Related Experiment Video
Updated: Jun 30, 2026
05:59
Visualization of Intensity Levels to Reduce the Gap Between Self-Reported and Directly Measured Physical Activity
Published on: March 7, 2019
An occupation based physical activity intervention program: improving fitness and decreasing obesity
Summary
An occupation-based health and fitness program significantly improved police trainees' cardiovascular fitness, muscular strength, and flexibility while reducing body fat. This accessible intervention offers a model for improving health in physically inactive occupations.
Area of Science:
- Occupational Health
- Sports Science
- Public Health
Background:
- Police trainees often have demanding schedules impacting physical activity levels.
- Occupational health programs are crucial for maintaining fitness in high-stress professions.
- Existing fitness programs may not be tailored to the specific needs of law enforcement personnel.
Purpose of the Study:
- To evaluate the effectiveness of an occupation-based health and fitness program for police trainees.
- To determine if the program improves key physical fitness indicators and body composition.
Main Methods:
- A quasi-experimental design was employed with 1,504 police trainees across 25 sites in North Carolina.
- Sites were randomized into an experimental group (intervention) and a control group (usual training).
- The intervention involved a peer-taught, minimal-equipment health and fitness program.
Main Results:
- Experimental group subjects showed significant improvements in cardiovascular fitness (aerobic power).
- Significant gains were observed in muscular strength (sit-ups per minute) and flexibility compared to controls.
- The intervention group also demonstrated a significant reduction in body fat percentage.
Conclusions:
- An occupation-based health and fitness program is effective in enhancing physical fitness and reducing body fat in police trainees.
- The program's minimal equipment and peer-led structure make it a potentially scalable and cost-effective intervention.
- This model can be adapted for other occupations characterized by sedentary work or limited leisure-time physical activity.
Related Concept Videos
00:57Inclusive Fitness
Most altruistic behavior—in which one animal helps another at a cost to themselves—occurs between relatives. Scientists think these altruistic behaviors evolved because they increase the inclusive fitness of the animal providing help.
01:25Models of Health Promotion and Illness Prevention I
A model is a theoretical way to understand a concept or an idea. Models can overcome barriers to health regardless of diverse economic and cultural backgrounds. In addition, models make the task easier by providing different ways to approach complex issues. There are two major health promotion models: the health belief model and the health promotion model.
The health belief model (HBM) attempts to predict health-related behavior in specific belief patterns. According to the HBM, a person's...
The health belief model (HBM) attempts to predict health-related behavior in specific belief patterns. According to the HBM, a person's...
01:18Models of Health Promotion and Illness Prevention II
The person's health status fluctuates continually, varying from being in good health to becoming ill and returning to being healthy. To understand the concept of illness prevention, there are two models. First, the health-illness continuum model is a graphic representation of an individual's wellness. It states that a person is considered healthy in the absence of physical disease and the presence of good emotional health.
The agent-host-environment model states that disease results from...
The agent-host-environment model states that disease results from...
01:27Exercise and Muscle Performance
Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
01:24Obesity
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 adipocytes...
01:30Community Based Intervention
Community-based interventions in mental health represent a paradigm shift from institution-centered care to treatments embedded within the fabric of local communities. By prioritizing inclusion and leveraging existing societal structures, this approach fosters a supportive environment conducive to addressing mental health challenges while promoting individual dignity and agency.
Foundations of Community Mental Health Programs
Central to the success of community-based interventions is the...
Foundations of Community Mental Health Programs
Central to the success of community-based interventions is the...