character: Fitness Guru
topic: Introduction to High-Intensity Interval Training (HIIT)
subject: Physical Education
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character: Personal Trainer
topic: Benefits of HIIT Workouts
subject: Physical Education
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character: Athletic Coach
topic: Designing HIIT Programs for Beginners
subject: Physical Education
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character: Health Educator
topic: Nutrition Tips for HIIT Training
subject: Physical Education
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