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Chapter 6 - Muscle

Published online by Cambridge University Press:  14 September 2023

John A. Jarratt
John A. Jarratt
Affiliation:
Emeritus, Sheffield Teaching Hospitals NHS Foundation Trust
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Summary

There are three types of muscle fibre: 1, 2a and 2b. Their function is determined by their size and metabolism. Type 1 fibres oxidise glucose to produce adenosine triphosphate (ATP). They are of small diameter, contract slowly, produce modest force and are resistant to fatigue. Type 2b fibres are large in diameter, produce ATP anaerobically, have fast twitch tensions, generate large force but fatigue rapidly. Type 2a fibres are intermediate. A table showing the details of the classification of muscle fibre types is provided. The chapter concludes with a brief description of cross-bridge cycling.

Keywords

Muscle Fibre TypesAerobic and Anaerobic GlycolysisCross-bridge Cycling
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Chapter
Information
Essential Electromyography , pp. 16 - 17
Publisher: Cambridge University Press
Print publication year: 2023

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  • Muscle
  • John A. Jarratt, Emeritus, Sheffield Teaching Hospitals NHS Foundation Trust
  • Book: Essential Electromyography
  • Online publication: 14 September 2023
  • Chapter DOI: https://doi.org/10.1017/9781009381055.007
Available formats
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  • Muscle
  • John A. Jarratt, Emeritus, Sheffield Teaching Hospitals NHS Foundation Trust
  • Book: Essential Electromyography
  • Online publication: 14 September 2023
  • Chapter DOI: https://doi.org/10.1017/9781009381055.007
Available formats
×

Save book to Google Drive

To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Google Drive.

  • Muscle
  • John A. Jarratt, Emeritus, Sheffield Teaching Hospitals NHS Foundation Trust
  • Book: Essential Electromyography
  • Online publication: 14 September 2023
  • Chapter DOI: https://doi.org/10.1017/9781009381055.007
Available formats
×