季前摔者的营养摄入量,表现和身体成分
Gregory-James A Coapstick1, Allison M Barry1, Crystal L Levesque2
1School of Health and Consumer Sciences, South Dakota State University, Brookings, SD, USA.
International journal of exercise science
|April 26, 2024
概括
大学摔运动员经常有能量不足和营养摄入不足. 身体成分显著影响它们的强度和无氧性能,突出了个性化的营养和身体成分监测的需要.
科学领域:
- 运动营养 运动营养
- 运动生理学 运动生理学
- 竞技表现运动员的表现
背景情况:
- 在重量级体育运动中的大学运动员面临能量赤字和营养缺乏的高风险.
- 对于这些运动员的身体组成,营养摄入量和表现的相互作用,人们的理解有限.
- 摔运动员在竞技赛季特别容易受到营养挑战.
研究的目的:
- 为了量化季前男子大学摔运动员的宏观营养素和微量营养素摄入量.
- 为了比较摔者的营养摄入量与估计的生理需求.
- 研究营养状况,身体组成和性能指标 (力量,无氧能力) 之间的关系.
主要方法:
- 在季前赛期间招募了11名NCAA第一师男子摔手.
- 通过3天的食物日记收集饮食摄入量.
- 使用7位皮肤折叠方法评估身体组成,以估计无脂肪质量 (FFM).
- 使用Biodex动力计测量异动力学和异度学强度.
- 使用静止循环人体表仪评估无氧容量.
主要成果:
- 根据估计的需求,十一名摔运动员中有八名表现出能量不足.
- 四个关键微量营养素的平均摄入量低于建议的饮食补贴 (RDA).
- 在营养摄入量和表现之间观察到显著的相关性 (r = 0.6030.902,p = 0.00010.05).
- 这些相关性在无脂肪质量 (FFM) 被统计控制时失去了统计意义.
结论:
- 营养素摄入量和身体成分是重量级运动员表现的关键决定因素.
- 在季前赛中保持足够的FFM可以提高摔表现.
- 教练和卫生专业人员的个性化建议对于通过监测营养摄入量和身体组成来优化运动员表现至关重要.
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