Comparative Effects of Diet, Exercise, and Electrical Muscle Stimulation on Anthropometric, Biochemical, and Appetite Outcomes in Overweight and Obese Women
Sponsor study identifier
interventional
75
1 country
1
Study Start
January 1, 2026
Actual (reported)Primary Completion
March 1, 2026
Actual (reported)Study Completion
May 1, 2026
Actual (reported)This randomized controlled study evaluated the effects of diet, exercise, and electrical muscle stimulation (EMS) on body measurements, blood test results, and appetite in women with overweight or obesity. A total of 75 women aged 19-45 years with a body mass index (BMI) of 25 kg/m² or higher were randomly assigned to one of three groups: diet alone, diet plus exercise, or diet plus EMS. All participants received an individualized energy-restricted diet. Participants in the exercise group also performed at least 30 minutes of moderate-intensity walking daily, while participants in the EMS group received abdominal EMS twice per week for six weeks. Body measurements, selected biochemical parameters, and appetite-related measures, including hunger, satiety, and desire to eat, were assessed before and after the six-week intervention. The study aimed to determine whether adding exercise or EMS to an individualized energy-restricted diet provides additional benefits for body composition, metabolic health, and appetite regulation in women with overweight or obesity.
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
May 1, 2026
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Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
January 1, 2026
Actual (reported)March 1, 2026
Actual (reported)May 1, 2026
Actual (reported)August 11, 2026
Actual (reported)August 21, 2026
Actual (reported)Change in Body Weight
Body weight was measured in kilograms using a bioelectrical impedance analysis device (InBody 270) at baseline and after completion of the intervention. Change in body weight was evaluated by comparing the post-intervention measurement with the baseline measurement.
Baseline and 6 weeks
Change in Body Mass Index (BMI)
Baseline and 6 weeks
Change in Body Fat Percentage
Baseline and 6 weeks
Change in Fat Mass
Baseline and 6 weeks
Change in Fat-Free Mass
Baseline and 6 weeks
Change in Fasting Blood Glucose
Baseline and 6 weeks
Change in Glycated Hemoglobin (HbA1c)
Baseline and 6 weeks
Change in Fasting Insulin
Baseline and 6 weeks
Participants received an individualized energy-restricted diet program with an energy deficit of approximately 500 kcal/day for 6 weeks.
Participants received the individualized energy-restricted diet program and were instructed to perform at least 30 minutes of moderate-intensity walking daily throughout the 6-week intervention period.
Participants received an individualized energy-restricted diet designed to provide an energy deficit of approximately 500 kcal/day. The diet provided 55-60% of total energy from carbohydrates, 12-15% from protein, and 25-30% from fat, with a target fiber intake of 25-30 g/day. Participants attended weekly follow-up visits throughout the 6-week intervention period.
Feray ÇAĞIRAN YILMAZ
Kayapınar, Diyarbakır, Turkey (Türkiye)
75 participants (actual enrollment reported by the registry).
First Submitted
August 11, 2026
First Posted
August 21, 2026
Study Start
January 1, 2026
Participants received the individualized energy-restricted diet program in addition to localized abdominal electrical muscle stimulation (EMS). EMS was administered twice weekly on non-consecutive days for 6 weeks, for a total of 12 sessions, with each session lasting approximately 25 minutes.
Participants were instructed to perform at least 30 minutes of moderate-intensity walking daily throughout the 6-week intervention period. Walking intensity was defined as producing a slight increase in heart rate and breathing while allowing participants to maintain conversation comfortably.
Localized abdominal electrical muscle stimulation was administered twice weekly on non-consecutive days for 6 weeks, for a total of 12 sessions. Each session lasted approximately 25 minutes. Four surface electrodes were positioned symmetrically on the abdominal region. Stimulation was delivered at 85 Hz with a pulse width of approximately 300-400 μs, and intensity was increased according to individual tolerance to achieve visible and palpable muscle contractions without pain or discomfort.
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Primary Completion
March 1, 2026
Actual (reported)Study Completion
May 1, 2026
Actual (reported)Last Updated
August 21, 2026
Record last verified: 2026-08
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Source: ClinicalTrials.gov.
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