Muscle fibre types

Question 1

Functional characteristics of muscle fibres

Answer 1

Contraction speed
Contraction force
Resistance to fatigue
Aerobic capacity
Anaerobic capacity

Question 2

Structural characteristics of muscle fibres

Answer 2

Fibre size
Michondrial density
Cappilary density
Phospher creatine store
Motor neurone size
Glycogen store

Question 3

What are Type 1 muscle fibres called

Answer 3

Slow twitch

Question 4

What are Type 2a muscle fibres called

Answer 4

Fast oxidative glycolytic

Question 5

What are Type 2x muscle fibres called

Answer 5

Fast twitch glycolytic