Accelerometer Measured Sedentary and Physical Activity Behaviors of Working Patients after Total Knee Arthroplasty, and their Compensation Between Occupational and Leisure Time.
T H Hylkema, S Brouwer, C M Kooijman and 7 others
PMID 32946009WHAT IT FOUND
Working knee replacement patients spent 60% of their time sedentary.
Those with physical jobs moved less during leisure time to compensate for work activity. Those with desk jobs continued prolonged sitting at home. Encourage active breaks for desk workers.
Key findings
01Participants spent 60.1% of their total wearing time in sedentary behavior, with 16.5% of that time occurring in prolonged bouts of at least 30 minutes.
02Workers with physical jobs compensated for occupational light-intensity activity by performing less light-intensity activity during leisure time.
03Workers with non-physical jobs who had more prolonged sedentary bouts at work also had longer prolonged sedentary bouts during leisure time, showing no compensation.
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for OTs
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What it does not show
The sample size was small (n=51), which limited the analysis of moderate-to-vigorous physical activity due to skewed distributions. Pain and functional levels were not assessed, so it is unclear if sedentary behavior was driven by discomfort or habit. Commuting time was classified as leisure time, which may have slightly increased the recorded physical activity during leisure periods. Accelerometers were not waterproof, so swimming activity was not recorded, though only one participant reported swimming daily.
Declared interests
Funded by the University of Groningen. No other conflicts of interest are explicitly detailed in the provided text beyond the funding source.
The easy way to misread this
Do not assume that patients with physical jobs are meeting overall activity guidelines through work alone. The study found they compensate by being less active during leisure time, which may impact recovery if total daily activity remains low or sedentary time is prolonged outside of work.