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Rhabdomyolysis

A Workout Breakdown


Author(s)

Arne K. Christensen
Department of Biology
Westfield State University
achristensen@westfield.ma.edu
Joan-Beth Gow
School of Professional Studies
Anna Maria College
jgow@annamaria.edu

Abstract

This directed case study focuses on exercise-induced rhabdomyolysis (exRML).  Students are guided though skeletal muscle cell membrane transport and calcium homeostasis.  They are then asked to predict how depletion of ATP at the skeletal muscle cell level could affect cellular membrane transport, skeletal muscle tissue integrity, blood composition, and kidney organ function. This cause-and-effect scenario, which incorporates human physiology at all levels from ion to organ, is presented in the context of the protagonist, "Rachel," who pushes her exercise regime too far and ends up in the hospital with exRML. Students are provided with a variety of clinical data (vital signs, blood values, and plotted data) and are then invited to apply what they have learned to determine how to tailor Rachel's treatment plan. This case was written for a general biology or human physiology course and is designed to be used within one 50-minute block.


Objectives

  • Summarize normal muscle physiology.
  • Analyze the rhabdomyolysis disease process at a cellular level.
  • Interpret numerical values that indicate pathological conditions in these systems.
  • Describe the symptoms and treatment of rhabdomyolysis.
  • Assess risk factors for rhabdomyolysis and relate these to their own lives.

Keywords

Muscle; kidney; membrane transport; ATP; rhabdomyolysis; RML; exRML; CrossFit; muscle pain; weakness; discolored urine; myoglobin

Topical Areas

N/A

Educational Level

High school, Undergraduate lower division, Undergraduate upper division

Format

PDF, PowerPoint

Type / Methods

Directed, Discussion

Language

English

Subject Headings

Biology (General)  |   Cell Biology  |   Medicine (General)  |   Physiology  |   Sports Science  |   Nursing  |   Science (General)  |  


Date Posted

9/16/2019

Teaching Notes

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Supplemental Materials

The PowerPoint presentation below includes a slide that can be used to discuss Ca2+ transport in a resting skeletal muscle cell.


  rhabdomyolysis.pptx

Answer Key

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