For a quarter century, much of what we have preached in the diabetic foot world has boiled down to a single verb: offload. Get the weight off. Rest the foot. Cast it, boot it, protect it. Often that is exactly right — pressure is the enemy of a healing wound. But somewhere in that gospel of rest, we may have quietly told some of our highest-risk patients to sit down and stay down. A new systematic review out today in Diabetes/Metabolism Research and Reviews suggests that stillness carries its own hazard.
Led by Petra Jones and colleagues at the University of Leicester — together with our group at USC and teams in Graz and Adelaide — we asked a deceptively simple question: does being physically inactive, or simply sedentary, change the odds of developing a diabetic foot ulcer?
We searched Embase, Medline, and Scopus, waded through 4,650 records, and synthesized the 16 studies that made the cut, grading each with the Newcastle–Ottawa Scale. The signal was consistent enough to be uncomfortable: 11 of the 16 studies (69%) reported a significantly higher likelihood of ulceration among inactive patients. Our exploratory meta-analysis put the association at roughly a doubling of ulcer risk (OR 2.09, 95% CI 1.32–3.32, p = 0.002). A single lower-quality cohort hinted that sedentary behavior specifically might triple the risk — but that one arrives with a large asterisk (one prospective cohort at high risk of bias), so hold it loosely.
This reframes activity from a liability into something closer to a vital sign. In the remission model we have long argued for — measuring not just ulcer-free days, but ulcer-free, hospital-free, and activity-rich days — this is the evidence base for the “activity-rich” part. Movement is not merely tolerated between ulcers; its absence may be part of the pathology.
None of this repeals the laws of pressure. Too much unprotected weight-bearing on an insensate foot still causes ulcers, and that tension is real. The lesson is not “go run a marathon.” It is that there is almost certainly a Goldilocks zone — and that parking our patients on the couch to protect their feet may quietly cost them their hearts, their glycaemic control, and, ironically, their feet. The frontier now is dose: how much, how intensely, in what footwear, monitored how? This is exactly where wearables and remote monitoring earn their keep, turning “be more active” from a slogan into a titratable, measurable prescription.
We should be candid about the evidence. Definitions of “inactive” were all over the map, most studies captured activity by interview or questionnaire rather than by device, and overall quality ran from poor to fair. So this is a strong hypothesis-generating signal, not a closed case. The most important sentence in our conclusion is the call for real thresholds — how little movement is too little — so that we can one day write a prescription instead of a platitude.
For now, the takeaway fits on a bumper sticker, which may be the highest form of translational science: when it is safe to do so, just move.
Jones PJ, Armstrong DG, Rowlands AV, Sourij H, Noormandi A, Theodorakopoulos G. Less Is More? Physical Inactivity and Increased Risk of Diabetes-Related Foot Ulceration—A Systematic Review. Diabetes Metab Res Rev. 2026. doi:10.1002/dmrr.70198
#DiabeticFoot #Diabetes #PhysicalActivity #SedentaryBehavior #FootUlcer #Remission #ToeAndFlow #WoundCare #Podiatry #VascularSurgery #Endocrinology #JustMove
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