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9. Fatigue

Experiments

Here are experiments our science specialists have selected to support the IB* topic.

RecommendedInquiry

Heart Rate

Experiment #15 from Investigating Biology through Inquiry

In this Preliminary Activity, you will use a Heart Rate Monitor to determine a subject’s heart rate. After completing the Preliminary Activity, you will first use reference sources to find out more about the heart, the cardiovascular system, and heart rate before you choose to investigate a researchable question dealing with heart rate. Depending on sensor availability and your interest, you might decide to use another sensor, such as a Blood Pressure Sensor, in addition to a Heart Rate Monitor. Some topics to consider in your reference search are:

  • heart
  • heart rate
  • cardiovascular system
  • physical fitness
  • maximum cardiac rate
  • homeostasis
  • sympathetic nervous system
  • parasympathetic nervous system
  • heart-rate recovery time
  • fitness index
  • baroreceptor reflex
  • diving reflex

Introduction to Electromyography

Experiment #3 from Human Physiology Experiments

  • Obtain graphical representation of the electrical activity of a muscle.
  • Correlate grip strength measurements with electrical activity data.
  • Correlate measurements of grip strength and electrical activity with muscle fatigue.
  • Observe the effect on grip strength of a conscious effort to overcome fatigue.

Advanced Analysis of EMG

Experiment #14 from Human Physiology Experiments: Volume 2

  • Obtain graphical representation of the electrical activity of a muscle.
  • Correlate grip strength duration with the integral of the EMG.
  • Correlate grip strength amplitude with the integral of the EMG.

Educational Standard
International Baccalaureate (IB)
Subject
Sports, Exercise, and Health Science
Section
Core
Topic
9. Fatigue

* The IB Diploma Program is an official program of the International Baccalaureate Organization (IBO) which authorizes schools to offer it. The material available here has been developed independently of the IBO and is not endorsed by it.

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