Energy systems Flashcards
What are the 3 energy systems?
ATP-PC
Glycolytic
Aerobic
Memory method for energy systems
YBFIESTA
Y
B
F
I
E
S
T
A
Yield
By product
Food fuel
Intensity
Enzyme
Sites & stages of reactions
Time Aerobic/ anaerobic
ATP-PC energy system
Y- 1 ATP
B- None
F- PC
I- Very high
E- ATPase
Creatine Kinase
S- Sarcoplasm (exothermic and endothermic reactions)
T- 2-10 secs
A- Anaerobic
Glycolytic energy system
Y- 2 ATP
B- Lactic acid
F- Glycogen and glucose
I- High
E- GPP
PFK
LDH
S- Sarcoplasm (Anaerobic glycolysis)
T- 10 secs- 3 mins
A- Anaerobic
Aerobic energy system
Y- 38 ATP (2,2,34)
B- CO2 (Kreb cycle)
Water (ETC)
F- Glycogen, glucose and fats (triglycerides)
I- Low- moderate
E- GPP,PFK, Coenzyme A, Lipase (to break down fats)
S- 1. Sarcoplasm (aerobic glycolysis)
2. Matrix of mitochondria (Kreb cycle)
3. Cristae of mitochondria (Electron transport chain)
T- 3 mins+
A- Aerobic