Energy system interplay and the oxygen continuum

What this note covers

1. The energy continuum: all three systems, all the time
2. Oxygen deficit: why the beginning of exercise is always anaerobic
3. Anaerobic threshold: the critical intensity boundary
4. EPOC: understanding recovery metabolism
5. The systems in action: a worked example across a 1500 m race
6. Applying the continuum to training prescription

6 sections · 14 key terms & formulas · 6 common mistakes