Anatomy and Physiology - Muscle Fibre types

Question 1

What are the structural features of Slow Twitch type 1?

Answer 1

• Small in size
• Lots of Capillaries
• High mitochondria contents

Question 2

What are the functional features of Slow twitch type 1?

Answer 2

• Slow speed contraction
• Low pace
• Fatigue slowly
• High aerobic capacity

Question 3

What are the structural features of Fast twitch type 2B?

Answer 3

• Large in size
• High Glycogen stores
• High Phosphocreative stores

Question 4

What are the functional features of Fast twitch type 2B?

Answer 4

• Fast speed
• High force of contractions
• Fatigue quickly
• High anaerobic capacity