Related Experiment Video
Updated: Jun 28, 2026
06:28
A Chronic High-Intensity Interval Training and Diet-Induced Obesity Model to Maximize Exercise Effort and Induce Physiologic Changes in Rats
Published on: April 28, 2023
Exercise interventions in obese youth: are they effective?
Mélanie Henderson1, Denis Daneman, Janet Hux
1Department of HPME, University of Toronto, Toronto, ON, Canada. melanie.henderson@mail.mcgill.ca
Journal of Pediatric Endocrinology & Metabolism : JPEM
|October 18, 2008
Summary
Childhood obesity requires effective, low-cost strategies to boost physical activity. Physical activity counseling shows promise as an affordable alternative to traditional exercise programs for treating youth obesity.
Area of Science:
- Pediatrics
- Public Health
- Exercise Science
Background:
- Childhood obesity is a growing public health concern.
- Current exercise interventions have limited success in youth.
- Cost-effective strategies are needed to increase children's physical activity.
Purpose of the Study:
- To explore physical activity counseling as a potential intervention for childhood obesity.
- To evaluate the feasibility and effectiveness of counseling for increasing physical activity in youth.
Main Methods:
- Review of existing literature on physical activity interventions.
- Analysis of the principles and application of counseling strategies.
- Comparison of counseling with traditional exercise programs.
Main Results:
- Physical activity counseling is effective and inexpensive in adults.
- Counseling interventions may offer a viable alternative for youth obesity treatment.
Conclusions:
- Physical activity counseling presents a promising, cost-efficient approach for addressing childhood obesity.
- Further research is warranted to validate counseling interventions in pediatric populations.
Related Concept Videos
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...
01:21Drug Dosing: Obese Patients
In the United States, obesity is a prominent concern. It is linked to heightened mortality rates due to increased occurrences of conditions such as hypertension, atherosclerosis, coronary artery disease, and diabetes compared to nonobese individuals. A patient is classified as obese if their actual body weight surpasses the ideal or desirable body weight by 20%, based on Metropolitan Life Insurance Company data. Ideal body weights consider average weights and heights for males and females...
01:20Pharmacokinetics in Obese Patients: Drug Metabolism and Excretion
Drug metabolism, a critical process in the liver, involves two primary phases: Phase I reactions and Phase II conjugation. Obesity introduces significant alterations in this metabolic process, primarily due to fatty infiltration of the liver, leading to conditions such as nonalcoholic fatty liver disease (NAFLD). This condition can modify the activities of both Phase I and II enzymes, impacting how drugs are metabolized in obese patients.Phase I metabolism sees variable effects across...
01:20Exercise and Cardiovascular Response
Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
01:25Pharmacokinetics in Obese Patients: Drug Absorption and Distribution
Obesity significantly alters the pharmacokinetic processes of drug absorption and distribution, presenting unique challenges in medical treatment. The increased fat tissue and decreased lean muscle in obese individuals can significantly affect how drugs are absorbed into the body and distributed across different tissues. This alteration can lead to variances in the effectiveness and safety of medications, necessitating adjustments in dosing or drug selection for obese patients.One notable...
01:17Exercise and Cardiac Output
Regular physical activity is essential for maintaining cardiovascular health, with aerobic exercises being particularly effective. According to the American Heart Association, 150 minutes of moderate to intense aerobic exercise per week is recommended for a healthy heart. Aerobic activities may include brisk walking, running, bicycling, cross-country skiing, and swimming, ideally performed three to five times per week.
Sustained exercise increases the muscles' oxygen demand, which can be met...
Sustained exercise increases the muscles' oxygen demand, which can be met...