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Physical Therapy Continuing Education Course

Part II: The Oxygen Transport System and Normal/Abnormal Responses to Exercise

Lecture Name

Part II: The Oxygen Transport System and Normal/Abnormal Responses to Exercise     $89.85

This lecture is part of the following course:
Assessment of Exercise Tolerance for Development of Safe Exercise Prescription


The purpose of this course is to present physiologic responses to assist the learner in understanding what are normal responses to activity, as well as abnormal and red flag responses to activity. The physiologic responses that are discussed include heart rate, blood pressure, oxygen saturation, respiratory rate, symptoms, and rating of perceived exertion. The effects of static versus dynamic and arm versus leg activities on physiologic responses are discussed, as are the effects of assistive devices. In addition, the effects of medications on physiologic responses are presented. A brief discussion of monitoring equipment is also provided.

Continuing education credits

This course is acceptable for credit in most states for PTs. To see the full list of courses approved for continuing education in your state, visit our courses page and filter for "Physical Therapist" and your state of licensure.

Contact Hours: 3.00


Difficulty: Intermediate


The purpose of this program is to understand the physiologic responses to activity, in order to appropriately monitor your patients during any and all activity, as well as to ensure that your documentation reflects medical necessity of monitoring needs of patients.

Goals & Objectives:

At the completion of this lecture, the learner will be able to:

  1. Discuss the 4 components of the oxygen transport system and provide clinical examples of individuals who have impairments in each of the components of the oxygen transport system;
  2. Discuss the factors that affect maximal oxygen consumption or maximal aerobic capacity;
  3. Identify 3 factors that can affect stroke volume;
  4. Discuss the relationship of stroke volume and heart rate to cardiac output;
  5. Describe normal and abnormal heart rate responses to activities and determine maximal heart rate;
  6. Describe normal and abnormal blood pressure responses to activities and define red flags regarding BP responses;
  7. Define blood pressure guidelines per the National Heart, Lung and Blood Institute and provide clinical decision-making recommendations regarding patients who present with elevated blood pressures;
  8. Identify 10 types of medications that affect HR and BP responses and provide alternatives to measurement of intensity of exercise if taking these medications;
  9. Discuss additional responses to assess with exercise, including oxygen saturation, symptoms and perceived exertion, and describe normal and abnormal responses to activity;
  10. Compare and contrast differences in HR and BP responses with arm versus leg activities and static versus dynamic activities;
  11. Describe the effect of assistive devices on HR and BP responses; and
  12. Discuss tips on documentation of abnormal responses.
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