A water polo team is implementing High Intensity Interval Training (HIIT) in their in-season program. Which of the following best represents an appropriate HIIT session for these players?
- 40 minutes of steady lap swimming at 70% of maximum heart rate
- 5 sets of 3-minute high-intensity swimming efforts at 90% of maximum heart rate with 2 minutes active recovery between sets
- 8 sets of 20-second maximal swimming sprints with 5 seconds passive recovery between sets
- 90 minutes of low-intensity technique drills focusing on passing skills