EPOC Flashcards
What does EPOC stand for?
Excessive post oxygen consumption
What is EPOC?
the amount of oxygen required to return the body to its ‘pre-exercise state’
What is oxygen deficit?
The amount of oxygen that is needed to complete exercise entirely aerobically.
What are the two components of epoc?
Fast (Alactacid) component
Slow (lactacid) component
label this graph:
A=Oxygen Deficit
B= Oxygen consumption
C=Fast alacatcid component
D=Slow lactacid component
What are the two processes of the fast component?
- Resynthesis of myoglobin with oxygen
- Resynthesis of ATP & PC
Describe resynthesis of ATP & PC in the fast component.
ATP= Energy + P + ADP
Energy + P +C= PC
Uses 1-4 litres of oxygen
50% 30 seconds
100% 3 minutes
Describe restoration of myoglobin with oxygen in the fast component
Takes 1 minute
uses 0.5 litres of oxygen.
Depends on amount of training done
Depends on how much ATP has been used
What three processes make up the slow component?
- Removal of lactic acid
- Replenishment of glycogen
- Ventilation, circulation and body temp.
Describe the removal of lactic acid in the slow component.
Convert lactic acid into pyruvic acid and then oxidized into CO2 &H2O
Describe the replenishment of glycogen in the slow component.
Lactic acid converted into glucose then into glycogen.
Ingestion of carbohydrates.
1 hour completion time.
Describe ventilation, circulation and body temp in the slow component.
Respiratory rate and heart rate stay elevated.
Gradually decrease to resting level
Potential stay high for several hours.
