Int J Environ Res Pub Health
ECO 2026: 8,500 daily steps may maintain weight loss

Clinical Takeaway: Sustained increases in daily walking may help patients hold onto weight loss long term, though specific step targets should be treated as a starting reference rather than a strict prescription.
Weight regain remains the central challenge in obesity care. Most people who initially lose weight regain some or all of it within a few years. Step counts are a common recommendation, but it has been unclear whether they actually help, when they matter most, and how many steps to aim for. This review pooled randomized trials to clarify these questions.
Patients in lifestyle modification programs increased their daily steps from about 7,280 at baseline to 8,454 by the end of the weight loss phase and held steady at 8,241 during maintenance. They lost an average of 4.39% of body weight during the weight loss phase and kept off 3.28% by the end of follow-up.
Patients in usual care or diet-only control groups did not change their step counts and did not lose significant weight at any point. Comparing groups, the lifestyle arm walked roughly 1,090 more steps per day at the end of the weight loss phase and 1,211 more at the end of maintenance.
A meta-regression linked step counts to weight maintenance, not initial weight loss. Each additional 1,000 steps per day above baseline was associated with about 1.1% to 1.3% greater weight loss maintained at follow-up. Increases in daily steps during the weight loss phase did not track with how much weight patients lost during that phase, suggesting calorie restriction drives early loss while activity matters more for keeping it off.
The review covered 18 randomized trials, 14 of which contributed to the meta-analysis, totaling 3,758 adults (mean age 53, mean BMI 31) from the UK, US, Australia, Japan, and other countries. Lifestyle modification programs combined dietary advice with behavioral strategies and step monitoring, structured around a weight loss phase (mean 7.9 months) and a weight maintenance phase (mean 10.3 months).
All step counts were measured objectively with pedometers or accelerometers rather than self-reported. The 8,500-step figure should be read as hypothesis-generating, not a validated cutoff.
"Participants should be always encouraged to increase their step count to approximately 8,500 a day during the weight loss phase and sustain this level of physical activity during the maintenance phase to help prevent them from regaining weight," concluded senior author Marwan El Ghoch, MD, PhD, Associate Professor of Food Science and Applied Dietetic Techniques at the University of Modena and Reggio Emilia.
Source: Saadeddine D. Int J Environ Res Public Health. 2026 Apr 17. Daily Steps During Nutritional Lifestyle Modification Programs for Obesity Management