Lactate threshold and OBLA
What Lactate threshold and OBLA means in Physical Education A-Level, as defined for AQA.
Definition of Lactate threshold and OBLA
Check what you remember
Read the wording for your board, then hide it and explain Lactate threshold and OBLA in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Lactate threshold is the exercise intensity at which blood lactate begins to rise faster than it can be cleared, while OBLA describes the point where lactate reaches a defined concentration, commonly cited as 4 mmol·dm⁻³.
Topics that use Lactate threshold and OBLA
- Energy systems (AQA A-Level)
Related terms
- Absolute and relative values
- Aerobic and anaerobic adaptation
- Aerobic energy system and endurance performance
- Aerobic energy transfer
- Aerobic versus anaerobic ATP generation
- Anaerobic and aerobic transfer
- Anaerobic ATP regeneration
- Anaerobic energy systems at high intensity
Using Lactate threshold and OBLA in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Physical Education questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge