游泳大师的蛋白质摄入量:体育营养-A横截面研究中的实践影响
Michelle Santos de Souza1, Cássia Daniele Zaleski Trindade2, Flávio Antônio de Souza Castro2
1Course of Nutrition, Federal University of Health Sciences of Porto Alegre, Porto Alegre, Brazil.
Nutrition and health
|August 31, 2024
概括
主体运动员每天摄入足够的蛋白质,但摄入时间不够理想. 在一天中更均地分配蛋白质摄入量可以提高肌肉的合成和利用率.
科学领域:
- 运动营养 运动营养
- 运动生理学 运动生理学
- 营养生物化学 营养生物化学
背景情况:
- 蛋白质对于肌肉的维护,修复和生长至关重要,特别是在面临与年龄有关的肌肉损失的运动员中.
- 优化蛋白质摄入时间对于最大限度地利用其在运动员中至关重要.
研究的目的:
- 评估竞技大师运动员饮食蛋白质摄入的时间,数量和来源.
- 将运动员的摄入量与当前的国际体育营养指南进行比较.
主要方法:
- 一项涉及21名男性游泳大师 (年龄为47.9±10.0岁) 的横截面研究.
- 对蛋白质数量,时间和来源的7天食品记录的分析.
- 使用双能X射线吸收计评估身体成分.
主要成果:
- 平均每日蛋白质摄入量 (1.9 ± 0.5 g/kg/day) 和睡前摄入量 (33.5 ± 23.9 g) 均处于推范围之内.
- 大多数蛋白质是在午餐 (66.7 ± 6.9 g) 和晚餐 (48.0 ± 4.5 g) 中消耗的.
- 蛋白质来源:动物65.7%,植物29.2%,补充剂5.1%.
结论:
- 游泳大师满足每日蛋白质建议,但摄入量集中在两个主要的饭菜中.
- 建议在一天中更均地分配蛋白质摄入量,以优化肌肉蛋白质合成.
- 临床实践应加强对最佳每日蛋白质摄入量分布的指导.
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