1
Q
What does OBLA stand for?
A
Onset of blood lactate accumulation
2
Q
What is meant by OBLA?
A
- Body is unable to provide enough oxygen to break down lactic acid and oxidise hydrogen
- Therefore change from aerobic to anaerobic energy system
3
Q
What is the effect of OBLA on performance?
A
- Too much lactate leads to fatigue or deteriorating performance
- Due to high acidity and inhibiting enzymes
4
Q
When does OBLA occur?
A
At 4 mmol
5
Q
What are the factors affecting OBLA?
A
- Intensity of exercise
- Fitness of performer
- V02 max of performer
- Respiratory exchange ratio
- Muscle fibre type
Energy Systems
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