Abstract:
OBJECTIVE:To develop and evaluate energy expenditure (EE) estimation models for a physical activity monitoring system (PAMS) in manual wheelchair users with spinal cord injury (SCI). DESIGN:Cross-sectional study. SETTING:University-based laboratory environment, a semistructured environment at the National Veterans Wheelchair Games, and the participants' home environments. PARTICIPANTS:Volunteer sample of manual wheelchair users with SCI (N=45). INTERVENTION:Participants were asked to perform 10 physical activities (PAs) of various intensities from a list. The PAMS consists of a gyroscope-based wheel rotation monitor (G-WRM) and an accelerometer device worn on the upper arm or on the wrist. Criterion EE using a portable metabolic cart and raw sensor data from PAMS were collected during each of these activities. MAIN OUTCOME MEASURES:Estimated EE using custom models for manual wheelchair users based on either the G-WRM and arm accelerometer (PAMS-Arm) or the G-WRM and wrist accelerometer (PAMS-Wrist). RESULTS:EE estimation performance for the PAMS-Arm (average error ± SD: -9.82%±37.03%) and PAMS-Wrist (-5.65%±32.61%) on the validation dataset indicated that both PAMS-Arm and PAMS-Wrist were able to estimate EE for a range of PAs with <10% error. Moderate to high intraclass correlation coefficients (ICCs) indicated that the EE estimated by PAMS-Arm (ICC3,1=.82, P<.05) and PAMS-Wrist (ICC3,1=.89, P<.05) are consistent with the criterion EE. CONCLUSIONS:Availability of PA monitors can assist wheelchair users to track PA levels, leading toward a healthier lifestyle. The new models we developed can estimate PA levels in manual wheelchair users with SCI in laboratory and community settings.
journal_name
Arch Phys Med Rehabiljournal_title
Archives of physical medicine and rehabilitationauthors
Hiremath SV,Intille SS,Kelleher A,Cooper RA,Ding Ddoi
10.1016/j.apmr.2016.02.016subject
Has Abstractpub_date
2016-07-01 00:00:00pages
1146-1153.e1issue
7eissn
0003-9993issn
1532-821Xpii
S0003-9993(16)00155-6journal_volume
97pub_type
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journal_title:Archives of physical medicine and rehabilitation
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doi:10.1016/j.apmr.2008.06.008
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journal_title:Archives of physical medicine and rehabilitation
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