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Related Concept Videos

Obesity01:24

Obesity

631
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...
631
Exercise and Cardiovascular Response01:20

Exercise and Cardiovascular Response

1.1K
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...
1.1K
Exercise and Muscle Performance01:27

Exercise and Muscle Performance

1.6K
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...
1.6K
Exercise and Cardiac Output01:17

Exercise and Cardiac Output

1.3K
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...
1.3K
Energy Balance01:19

Energy Balance

563
The human body gets energy from the three macronutrients: carbohydrates, proteins, and fats. Energy is released when the chemical bonds in the organic compounds present in the food are broken down. The energy content of food is measured in kilocalories (kcal), defined as the amount of heat required to raise the temperature of one kilogram of water by one degree Celsius. This value is determined by measuring the temperature change of the water surrounding a calorimeter after the complete...
563
Metabolic States of the Body: The Postabsorptive State01:18

Metabolic States of the Body: The Postabsorptive State

593
The postabsorptive state usually starts about four hours after a meal and lasts until the next meal is eaten. During this time, the digestive system stops absorbing nutrients, and the body uses stored energy reserves to maintain stable blood glucose levels.
Initially, glycogen stored in the liver is broken down to release glucose into the bloodstream, while glycogen in the muscles is broken down to supply glucose for energy directly within the muscle cells. As glycogen stores diminish,...
593

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Related Experiment Video

Updated: Sep 19, 2025

A Chronic High-Intensity Interval Training and Diet-Induced Obesity Model to Maximize Exercise Effort and Induce Physiologic Changes in Rats
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A Chronic High-Intensity Interval Training and Diet-Induced Obesity Model to Maximize Exercise Effort and Induce Physiologic Changes in Rats

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Obesity and Exercise: New Insights and Perspectives.

Natasha Maria James1,2, Kristin I Stanford1,2

  • 1Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA.

Endocrine Reviews
|June 16, 2025
PubMed
Summary

Obesity increases the risk of metabolic diseases like type 2 diabetes. Exercise can help mitigate these risks by improving whole-body metabolism and metabolic tissue function.

Keywords:
combinatorial therapiesexercise modulationsmetabolic adaptationsmolecular mechanismsobesity

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The TreadWheel: Interval Training Protocol for Gently Induced Exercise in Drosophila melanogaster
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Area of Science:

  • Metabolic diseases
  • Obesity research
  • Exercise physiology

Background:

  • Rising global obesity rates pose significant health risks, increasing susceptibility to type 2 diabetes (T2D), metabolic dysfunction-associated steatohepatitis (MASH), and cardiovascular diseases (CVD).
  • Understanding the molecular mechanisms underlying obesity and its impact on metabolic organs like adipose tissue, liver, and muscle is critical for developing effective interventions.
  • Exercise is a proven strategy for preventing and managing obesity-related health issues, offering systemic metabolic benefits and tissue adaptations.

Purpose of the Study:

  • To review the multifaceted impact of obesity on metabolic disease development.
  • To elucidate how obesity affects metabolic function and the potential benefits of exercise interventions.
  • To examine the specific effects of obesity and exercise on muscle, adipose tissue, and liver function.

Main Methods:

  • Literature review focusing on obesity, metabolic diseases, and exercise.
  • Analysis of molecular mechanisms in key metabolic organs (adipose tissue, liver, muscle).
  • Exploration of combined therapeutic strategies including pharmacotherapeutics, bariatric surgery, and exercise.

Main Results:

  • Obesity significantly alters metabolic function, increasing the risk of T2D, MASH, and CVD.
  • Exercise demonstrates beneficial effects on whole-body metabolism and adaptations in muscle, adipose tissue, and liver.
  • Combined interventions may offer enhanced outcomes for managing obesity and associated metabolic conditions.

Conclusions:

  • Obesity is a major driver of metabolic diseases, necessitating comprehensive management strategies.
  • Exercise plays a vital role in mitigating obesity's adverse effects on metabolic health.
  • Further research into combined therapeutic approaches, including exercise, is warranted for effective obesity treatment.