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Habitual physical activity after total knee replacement.

Abstract：

BACKGROUND:Previous studies on physical activity after total knee arthroplasty (TKA) concentrated mainly on a return to sports activities. OBJECTIVE:The objectives of this study were to determine the habitual physical activity behavior of people who had undergone TKA (TKA group) 1 to 5 years after surgery and to examine to what extent they adhered to international guidelines for health-enhancing physical activity. Additional aims were to compare younger (<65 years old) and older (≥ 65 years old) people as well as men and women in the TKA group and to compare the results for the TKA group with those for a sex- and age-matched normative population (normative group). DESIGN:This investigation was a cohort study. METHODS:All people who had a primary TKA at 1 of 2 participating hospitals between 2002 and 2006 were sent the Short Questionnaire to Assess Health-Enhancing Physical Activity at least 1 year after surgery. RESULTS:The TKA group spent, on average, 1,347 minutes per week on physical activity, most of which was light-intensity activity (780 minutes per week). Participants younger than 65 years of age spent significantly more time on physical activity than participants 65 years of age or older. There was no significant difference between male and female participants. Compared with the sex- and age-matched normative group, the TKA group spent significantly less time on the total amount of physical activity per week and met the guidelines for health-enhancing physical activity less often (55% versus 64%). LIMITATIONS:A self-administered questionnaire was used to assess habitual physical activity, and presurgery data on physical activity were not available. CONCLUSIONS:Almost half of the TKA group did not meet the health-enhancing physical activity guidelines, and the TKA group was not as physically active as the normative group. People who have undergone TKA should be encouraged to be more physically active.

journal_name

Phys Ther

journal_title

Physical therapy

authors

Kersten RF,Stevens M,van Raay JJ,Bulstra SK,van den Akker-Scheek I

doi

10.2522/ptj.20110273

subject

Has Abstract

pub_date

2012-09-01 00:00:00

pages

1109-16

issue

eissn

0031-9023

issn

1538-6724

pii

ptj.20110273

journal_volume

pub_type

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Habitual physical activity after total knee replacement.