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Lewis and Clark Reloaded
The 3,041-Mile Bike Trail
Mary Rose Grant
Frank and Joe are 24-year-old fraternal twins who share similar interests, including cycling. The brothers decide to attempt their first long-distance bicycling trip, retracing the journey of early American explorers Lewis and Clark to the Northwest. Along the way, serious problems arise. Students review normal physiology of organ systems as well as changes that occur during physical exertion to piece together an understanding of the medical condition of one of the cyclists. The pivotal point in the case is learning that seemingly harmless and legally available substances can lead to potentially fatal outcomes, affecting organ systems already taxed beyond normal limits. This case is designed for use in a human biology course after students have learned about the integumentary, respiratory, cardiovascular, neuromuscular, and urinary systems.
|Keywords:||Caffeine intoxication; ergogenic aid; substance use; performance-enhancing drugs; doping; exercise physiology; physical exertion; endurance sports|
|Topical Area:||Ethics, Legal issues|
|Educational Level:||High school, Undergraduate lower division|
|Subject Headings:||Biology (General) Physiology Sports Science|
|Copyright:||Copyright held by the National Center for Case Study Teaching in Science, University at Buffalo, State University of New York. Please see our usage guidelines, which outline our policy concerning permissible reproduction of this work.|
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