Module 5: The muscular system

Table of Contents

1. Muscle structure
2. Muscle types
3. Muscle types activity
4. Muscle fibre types
   1. Type 1 fibres
   2. Type 2 fibres
5. Muscle fibre type's activity
6. Anterior muscles of the body
7. Posterior muscles of the body
8. Muscles of the body activity

Muscle fibre types

All skeletal muscle fibres are not alike in structure or function. Based on various structural and functional characteristics, skeletal muscle fibres can be sub divided into three different types:

• Type 1 fibres (slow twitch)
• Type 2a fibres (fast twitch)
• Type 2b fibres (fast twitch)