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School-Based High Intensity Interval Warm-Up Has Positive Effects on Physical Fitness in Adolescent Girls
Rade Jovanović1,2, Borko Katanić3, Nebojša Trajković2
1Faculty of Medicine, University of Niš, Physical Education Department, Niš, Serbia.
High-intensity interval training (HIIT) and regular physical education classes both improved fitness in female adolescents. However, no significant differences were found between the two groups over 12 weeks.
Area of Science:
- Exercise Physiology
- Adolescent Health
- Sports Science
Background:
- Physical activity is crucial for adolescent development.
- Regular physical education may not be sufficient to optimize body composition and fitness.
- High-intensity interval training (HIIT) is a time-efficient exercise modality.
Purpose of the Study:
- To investigate the effects of a 12-week HIIT program on body composition and physical fitness in female adolescents.
- To compare the effectiveness of HIIT with regular physical education classes in this population.
Main Methods:
- Forty adolescent females were randomly assigned to either a HIIT group or a control group (regular physical education).
- The HIIT program lasted 12 weeks.
- Body composition and physical fitness were assessed before and after the intervention period.
Main Results:
- Both groups showed significant improvements in several body composition and physical fitness parameters.
- No significant interaction between group and time was observed, indicating similar improvements between HIIT and control groups.
- Specific improvements included body mass, BMI, body fat percentage, handgrip strength, standing long jump, and various aerobic and agility tests.
Conclusions:
- While both HIIT and regular physical education led to significant fitness gains, there were no statistically significant differences between the groups.
- HIIT shows potential as an effective intervention for enhancing physical fitness within school settings.
- Further research may explore optimal HIIT protocols for adolescents.
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