Muscle

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Introduction

Muscle accounts for over one-third of the body's mass and play a number of different key roles.

 

 

 

Types of Muscle

  • skeletal muscle
  • smooth muscle
  • cardiac muscle

Skeletal Muscle

 

 

red muscle - lots of microtubules, weak, slow, sustained - S motorneurons

intermediate muscle - intermediated - FR motoneurons

white - few microtubules, strong, fast, fatiguable - FF motoneurons

Smooth Muscle

Cardiac Muscle

 

 

 

Muscle Structure

Fasicles

Fibres

Fibrils

 

 

 

Muscle Function

 

According to Dr Brownstone, the brain views muslces as against gravity - extensors.

extensor muscles are antigravity muscles - gastrocnemius

 

rest are flexors