Physical Education A-Level
Calcium ion retention
What Calcium ion retention means in Physical Education A-Level, as defined for AQA.
Definition of Calcium ion retention
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Reference: AQA
Calcium ions remain in the sarcoplasm, keeping troponin and tropomyosin displaced so actin and myosin can keep forming cross-bridges.
Topics that use Calcium ion retention
- Neuromuscular system (AQA A-Level)
Related terms
- Aerobic and anaerobic ATP resynthesis
- Aerobic ATP resynthesis
- Aerobic oxidation
- All-or-none law
- Calcium ions
- Endurance activity performance
- Fast glycolytic (type IIx)
- Fatigue resistance
Using Calcium ion retention in the exam
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