Trial reportArthritis care & research2020
Feasibility and Preliminary Outcomes of a Physical Therapist-Administered Physical Activity Intervention After Total Knee Replacement.
Trial report in Arthritis care & research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers, 10 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
37 citing papers in PubMed, 10 syntheses or guidelines pooled it.
- Clinical practice guideline for physical therapist management of total knee arthroplasty: revision 2026.Physical therapy · 2026Guideline
- Objectively measured physical activity following lumbar decompression surgery: systematic review and meta-analysis.Scientific reports · 2026Pooled it
- Use of commercially available wearable devices for physical rehabilitation in healthcare: a systematic review.BMJ open · 2024Pooled it
- Reporting quality of interventions using a wearable activity tracker to improve physical activity in patients with inflammatory arthritis or osteoarthritis: a systematic review.Rheumatology international · 2023Pooled it
- Interventions Including Smart Technology Compared With Face-to-face Physical Activity Interventions in Older Adults: Systematic Review and Meta-analysis.Journal of medical Internet research · 2022Pooled it
- The effectiveness of physical activity interventions using activity trackers during or after inpatient care: a systematic review and meta-analysis of randomized controlled trials.The international journal of behavioral nutrition and physical activity · 2022Pooled it
- Pooled it
- Effectiveness of eHealth Tools for Hip and Knee Arthroplasty: A Systematic Review.Frontiers in rehabilitation sciences · 2021Pooled it
- Fitbit-Based Interventions for Healthy Lifestyle Outcomes: Systematic Review and Meta-Analysis.Journal of medical Internet research · 2020Pooled it
- Effectiveness of Fitbit-Based Interventions in Improving 24-hour Movement Behaviors: A Systematic Review and Meta-Analysis.Inquiry : a journal of medical care organization, provision and financingPooled it
- Effectiveness of a Physical Therapist-Administered Physical Activity Intervention After Total Knee Replacement: A Randomized Trial.Physical therapy · 2026Trial
- Functional Capacity at Rehabilitation Discharge Predicts Physical Activity Characteristics 24 Weeks Later for People With Total Knee Arthroplasty: A Secondary Analysis of a Randomized Controlled Trial.Archives of physical medicine and rehabilitation · 2025Trial
- A Telehealth Physical Therapy Intervention to Increase Physical Activity in Adults With Knee OA: The Delaware PEAK Randomized Controlled Trial.The Journal of orthopaedic and sports physical therapy · 2025Trial
- Optimizing Total Knee Arthroplasty Rehabilitation With Telehealth Physical Activity Behavior Change Intervention: A Randomized Clinical Trial.Physical therapy · 2024Trial
- Combined Digital Interventions for Pain Reduction in Patients Undergoing Knee Replacement: A Randomized Clinical Trial.JAMA network open · 2023Trial
- Promoting physical activity via physical therapist following knee replacement: A pilot randomized controlled trial.PM & R : the journal of injury, function, and rehabilitation · 2023Trial
- Symptom experience of patients after total knee arthroplasty in China: a longitudinal qualitative study.BMJ open · 2026Article
- Weight loss and physical activity after total knee replacement: Study protocol for the Healthy Living randomized controlled trial.Osteoarthritis and cartilage open · 2026Article
- Identifying the most effective components of a physical activity intervention for adults with knee replacement: the MOST Energized! study protocol.BMC musculoskeletal disorders · 2026Article
- Article
Corrections and comments
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Authors and funding
8 authors.
Funding
Abstract
objectiveTo explore the feasibility, fidelity, safety, and preliminary outcomes of a physical therapist-administered physical activity (PA) intervention after total knee replacement (TKR).
methodsPeople who had undergone a unilateral TKR and were receiving outpatient physical therapy (PT) were randomized to a control or intervention group. Both groups received standard PT for TKR. The intervention included being provided with a Fitbit Zip, step goals, and 1 phone call a month for 6 months after discharge from PT. Feasibility was measured by rates of recruitment and retention, safety was measured by the frequency of adverse events, and fidelity was measured by adherence to the weekly steps/day goal created by the physical therapist and participant monitoring of steps/day. An Actigraph GT3X measured PA, which was quantified as steps/day and minutes/week of engaging in moderate-to-vigorous PA. Our preliminary outcome was the difference in PA 6 months after discharge from PT between the control and intervention groups.
resultsOf the 43 individuals who were enrolled, 53.4% were women, the mean ± SD age was 67.0 ± 7.0 years, and the mean ± SD body mass index was 31.5 ± 5.9 kg/m
conclusionA physical therapist-administered PA intervention is feasible and safe, demonstrates treatment fidelity, and may increase PA after TKR. Future research is needed to establish the effectiveness of the intervention.
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