Muscle Fibres

Question 1

Name 4 characteristics of a Slow Oxidative Muscle Fibre

Answer 1

Slow Contraction Speed
Low contraction force
Respires Aerobically
Slow recovery rate
Slow rate of fatigue

Question 2

Name 4 characteristics of a fast oxidative glycolytic Muscle fibre

Answer 2

• Fast contraction speed
• High contraction force
  -Respires Aerobically and Anaerobically
• Intermediate rate of fatigue
• Medium recovery rate

Question 3

Name 4 characteristics of a Fast glycolytic muscle fibre

Answer 3

-Fast contraction speed
- High contraction force
- Respires anaerobically
- Fast rate of fatigue
- Fast recovery rate

Question 4

Describe the structure of a slow oxidative muscle fibre type (4 marks)

Answer 4

• Small fibre Size
• High number of capillaries
• Low glycogen stores
  -Low PC stores

Question 5

Describe the structure of a Fast Oxidative Glycolytic muscle fibre type

Answer 5

Intermediate Fibre Size
High number of Capillaries
Intermediate Glycogen Stores
Intermediate PC stores

Question 6

Describe the structure of a Fast glycolytic muscle fibre type

Answer 6

Large Fibre Size
Low number of capillaries
High glycogen stores
High PC stores