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饮食和营养建议是否得到满足? 在耐力比赛中摄入量的分析
Rubén Jiménez-Alfageme1, Javier Álvarez2, Arkaitz Garbisu-Hualde3
1Physiotherapy Department, Faculty of Health Sciences, University of Gasteiz-EUNEIZ, 01013 Vitoria-Gasteiz, Spain.
Nutrients
|January 23, 2024
概括
耐力运动员消耗的能量,碳水化合物和液体少于建议,导致胃肠道问题的高发病率. 营养和补水策略需要改进,以获得最佳的性能和减少不适.
科学领域:
- 运动科学 运动科学 运动科学
- 运动生理学 运动生理学
- 营养科学 营养科学
背景情况:
- 越来越多的人参加耐力赛事需要优化营养和水分.
- 不充分的规划会损害表现,增加胃肠道问题.
- 这项研究评估了耐力运动员的饮食摄入量和胃肠道疾病.
研究的目的:
- 为了确定两个耐力赛的运动员的饮食摄入量.
- 评估遵守营养建议的情况.
- 评估胃肠道疾病的发生率.
主要方法:
- 对42名三项运动员和山地跑者进行了观测,横截面研究.
- 在活动期间收集关于液体,食物和补充剂消费的数据.
- 验证问卷 (NIQEC) 用于评估事件后的胃肠道问题.
主要成果:
- 平均摄入量:每小时192.17卡路里,每小时43.67克碳水化合物,每小时267.43克,每小时15.53克咖啡因.
- 平均液体消耗:421.21毫升/小时.
- 在61.9%的参与者中报告了胃肠道不适.
结论:
- 能量,碳水化合物,水,和咖啡因摄入量低于推水平.
- 三项运动员和山地跑者之间摄入量没有显著差异.
- 在这些运动员中观察到胃肠道问题的高患病率.
相关概念视频
Exercise and Muscle Performance
Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
Exercise and Cardiovascular Response
Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
Carbohydrates: Dietary Sources and Requirements
Carbohydrates are predominantly obtained from plant sources. With the exception of lactose found in milk and insignificant glycogen amounts in meat, most consumed carbohydrates have plant origins. Monosaccharides and disaccharides, or sugars, can be sourced from fruits, honey, milk, sugar cane, and sugar beets. Grains and vegetables are rich in the polysaccharide starch. Two types of polysaccharides provide fiber: cellulose, which is abundant in many vegetables, forms undigestible roughage or...
Proteins: Dietary Sources and Requirements
Consuming animal-based products offers high-quality proteins that contain optimal levels and combinations of essential amino acids, crucial for tissue repair and growth. Foods like eggs, milk, fish, and most meats are a source of complete proteins. Legumes and cereals are abundant in proteins; however, they typically lack a full range of essential amino acids. As a result, they are considered incomplete protein sources. Some plant sources like soybeans, quinoa, and amaranth do contain complete...
Energy Balance
The human body gets energy from the three macronutrients: carbohydrates, proteins, and fats. Energy is released when the chemical bonds in the organic compounds present in the food are broken down. The energy content of food is measured in kilocalories (kcal), defined as the amount of heat required to raise the temperature of one kilogram of water by one degree Celsius. This value is determined by measuring the temperature change of the water surrounding a calorimeter after the complete...

