Structuring an interval training session requires a specific activity sequence. The correct order is as follows:
- Warm-up: Initiate with a warm-up to ready the body for elevated exertion, gradually increasing heart rate and muscle temperature.
- High-Intensity Run: Engage in a fast-paced run designed to significantly elevate the heart rate to 180 beats per minute.
- Recovery Period: Implement a brief rest phase to allow the body a short period of recovery post-intense effort.
- Heart Rate Reduction: During this phase, facilitate a decrease in heart rate to 120-130 beats per minute, promoting recovery.
- Return to Intensity: Subsequently, resume running at a similar intensity to sustain endurance and pacing abilities.
Therefore, the correct sequence is (D): (B), (D), (A), (E), (C).