Influence of Accelerometer Type and Placement on Physical Activity Energy Expenditure Prediction in Manual Wheelchair Users

Tom Edward Nightingale, Jean-Philippe Walhin, Dylan Thompson and James Lee John Bilzon

PLOS ONE, 2015, vol. 10, issue 5, 1-15

Abstract: Purpose: To assess the validity of two accelerometer devices, at two different anatomical locations, for the prediction of physical activity energy expenditure (PAEE) in manual wheelchair users (MWUs). Methods: Seventeen MWUs (36 ± 10 yrs, 72 ± 11 kg) completed ten activities; resting, folding clothes, propulsion on a 1% gradient (3,4,5,6 and 7 km·hr-1) and propulsion at 4km·hr-1 (with an additional 8% body mass, 2% and 3% gradient) on a motorised wheelchair treadmill. GT3X+ and GENEActiv accelerometers were worn on the right wrist (W) and upper arm (UA). Linear regression analysis was conducted between outputs from each accelerometer and criterion PAEE, measured using indirect calorimetry. Subsequent error statistics were calculated for the derived regression equations for all four device/location combinations, using a leave-one-out cross-validation analysis. Results: Accelerometer outputs at each anatomical location were significantly (p

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0126086

DOI: 10.1371/journal.pone.0126086

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