Walking Speed: The Quiet Vital Sign of Health and Aging
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Walking Speed: The Quiet Vital Sign of Health and Aging
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About this listen
This episode thoroughly discusses the significance of gait speed as a crucial, often overlooked, measure of overall human health and physical function. It explains that walking speed acts as a "quiet vital sign" because it compresses the performance of multiple bodily systems, including the cardiovascular, musculoskeletal, and nervous systems, into one observable behavior. Furthermore, it highlights that gait speed is not only a clinical tool for predicting risks like hospitalization, cognitive decline, and mortality, but also a crucial factor in urban planning and safety, influencing the design of crosswalk times and public spaces. Finally, it addresses how technology, specifically wearable sensors, is advancing the continuous and accurate measurement of walking patterns, and emphasizes that gait speed is trainable, focusing on cadence to support more consistent movement habits.