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Time-of-Day-Specific High-Intensity Interval Training (Chrono-HIIT) in Chinese College Students with Low Physical Activity Levels: Protocol for a Mixed-Methods Feasibility Pilot Randomized Controlled Trial
Testing high-intensity interval training at different times of day in inactive Chinese college students: a pilot study plan
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Abstract
Approximately 72 students will participate in an eight-week time-specific high-intensity interval training (HIIT) programme.
- The study evaluates the feasibility and preliminary effectiveness of HIIT among Chinese college students.
- Participants will be assigned to either a morning HIIT group, an evening HIIT group, or a control group.
- Intervention groups will engage in three HIIT sessions per week for eight weeks.
- Primary outcomes will include feasibility indicators such as recruitment, retention, adherence, and data completeness.
- Secondary outcomes will assess changes in body composition, cardiorespiratory fitness, muscular strength, endurance, and flexibility.
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