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女大学沙排球运动员的能量可用性
Brandon D Willingham1, Marcos Daou1, Jake VanArsdale1
1Department of Kinesiology, Coastal Carolina University, Conway, South Carolina; and.
Journal of strength and conditioning research
|October 25, 2024
概括
女大学沙排球运动员经常经历低能量可用性 (LEA),特别是随着赛季的进展. 个性化策略对于管理这些运动员的LEA至关重要.
科学领域:
- 运动医学 运动医学
- 运动生理学 运动生理学
- 营养科学 营养科学
背景情况:
- 低能量可用性 (LEA) 对女性运动员的健康和表现构成重大风险.
- 现有的LEA研究经常使用短期数据,可能会误导慢性能量平衡.
- 了解整个季节的LEA患病率对于有效干预至关重要.
研究的目的:
- 为了确定LEA在女大学沙排球运动员中的流行率.
- 在季前赛和整个10周的赛季中评估LEA.
- 确定与LEA相关的潜在营养因素,如碳水化合物摄入量.
主要方法:
- 用单向重复测量分析差异分析来分析数据.
- 测量包括饮食摄入量,活动能量消耗 (EE),身体成分,休息代谢率和食的热效应.
- 数据是在四个时间点收集的:季前赛,以及赛季的第1,5,9周.
主要成果:
- 虽然平均能量可用性 (EA) 仍然处于亚临床范围,但个体LEA患病率有显著的变化.
- 雷亚的流行率为30.8% (季前),37.5% (第1周),25.0% (第5周) 和62.5% (第9周).
- 碳水化合物摄入量始终低于力量运动员的建议,并且观察到增加无脂肪质量的趋势.
结论:
- 低能耗是个人的问题,而不是整个团队的情况,需要个性化的管理策略.
- 患有LEA的女沙排球运动员可能会从增加碳水化合物消费中受益.
- 在整个比赛季节监测和解决LEA对于运动员的福祉和表现至关重要.
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