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J Sport Health Sci. 2017 Jun;6(2):162-178. doi: 10.1016/j.jshs.2016.02.002. Epub 2016 Feb 3.

Considerations when using the activPAL monitor in field-based research with adult populations.

Author information

1
Diabetes Research Centre, Leicester General Hospital, University of Leicester, Leicester LE5 4PW, UK.
2
NIHR Leicester-Loughborough Diet, Lifestyle, and Physical Activity Biomedical Research Unit, Leicester LE5 4PW, UK.
3
School of Population Health, The University of Queensland, Brisbane, QLD 4006, Australia.
4
Baker IDI Heart and Diabetes Institute, Melbourne, VIC 3004, Australia.
5
School of Exercise and Nutrition Sciences, Deakin University, Burwood, VIC 3125, Australia.
6
Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, VIC 3800, Australia.
7
School of Sport Science, Exercise and Health, The University of Western Australia, Perth, WA 6009, Australia.
8
Central Clinical School, Monash University, Melbourne, VIC 3800, Australia.
9
School of Physiotherapy and Exercise Science, Curtin University, Perth, WA 6102, Australia.

Abstract

Research indicates that high levels of sedentary behavior (sitting or lying with low energy expenditure) are adversely associated with health. A key factor in improving our understanding of the impact of sedentary behavior (and patterns of sedentary time accumulation) on health is the use of objective measurement tools that collect date and time-stamped activity information. One such tool is the activPAL monitor. This thigh-worn device uses accelerometer-derived information about thigh position to determine the start and end of each period spent sitting/lying, standing, and stepping, as well as stepping speed, step counts, and postural transitions. The activPAL is increasingly being used within field-based research for its ability to measure sitting/lying via posture. We summarise key issues to consider when using the activPAL in physical activity and sedentary behavior field-based research with adult populations. It is intended that the findings and discussion points be informative for researchers who are currently using activPAL monitors or are intending to use them. Pre-data collection decisions, monitor preparation and distribution, data collection considerations, and manual and automated data processing possibilities are presented using examples from current literature and experiences from 2 research groups from the UK and Australia.

KEYWORDS:

Inclinometer; Measurement; Physical activity; Posture; Sedentary behavior; Sitting

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