Muscle Fibre Flashcards
1
Q
Two types of muscle fibre
A
Slow Twitch (red)
Fast Twitch (white)
2
Q
Slow Twitch - Functions
A
Contract more slowly
Less powerful but over a longer period
Good for endurance work
3
Q
Slow Twitch - Adaptions for Aerobic Respiration
A
Contain more myoglobin
Good blood supply
Many mitochondria
4
Q
Fast Twitch - Functions
A
Contract more quickly
More powerful contractions but for a short period
Good for intense work
5
Q
Fast Twitch - Adaptions for Anaerobic Respiration
A
Contain less myoglobin
More and thicker myoglobin filaments
More glycogen
