Christopher EllisCEO Dynamic Physio Therapy

It's Your New Leg After Knee Replacement

18 Oct 2026 · 1 min

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In this brief commentary, Christopher Ellis highlights a meta-analysis titled “A High Physical Activity Level After Total Knee Arthroplasty Does Not Increase the Risk of Revision Surgery During the First 12 Years.” He explains that the study, representing the highest grade of evidence, found no increased revision risk for patients who maintain a high level of physical activity compared to those with low activity during the first twelve postoperative years. Ellis uses this evidence to advise patients not to treat their replaced knee as a fragile “bad leg” but rather to view it as a “new leg” and stay active.

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article found— this is a meta-analysis, which is the highest grade of evidence. So the title, A High Physical Activity Level After Total Knee Arthroplasty, which is replacement, Does Not Increase the Risk of Revision Surgery During the First 12 Years. And they concluded basically that. So during the first 12 post-op years of a total knee, there seems to be no increased risk for revision surgery for patients with a high physical activity Compared to those with a low physical activity. So do not baby that knee. It's— by the way, it's not your bad leg. It's just your new leg. Keep that in mind as well.