Exertional Heat Illness: Advanced Analysis of Intrinsic Risk Factors
Presented by Susan Yeargin
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Non-Financial: Susan Yeargin serves on the Korey Stringer Institute Medial Advisory Board, and is an associate professor at the University of South Carolina Department of Athletic Training.
Research on exertional heat illness (EHI) has been increasing over the last decade, but a gap in how to translate results to prevention strategies and policies may exist. Research evaluating common predisposing factors will be reviewed to develop focused prevention strategies for EHI in active populations. Constructing the framework of prevention policies for EHI is provided throughout the course. Only inherent and underlying intrinsic risk factors will be covered in this course.
Meet your instructor
Susan Yeargin
Susan Yeargin is an associate professor of athletic training at the University of South Carolina. She serves on NATA’s pronouncements and research committees. She was a task force member and author of the “Preseason Heat-Acclimatization Guidelines for Secondary School Athletics” and a coauthor of the recent NATA position…
Chapters & learning objectives
1. Introduction
The difference between extrinsic and intrinsic risk factors is clarified. Types of prevention strategies are defined.
2. Intrinsic Risk Factors: Medications and Comorbidities
In this chapter, the instructor provides examples of which comorbidities may be predisposing factors for EHI and why. This chapter also discusses which medications affect hydration status and body temperature and therefore are predisposing factors. Examples of policy statements are given that can be used for different active populations.
3. Intrinsic Risk Factors: Body Size and Mindset
The instructor will explain why being overweight is a predisposing factor for EHI, while debunking a common myth about this body type. This chapter will also present research as to the prevalence of overweight and obese individuals in active populations. This chapter will include a description of how an overzealous attitude can be a predisposing factor for EHI. Discussion of how to use the research results for the practical application of prevention strategies will be presented. Examples of policy statements are given that can be used for different active populations.
4. Intrinsic Risk Factors: Underlying Physiologic Individual limitations
In this chapter, the instructor explains why febrile and gastrointestinal illnesses are predisposing factors for EHI. Research is discussed, as well as possible explanations for sleep deficits as risk factors. The chapter also reviews how an individual’s physical conditioning level can be a risk factor in certain exercise. There is a discussion of how to use the research results for the practical application of prevention strategies. Examples of policy statements are given that can be used for different active populations.
5. Intrinsic Risk Factors: Environment-Related Physiologic Individual Limitations
This chapter starts off with why hypohydration is a primary etiology for EHI. There’s also a discussion of the benefits of heat acclimatization. The instructor provides research supporting why inadequate heat acclimatization is a predisposing factor and discusses how to use the research results for the practical application of prevention strategies. Examples of policy statements are given that can be used for different active populations.
More courses in this series
Exercise-Associated Muscle Cramps
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Differentiating Exertional Heat Exhaustion and Exertional Heat Stroke
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Exertional Heat Illness: Advanced Analysis of Extrinsic Risk Factors
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Exertional Heat Illness: Advanced Analysis of Intrinsic Risk Factors
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