TL;DR
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A study of nearly 2,000 adults who had inpatient surgery found that each additional 1,000 daily steps above a patient’s presurgical average was associated with lower odds of complications and 30-day readmission. The observational findings show an association, not proof that walking caused better outcomes.
A study of nearly 2,000 adults who underwent inpatient surgery found that patients who walked more after their procedures had lower odds of complications and hospital readmission. Published online May 6, 2026, in the Journal of the American College of Surgeons, the analysis also linked increased daily steps with shorter hospital stays, though it cannot establish that walking itself caused those outcomes.
Researchers analyzed data from a large National Institutes of Health research program. Participants had undergone various types of inpatient surgery and wore step-counting devices for at least seven days before surgery and for several weeks afterward, on average. The analysis compared postoperative activity with each participant’s average daily steps before surgery.
For every additional 1,000 steps per day above that presurgical average, researchers found a 17% lower chance of complications and a 15% lower likelihood of readmission within 30 days. The report also said greater postoperative walking was associated with shorter hospital stays, but did not give a specific size for that reduction.
The study was observational, so it shows a relationship between step counts and outcomes rather than proving that more walking produced better recovery. Patients’ health before surgery, the type of procedure and complications can all affect recovery. The report advises people to ask their surgical team when it is safe to increase activity.
Step Counts Track Recovery Patterns
The findings add evidence to the view that movement after surgery is relevant to recovery. Hospitals already encourage patients to begin walking when it is medically safe, in part to help reduce risks such as lung complications, blood clots, weakness and longer stays. The study connects measured activity levels with outcomes that matter to patients and health systems: complications, returning to hospital and time spent admitted.
Step counts may also give care teams a practical signal of how active a patient is after discharge or during recovery. The report says wearable devices can help patients track progress and may help clinicians identify people who need additional support. However, the study does not establish a step target that is appropriate for every patient, nor does it show that using a tracker improves outcomes.
For readers planning surgery, the central point is that walking may be one part of recovery, but safe activity depends on individual circumstances. The findings do not justify pushing through pain or disregarding restrictions. Procedure type, overall health and complications can shape what a patient can safely do.
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Walking Already Supports Postoperative Care
Surgery places stress on the body, and the time needed to return to normal function varies. The source report identifies the type of surgery, overall health and complications as factors that influence recovery. Medical centers use several strategies to support patients, including helping them begin walking as soon as it is safe.
The new analysis draws on participants who recorded steps both before and after surgery. That comparison matters because the reported association was based on steps above each person’s own presurgical average, rather than a single daily target applied to everyone. The research adds to prior studies that have also associated more walking after surgery with lower complication rates, according to the report.
The article describing the study was published by Seniors Guide and credits Lynne Christensen of Harvard Health. The underlying study appeared online in the Journal of the American College of Surgeons. The available source summary does not identify the specific surgeries included or provide detailed results by procedure or patient group.
“The source report says medical centers encourage patients to “start walking as soon as it is safe.””
— Lynne Christensen, Harvard Health staff writer, as quoted in the Seniors Guide report
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Cause And Patient Targets Remain Unknown
Because the analysis was observational, it cannot determine whether walking more reduced complications and readmissions or whether patients who were recovering better were able to walk more. Other factors, including baseline health, surgery type and complications, may influence both activity and outcomes.
The source summary does not specify the mix of operations, participants’ detailed characteristics, the absolute complication or readmission rates, or how much shorter hospital stays were among more active patients. It also does not establish a safe or effective step goal for any individual. Whether the association differs by procedure or patient group is not clear from the reported information.
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Care Teams Guide Safe Activity
The immediate next step for patients is to ask their surgical team when and how to increase activity. Clinicians can take account of the procedure, current health and any complications when setting guidance. A wearable tracker may help record movement, but the report does not recommend a universal target.
Further research would be needed to clarify whether increasing steps directly improves outcomes, which patients may benefit most and what activity levels are safe after different operations. For now, the study offers an association that supports continued attention to early, medically appropriate movement during recovery.
fitness tracker for postoperative recovery
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Key Questions
What did the study find about walking after surgery?
In nearly 2,000 adults, each additional 1,000 daily steps above the person’s presurgical average was associated with a 17% lower chance of complications and a 15% lower likelihood of readmission within 30 days. More walking was also associated with shorter hospital stays.
Does the study prove that walking prevents complications?
No. The study was observational, which means it found an association but cannot show that walking caused the lower complication or readmission rates.
How many steps should someone take after surgery?
The report does not set a step target for patients. Ask your surgical team when it is safe to start increasing activity and what level is suitable for your procedure and health.
How long did researchers track participants?
Participants used step-counting devices for at least seven days before surgery and for several weeks afterward, on average.
Source: rss
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