1.8 Energy Systems in Muscle Cells Flashcards
Contraction time of slow twitch muscles
Slow
Contraction time of fast twitch muscles
Quick
Timeframe of contraction of sliw twitch muscles
Long
Timeframe of contraction of fast twitch muscles
Short
Type of activity best suited to slow twitch muscles
Endurance eg. long distance running or cycling
Type of activity best suited to fast twitch muscles
Bursts eg. Weightlifting or sprinting
Where ATP is generated for slow twitch muscle fibres
Aerobic respiration
Where ATP is generated for fast twitch muscle fibres
Glycosis
Number of mitochondria in slow twitch muscle
Many
Number of mitochondria in fast twitch muscle
Few
Blood supply to slow twitch muscle
Rich/ high
Blood supply to fast twitch muscle
Low
Main storage fuel for slow twitch muscle fibres
Fats
Main storage fuel for fast twitch muscle fibres
Storage carbohydrates like glycogen or creatine phosphate
What muscle contraction requires
ATP