Obesity: challenges to ventilatory control during exercise--a brief review
1Institute for Exercise and Environmental Medicine, Texas Health Presbyterian Hospital Dallas and Department of Internal Medicine, Division of Pulmonary and Critical Care Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75231, United States.
Obesity poses challenges to breathing control during exercise. This review examines how obese individuals adapt their respiratory neural drive and ventilation, noting that these adaptations are often unnoticed.
Area of Science:
- Physiology
- Exercise Science
- Obesity Research
Background:
- Obesity is a significant national health issue in the US.
- Obesity impacts ventilatory control during exercise due to increased metabolic demand, work of breathing, and altered mechanics.
- Challenges to ventilatory control in obesity can range from subtle to severe.
Purpose of the Study:
- To review the physiological changes in ventilatory control during exercise in obese individuals.
- To examine the interaction between respiratory neural drive and ventilation in the context of obesity.
- To identify gaps in current knowledge regarding exercise ventilatory control in obesity.
Main Methods:
- Literature review of studies on obesity and exercise physiology.
- Analysis of respiratory control mechanisms.
- Discussion of neural and mechanical factors affecting breathing.
Main Results:
- Obese individuals exhibit adaptations in ventilatory control during exercise.
- The interaction between respiratory neural drive and ventilation is crucial for maintaining adequate breathing.
- These adaptations are often not overtly apparent in most obese individuals.
Conclusions:
- Understanding ventilatory control adaptations in obesity is essential for managing exercise capacity.
- Further research is needed to fully elucidate the mechanisms and implications of these adaptations.
- Addressing gaps in knowledge can improve health outcomes for obese populations during physical activity.
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