The activPAL™ is the researcher’s preferred choice for quantifying free-living sedentary, upright and ambulatory activities, providing evidence to link physical behaviours with chronic disease risk. At PAL we developed easy to use sensors which accurately describe a person’s activities throughout the day. While walking performance and exercise tolerance are easily measured in the laboratory, this tells us little about the type and intensity of activities people do at home, work or school. Self-report diaries can tell us what people think they did whereas the activPAL provides an objective, accurate measurement of the different free living physical activities people actually did. By providing context to these activities in addition to intensity, we can quantify active (walking or cycling) travel to work versus car or other transportation, posture allocation and the pattern and intensity of these activities. Consequently, researchers worldwide are using our devices not only to measure the everyday activities of clinical and non-clinical populations, but also to obtain detailed, objective evidence on how an individual’s environment influences their free-living behaviours. The activPAL is unique in being able to quantifying time cycling, providing the opportunity to understand travel mode choices and giving the researcher previously unmeasurable, but extremely valuable, insights into free-living behaviours.
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