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Seasonal Changes in Anthropometric, Physiological, Nutritional, and Performance Factors in Collegiate Rowers
Junta Iguchi1, Kenji Kuzuhara2, Kanako Katai3
1Department of Health and Sports Sciences, Faculty of Health and Medical Sciences, Kyoto Gakuen University, Kyoto, Japan.
Seasonal training adjustments in collegiate rowers impact performance. Higher carbohydrate and protein intake, alongside high-intensity training, are crucial for improving 2,000-m rowing ergometer times and preventing overtraining.
Area of Science:
- Sports Science
- Exercise Physiology
- Nutritional Science
Background:
- Optimal training periodization is critical for endurance athletes' performance and preventing overtraining.
- Understanding the interplay between training load, physiological adaptations, and nutritional strategies is essential for maximizing athletic potential.
Purpose of the Study:
- To investigate the relationships between training distribution, body composition, energy balance, and rowing performance throughout a competitive season.
- To analyze seasonal variations in anthropometric, physiological, and nutritional factors in collegiate male rowers.
Main Methods:
- A 37-week study divided into off-season, pre-season, and in-season phases.
- Collected data on 2,000-m rowing ergometer performance, training intensity and volume, body composition (body mass, body fat), and energy intake/expenditure.
- Involved 15 collegiate male rowers, many new to the sport.
Main Results:
- Significant seasonal effects were observed in training intensity, 2,000-m rowing ergometer time, energy expenditure, and macronutrient intake (carbohydrates, protein, fat).
- High-intensity on-water training positively influenced 2,000-m ergometer performance, particularly for less experienced rowers.
- Increased carbohydrate and protein intake correlated with improved training adaptation and better ergometer performance.
Conclusions:
- Well-structured seasonal training programs incorporating high-intensity work are vital for enhancing rowing performance.
- Adequate carbohydrate and protein consumption supports optimal physiological adaptations and ergometer results.
- These findings can guide coaches in designing effective training and nutrition plans to boost performance and mitigate overtraining risks.
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