Stretch reflex
What Stretch reflex means in Physical Education A-Level, as defined for AQA.
Definitions of Stretch reflex
Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.
Check what you remember
Read the wording for your board, then hide it and explain Stretch reflex in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
When a muscle is stretched rapidly, the spindle sends sensory signals to the central nervous system, triggering the stretched muscle to contract to resist the stretch.
A reflex that increases muscle activation, adding to the force produced.
Topics that use Stretch reflex
- Energy systems (AQA A-Level)
- Neuromuscular system (AQA A-Level)
Related terms
- Absolute and relative values
- Aerobic and anaerobic adaptation
- Aerobic and anaerobic ATP resynthesis
- Aerobic ATP resynthesis
- Aerobic energy system and endurance performance
- Aerobic energy transfer
- Aerobic oxidation
- Aerobic versus anaerobic ATP generation
Using Stretch reflex 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