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Related Concept Videos

Obesity01:24

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The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in...
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Related Experiment Video

Updated: Apr 28, 2026

Visualization of Intensity Levels to Reduce the Gap Between Self-Reported and Directly Measured Physical Activity
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"Moving and losing": A pilot study incorporating physical activity to decrease obesity in the pediatric population.

Louisa Houston Vann, Fatima Cody Stanford, Martin W Durkin

    Journal of the South Carolina Medical Association (1975)
    |June 10, 2014
    PubMed
    Summary
    This summary is machine-generated.

    This pilot study explored using pedometers and fitness DVDs to reduce Body Mass Index (BMI) in overweight youth. Interventions showed mixed results, with the combined Pedometer + DVD group seeing a slight BMI decrease.

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    Area of Science:

    • Pediatric obesity interventions
    • Public health strategies for youth physical activity

    Background:

    • Overweight and obesity are significant health concerns in children and adolescents.
    • Lifestyle interventions are crucial for managing pediatric obesity.

    Purpose of the Study:

    • To pilot test the efficacy of pedometers and fitness DVDs in reducing Body Mass Index (BMI) among overweight/obese children.
    • To assess the impact of targeted physical activity interventions on pediatric BMI.

    Main Methods:

    • A pilot randomized controlled trial involving 24 children aged 4-17.
    • Participants were assigned to Control, Pedometer, DVD, or Pedometer + DVD groups.
    • Physical activity logs and Body Mass Index (BMI) were tracked over time.

    Main Results:

    • Body Mass Index (BMI) increased in the Control, Pedometer, and DVD groups.
    • The Pedometer + DVD group experienced a minor decrease in BMI (0.3%).
    • Participant adherence to activity logs and pedometer use was low at study endpoint.

    Conclusions:

    • Pedometers and fitness DVDs may not be culturally suitable for overweight African-American female youth in South Carolina.
    • Future research should prioritize participant involvement in intervention design through needs assessments.