加拿大中年耐力运动员的饮食摄入量
B Ghomeshi1, L McPhee2, O Morello3
1College of Medicine and Public Health, Flinders University, Bedford Park, South Australia, Australia.
概括
加拿大中年耐力运动员经常饮食不足,特别是碳水化合物,脂肪和关键微量营养素,如维生素D和. 在这个人口群体中,改善营养对于运动表现和健康老龄化都至关重要.
科学领域:
- 运动营养 运动营养
- 运动生理学 运动生理学
- 营养科学 营养科学
背景情况:
- 评估中年耐力运动员的饮食模式对于了解营养充足度至关重要.
- 加拿大非精英运动员代表一个可能存在特定营养挑战的人口群体.
研究的目的:
- 评估加拿大中年耐力运动员的饮食摄入量.
- 为了确定这些运动员之间营养消耗的潜在基于性别的差异.
主要方法:
- 使用Chronometer软件对3天的食物摄入记录进行分析.
- 将营养摄入量与已确定的饮食参考摄入量 (DRI) 和运动营养指南进行比较.
- 统计分析包括描述性统计,独立的t测试和费舍尔的精确测试来比较男性和女性运动员.
主要成果:
- 运动员符合蛋白质建议,但碳水化合物不足 (20.5%符合指导方针),脂肪摄入量超过建议 (54.5%高于AMDR).
- 观察到维生素D,,和的显著缺乏,摄入率高 (超过DRI的70.5%).
- 与男性相比,女性对几个微量营养素的摄入量较低,尽管补充剂的使用往往可以减轻这些差异.
结论:
- 中年耐力运动员的饮食往往缺乏足够的碳水化合物,脂肪和微量营养素,这些营养素对于表现和健康的衰老至关重要.
- 建议优化饮食摄入量,考虑年龄和性别特定的需求,以改善运动结果.
- 对纵向饮食习惯和更年期状态影响的进一步研究是必要的.
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