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B3.3.4—Structure and function of motor units in skeletal muscle

Experiments

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

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) 2025
Subject
Biology
Theme
B Form and function
Level of organization
3 Organisms
Topic
B3.3 Muscle and motility
Section
Standard level and higher level

* 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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