Mental Health Counseling Faculty Publications

The desire of people to age in place - in their own homes - must be weighed against the declines in physical and cognitive functioning that occurs in the aged. This symposium informs on technology-based measurement systems that monitor activities in everyday living environments and which provide information predictive of health changes. The goal of such research is to provide a basis for preventive or compensatory interventions supporting continued functional independence into old age.