Sedentary Behavior, Cadence, and Physical Activity Outcomes after Knee Arthroplasty

PURPOSEThis study comprehensively examined sedentary behaviour and physical activity patterns in people with severe knee osteoarthritis awaiting total knee arthroplasty (TKA) and in individuals after TKA. METHODSPre-operative (n=32, mean ± SD = 69.9 ± 5.3 yr) and one-year post-operative participants...

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Bibliographic Details
Published in:Medicine and science in sports and exercise 2017-06, Vol.49 (6), p.1057-1065
Main Authors: Webber, Sandra C, Strachan, Shaelyn M, Pachu, Navjot S
Format: Article
Language:English
Subjects:
Aged
Arthroplasty, Replacement, Knee
Chronic Pain - etiology
Chronic Pain - prevention & control
Exercise - physiology
Female
Humans
Male
Middle Aged
Osteoarthritis, Knee - physiopathology
Osteoarthritis, Knee - surgery
Postoperative Period
Preoperative Period
Sedentary Lifestyle
Walking Speed - physiology
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Summary:PURPOSEThis study comprehensively examined sedentary behaviour and physical activity patterns in people with severe knee osteoarthritis awaiting total knee arthroplasty (TKA) and in individuals after TKA. METHODSPre-operative (n=32, mean ± SD = 69.9 ± 5.3 yr) and one-year post-operative participants with TKA (n=38, 67.9 ± 7.3 yr) wore ActiGraph GT3X+ activity monitors for 6.8 ± 0.6 days. Total sedentary time, time in long sedentary bouts (≥ 30 min) and physical activity outcomes (steps, time in moderate-to-vigorous physical activity [MVPA], cadence) were examined. RESULTSThere were no differences between pre- and post-operative groups for total sedentary time (9.3 ± 1.4 hours per day vs. 9.2 ± 1.4, P=0.62) and number of long sedentary bouts per day (median [interquartile range] = 3.4 [1.9] vs. 3.1 [2.0], P=0.37). Daily steps, peak 30-min cadence, and peak 1-min cadence values were greater in people after TKA compared to those awaiting surgery (5935 [3316] vs. 3724 [2338], 55.6 [31.0] vs. 35.9 [19.3] and 91.5 ± 20.6 vs. 70.0 ± 23.7 respectively, all P
ISSN:0195-9131
1530-0315
DOI:10.1249/MSS.0000000000001207