液体摄入量和水分补充 响应群众参与 石自行车 石自行车
Carly Schuerger1, Brandon Raik1, Francis Salmon1
1Metabolism and Applied Physiology Laboratory, Department of Kinesiology, California State University, San Marcos, San Marcos, USA.
International journal of exercise science
|January 14, 2025
概括
石骑自行车的水分是具有挑战性的,大多数运动员开始脱水. 较长的比赛显著影响身体质量和水分水平,突出了改善营养策略的必要性.
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
- 骑自行车表现 骑自行车表现
背景情况:
- 砂地自行车是一种新学科,结合了公路,自行车和山地自行车,提出了独特的生理要求.
- 比赛的特点是多样化的地形,长距离,海拔增加,障碍物和有限的营养机会.
- 了解水分状态对于优化在这个苛刻的运动中的表现至关重要.
研究的目的:
- 为了评估参加不同距离的砂自行车比赛的运动员的水分反应.
- 为了研究比赛距离和水分的生理标志物之间的关系.
- 评估与比赛需求相关的液体和营养摄入量.
主要方法:
- 唾液透度 (SOsm) 和体质 (BM) 在赛前和赛后进行测量.
- 收集了流体和营养摄入量数据.
- 参与者完成了关于营养知识的赛前调查.
- 分析了三个不同的石比赛距离.
主要成果:
- 大多数参与者在比赛前 (79.4%) 脱水.
- 赛后,脱水增加了,有65%的人经历了轻度至严重的脱水.
- 较长的比赛距离显著影响了体质损失,SOsm,以及能量,液体,碳水化合物和的摄入量.
- 在不同距离的出汗率中没有发现显著差异.
结论:
- 石比赛距离显著影响水分状态和营养素/液体摄入量.
- 对于大多数参与者来说,比赛前的水分水平低于最佳水平.
- 研究结果表明,需要针对不同的石比赛距离量身定制的水分和营养策略.
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