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A study published online May 6, 2026, found that patients who walked more each day after inpatient surgery than their own pre-surgery average had lower rates of complications and 30-day readmission. The observational findings show an association, not proof that extra walking caused better recovery.
A study of nearly 2,000 adults recovering from inpatient surgery found that each additional 1,000 daily steps above a patient’s average before surgery was associated with a lower chance of complications and hospital readmission. Published online May 6, 2026, in the Journal of the American College of Surgeons, the research adds evidence linking postoperative walking with better recovery outcomes, but does not show that walking more caused those outcomes.
Researchers analyzed data from a large National Institutes of Health research program. Participants had undergone different types of inpatient surgery and wore step-counting devices for at least seven days before their operations and for several weeks afterward, on average. The analysis compared each person’s postoperative activity with their own average step count before surgery.
For every additional 1,000 steps per day above that presurgical average, patients had a 17% lower chance of complications and a 15% lower likelihood of being readmitted to hospital within 30 days, the report said. More postoperative walking was also associated with shorter hospital stays. The supplied report does not give further detail about the types of complications or the average reduction in length of stay.
The study was observational, so the findings establish an association rather than cause and effect. Patients who walked more may have differed in their health or recovery in ways that also affected their outcomes. The report says the results support other studies linking walking after surgery with lower complication rates, but it does not provide details about those studies.
Walking as a Recovery Measure
The findings offer a measurable link between activity after surgery and outcomes that matter to patients: complications, hospital stays and returning to hospital within 30 days. Step counts could give patients and care teams one way to monitor movement during recovery, while helping identify people who may need additional support to become more active.
However, the results do not establish a universal daily step target or show that patients should try to reach a particular number regardless of their operation or condition. Recovery depends on factors including the type of surgery, overall health and complications. The study’s comparison was with each patient’s presurgical average, not with a single goal recommended for everyone.
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Why Early Movement Is Encouraged
Hospitals commonly encourage patients to begin walking as soon as it is safe after an operation. The Seniors Guide report, which republishes information by Harvard Health writer Lynne Christensen, says early mobility can help prevent problems such as lung complications, blood clots and weakness, and may help avoid longer hospital stays.
The advice is not to increase activity without guidance. The report recommends that patients ask their surgical team when it is safe to start moving more. Its account says wearable step counters can help track activity and give health care teams information about whether a patient may need extra help. It does not say that a device is required for recovery.
“How quickly and successfully you return to normal function depends on such factors as the type of surgery, your overall health, and whether any complications occur.”
— Lynne Christensen, Harvard Health staff writer, in the Seniors Guide report
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Limits of the Step Count Findings
The study design does not establish whether increasing steps directly reduces complications or readmissions. The report does not specify which surgical procedures accounted for the results, how outcomes varied by operation or patient health, or whether a particular step level was linked to a clear benefit. It also does not provide the absolute complication and readmission rates, making it difficult to assess the size of the change in real-world terms.
The reported figures are relative reductions for each additional 1,000 daily steps above a patient’s presurgical average. They should not be read as a guaranteed benefit for an individual or as a target suitable for every patient. The available report does not describe how researchers accounted for possible differences between people able to walk more and those who could not.
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Guidance Depends on the Operation
For patients preparing for or recovering from surgery, the next step is to ask their surgeon or care team when walking is safe and how activity should increase. The report does not announce a change to clinical guidance or specify a new step-count prescription. Further details about the study’s methods and results would be needed to assess whether the association differs by operation or patient group.
Patients should follow the activity limits given by their care team rather than treating the study’s 1,000-step comparison as a personal goal. The central finding is that greater postoperative walking was linked with better outcomes in this dataset; how much to walk and when to start remain individual decisions.
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Key Questions
What did the study find about walking after surgery?
Among nearly 2,000 adults, each additional 1,000 daily steps above a patient’s pre-surgery average was associated with a 17% lower chance of complications and a 15% lower likelihood of readmission within 30 days. More steps were also linked to shorter hospital stays.
Does the study prove that extra walking prevents complications?
No. It was an observational study, which can identify associations but cannot show that increased walking caused the lower rates of complications or readmission.
Should every patient aim for 1,000 extra steps a day?
No universal target was set by the report. The comparison describes how outcomes varied with steps above each person’s own pre-surgery average; it is not a recommended daily goal for all patients.
When should patients start walking after surgery?
Patients should ask their surgical team when it is safe to begin or increase activity. The timing depends on the operation, a person’s health and how recovery is progressing.
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