RECRUITING Not applicable ClinicalTrials.gov

Two-Week Stair-Climbing Exercise Snacks and Metabolic Health in Adults With Overweight or Obesity: A Pilot Study

Sponsor: St. Louis University • ClinicalTrials.gov ID: NCT07849439

Registry updated: 2026-09-30

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Description

This pilot study will evaluate whether brief bouts of stair climbing performed throughout the day for two weeks can improve metabolic health, cardiovascular fitness, and other health-related outcomes in adults with overweight or obesity who do not regularly exercise. Participants will complete approximately 6-8 brief stair-climbing "exercise snacks" per day for 14 days, with each bout consisting of approximately 60 total stair steps performed at a challenging but safe self-selected pace. Participants will complete baseline and post-intervention assessments at Saint Louis University. These assessments will include continuous glucose monitoring and standardized meal testing to evaluate glucose responses, as well as measures of aerobic fitness, anaerobic power, body composition, waist circumference, and muscular strength. The study will also evaluate adherence, perceived exercise intensity, and the feasibility of incorporating brief stair-climbing bouts into daily life.

Interventions

Stair-Climbing Exercise Snacks (Behavioral)
Participants will perform brief stair-climbing exercise snacks 6-8 times per day for 14 days. Each bout will consist of approximately 60 total stair steps completed at a self-selected challenging but safe pace. When possible, participants will complete approximately 60 upward steps. If 60 continuous upward steps are not available, participants may use one or more flights repeatedly by ascending and descending carefully until approximately 60 total steps are completed. The intervention will be completed independently in participants' usual daily environments, such as home, work, or campus. Participants will be instructed to use the handrail when needed, descend slowly and carefully, and not run down the stairs.

Eligibility criteria

Inclusion Criteria: * Age 18-35 years and able to provide informed consent. * Body mass index (BMI) 25.0-34.99 kg/m² and otherwise healthy, without chronic disease. * Sedentary or low-active lifestyle, defined as no regular structured exercise ≥3 days/week for ≥30 minutes per session during the past 3 months. * Access to a safe staircase that permits completion of approximately 60 total stair steps per exercise bout. Approximately 60 upward steps are preferred when available; one or more flights may be used repeatedly if needed. * No contraindications or increased-risk findings identified on the PAR-Q+ or health history screening. Exclusion Criteria: * Known cardiovascular, pulmonary, metabolic, renal, neurological, or musculoskeletal disease, or signs or symptoms suggesting increased risk during vigorous exercise, including diagnosed diabetes mellitus, cardiovascular disease, uncontrolled hypertension, chronic pulmonary disease, kidney disease, fainting or unexplained dizziness during exercise, chest pain with exertion, or severe shortness of breath with mild-to-moderate activity. * Current use of medications that may affect exercise tolerance, heart-rate response, balance, glucose metabolism, or safety during vigorous exercise, including insulin or other glucose-lowering medications, beta-blockers, anti-arrhythmic medications, systemic corticosteroids, or medications that may cause dizziness, impaired balance, or altered exercise response. * Orthopedic or joint conditions that could be aggravated by repeated stair climbing. * Allergy, intolerance, dietary restriction, or other condition preventing safe consumption of the standardized meal replacement shake. * Pregnancy or plans to become pregnant during the study period. * Any other medical or psychological condition that, in the investigator's judgment, could make adherence difficult or place the participant at risk. * Individuals currently enrolled in a course taught by the PI or other study personnel, or who are directly supervised, graded, or formally evaluated by a member of the study team.

Conditions

Overweight , Obesity

Locations

Saint Louis University — St Louis, Missouri, United States

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Official Source

Data sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

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