Scheduled for Poster Session: The Impact of Physical Activity Across Society, Lifespans, and Cultures, Wednesday, April 9, 2008, 1:45 PM - 3:15 PM, Convention Center: Exhibit Hall, Reseach Consortium Poster Sessions


Physical Activity Compendium Supplement for Persons With Disabilities

Miyoung Lee1, Weimo Zhu2, Bo Fernhall3 and Brad Hedrick3, (1)Oregon State University, Corvallis, OR, (2)University of Illinois-Urbana-Champaign, Urbana, IL, (3)University of Illinois-Urbana-Champaign, Champaign, IL

Physical Activity Compendium (PAC; Ainsworth et al., 1993, 2000) is commonly used to estimate physical activity (PA) related energy expenditure using self-report measures. PAC, however, cannot be applied to persons with disabilities (PWD) due to: (a) a lack of PAs engaged in by PWD and (b) there is a large inter- and intra-variability among PWD. A “FITME” model was recently proposed (Lee & Zhu, in review) to address these challenges and to provide a theoretical framework on how to apply the PAC to PWD. The study purpose was to evaluate the key component of the FITME model and examine its utilities using a mini-compendium supplement for persons with spinal cord injury (PSCI). Nineteen males and 12 females with complete and incomplete SCI T3-T12 (Height:161.26±22.99, Weight:60.52±15.32, & Age:18-45 yrs.) were recruited. Ten PAs were selected: reading (RD), watching TV (TV), working on a computer (CM), vacuuming (VM), mopping (MP), moving chairs (MC), pushing a wheelchair on a tile floor at one's own pace (TL), on a sidewalk with 40% faster than TL (SW), on a ramp (RP) and an arm ergometer exercise [60rpm/60W(EX)]. Those activities were classified into three categories to construct a mini-compendium supplement: Activities by Both able- and disable-bodied populations with Similar METs (ABS), the Activities by Both able- and disable-bodied populations with Different METs (ABD), and in the Activity by targeted Disability population Only (ADO). RMR was determined and 10-min oxygen consumptions epochs of 10 PAs were also measured by indirect calorimetry (COSMED, Italy). The MET values of each PA were calculated based on the collected RMR and measured PA oxygen uptake. Z-test between the PAC and observed MET was computed (>2.0 was considered as a statistical difference). ANOVA was applied to examine the MET difference among groups (á=.05). One MET of persons with SCI (MET-SCI; 3.1ml/kg/min) was lower than the PAC (3.5ml/kg/min). Using MET-SCI, calculated MET values were as follow: CM=1.3±0.2, TV=1.2±0.2, RD=1.3±0.3, TL=2.7±0.6, VM=3.3±0.5, MP=3.9±0.7, MP=4.2±0.8, SW=4.4±1.3, RP=4.4±0.9, & EX=5.8±0.9; no group difference except for SW (Male:4.8±1.1 vs. Femal:3.8±1.3 with p<.05). CM, TV, RD, VC, and MP (Z<2.0) were categorized as ABS. Only MC (Z=-2.3) was categorized as ABD. TL, SW, RP, and EX were categorized as ABO because those activities were unique activities of PSCI. To be able to measure PA related energy expenditure using the PAC, the supplement including activities engaged by targeted subpopulations must be constructed. Acknowledgement: Study supported by ACSM foundation
Keyword(s): adapted physical activity, assessment, health promotion

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