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Accelerometry-based devices have been studied in measuring activities and predicting energy expenditure (EE) for ambulatory populations. The purpose of the study is to examine the validity of SenseWear® Armband (SenseWear), a multi-sensor activity monitor, in assessing EE in manual wheelchair (MWC) users. This paper presents the preliminary data obtained from five subjects (n=5) with spinal cord injury (SCI) performing wheelchair propulsion, arm-ergometer exercise, and deskwork. Wheelchair propulsion and arm-ergometer exercise involved three trials at different intensities. The EE estimated from the SenseWear was compared with the EE measured from a metabolic cart, used as the criterion measure. It was found that the SenseWear was relatively accurate when estimating EE for resting, but overestimated EE for wheelchair propulsion (+87.48%, +47.14%, and +124.77%), arm-ergometer exercise (+57.64%, +30.50%, and +42.94%) and deskwork (+10.12%). In future raw data and extracted features from multiple sensors of the SenseWear will be utilized to model EE for MWC users with SCI.
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