Muscle Fibres Types

Question 1

Type I

Answer 1

Red slow twich
- low force/ power/ speed production -> high endurance
- Aerobic - Endurance
Eg. Marathon

Question 2

Type IIb

Answer 2

White fast twich
-high force/ power/ speed production -> low endurance
- Anaerobic - Explosive
Eg. 100m, 200m

Question 3

Type IIa

Answer 3

White Fast twich
- Falls in-between the two, used for sustained power activities and more resistant to fatigue that type IIb
Eg. 400m, 800m, javelin, jumps