The biological 'hybrid drive' energy systems Flashcards
1
Q
Energy systems
A
Different energy systems used regarding to different energetic demands
2
Q
What influences choice of energy system
A
- Supply velocity
- Fuel availability
- Oxygen supply
3
Q
Types of energy systems
A
- Immediate energy system
- Short-term energy system
- Long-term energy syestem
4
Q
Immediate energy system
A
- Turns off after 10s
ATP - PCr
5
Q
Short-term energy system
A
Glycolysis
6
Q
Long term energy system
A
Aerobic
7
Q
Phosphocreatine: Energy reservoir
A
- Working skeletal muscle has very high ATP turnover - ATP reservoirs too limited
8
Q
WHat allows fast regeneration of ATP
A
Creatine phosphate and ADP
9
Q
ADP - ATP
A
- Catalysed by creatine kinase
10
Q
Glycolysis
A
Break down of glucose end product is pyruvate