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Storey AS, Myrah AM, Bauck RA, et al. Indoor and Outdoor Mobility following Total Knee Arthroplasty. Physiother Can. 2013;65(3):279-88doi: 10.3138/ptc.2012-36.
Storey, A. S., Myrah, A. M., Bauck, R. A., Brinkman, D. M., Friess, S. N., & Webber, S. C. (2013). Indoor and Outdoor Mobility following Total Knee Arthroplasty. Physiotherapy Canada. Physiotherapie Canada, 65(3), 279-88. https://doi.org/10.3138/ptc.2012-36
Storey, Ava S T, et al. "Indoor and Outdoor Mobility following Total Knee Arthroplasty." Physiotherapy Canada. Physiotherapie Canada vol. 65,3 (2013): 279-88. doi: https://doi.org/10.3138/ptc.2012-36
Storey AS, Myrah AM, Bauck RA, Brinkman DM, Friess SN, Webber SC. Indoor and Outdoor Mobility following Total Knee Arthroplasty. Physiother Can. 2013;65(3):279-88. doi: 10.3138/ptc.2012-36. PMID: 24403699; PMCID: PMC3740994.
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Physiother Can. 2013;65(3):279-88. doi: 10.3138/ptc.2012-36.

Indoor and Outdoor Mobility following Total Knee Arthroplasty.

Physiotherapy Canada. Physiotherapie Canada

Ava S T Storey, Ainslie M Myrah, Robyn A Bauck, Danielle M Brinkman, Shawn N Friess, Sandra C Webber

Affiliations

  1. School of Physical Therapy, College of Medicine, University of Saskatchewan, Saskatoon.
  2. Department of Physical Therapy, School of Medical Rehabilitation, Faculty of Medicine, University of Manitoba, Winnipeg.

PMID: 24403699 PMCID: PMC3740994 DOI: 10.3138/ptc.2012-36

Abstract

PURPOSE: To determine the relationship between indoor and outdoor mobility capacity in older adults with unilateral total knee arthroplasty (TKA) and, secondarily, to determine walking intensity in the same population and to compare all outcomes to a control group of older adults without knee pathology.

METHOD: In this cross-sectional study, participants (TKA=16, mean 22.9 (SD 9.7) mo post TKA; control=22) completed indoor walking tests and a 580 m outdoor course that included varying terrain (e.g., curbs, grass, sidewalk) and frequent changes in direction. Walking capacity was assessed using stopwatches, global positioning system watches and accelerometers.

RESULTS: Outdoor walking time was moderately correlated (p<0.05) with the timed up-and-go (TUG) test (r=0.65), stair-climb test (SCT) (r=0.67 ascending, r=0.79 descending), 10 m walk test (10 mWT) (r=0.73), and 6-minute walk test (6 MWT) (r=-0.75). Based on activity counts, walking intensity levels for participants in both groups were moderate (outdoor walk and 6 MWT). There was no significant difference in walking capacity between groups (TUG, SCT, 10 mWT, 6 MWT, outdoor walk).

CONCLUSIONS: Common clinical walking tests are moderately correlated with outdoor mobility. Mobility capacity of individuals post TKA was similar to controls in both indoor and outdoor environments, and participants in both groups achieved moderate physical activity levels with walking.

Keywords: aged; osteoarthritis; outcome assessment; walking

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