尿液反应剂条和光学之间的一致性和可靠性,用于在超长距离跑者中对水分的现场评估
Daniel Rojas-Valverde1,2, Volker Scheer3, Marcelo Tuesta4,5
1Centro de Investigación, Desarrollo e Innovación en Salud y Deporte (CIDISAD), Escuela Ciencias del Movimiento Humano y Calidad de Vida (CIEMHCAVI), Universidad Nacional, Heredia 86-3000, Costa Rica.
Nutrients
|February 13, 2026
概括
尿液试剂条和折射计可靠地评估超耐力运动员的水分. 这些方法在现场环境中显示出对尿液特异重量 (USG) 监测的强烈一致.
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
- 补水量监测 补水量监测
背景情况:
- 准确的水分状态对于超级耐力运动员的表现和健康至关重要.
- 在长时间的体育赛事中,与热量相关的疾病是显著的风险.
- 基于现场的水分评估工具需要验证才能在实践中使用.
研究的目的:
- 为了评估尿液试剂条的一致性和可靠性,与用于测量尿液特异重量 (USG) 的折射计相比.
- 为了评估这些水分评估方法在竞争期间超级轨道跑者.
- 确定这些方法是否可互换用于实际的水分监测.
主要方法:
- 34名超级跑步运动员在两个比赛阶段之前和之后提供了尿液样本.
- 尿液特异性重力 (USG) 用半定量尿液试剂条和数字折射计进行测量.
- 统计分析包括配对的t测试,相关性,ICC和布兰德-阿尔特曼图.
主要成果:
- 这两种方法在典型的水化范围内都显示出很强的一致性 (相关系数为0.92-0.99).
- 尿液试剂条和折射计之间没有发现显著差异.
- 两种设备都检测到运动诱导的低水解,体现出USG后期增加.
结论:
- 半定量性尿液试剂条和手持式折射计可靠地用于超级跑步运动员的水分评估.
- 这些方法在运动员没有严重缺水的情况下,在场地条件下显示出强烈的一致性.
- 这些发现支持这些工具的可互换性使用,用于超耐力赛事中的实际水分监测.
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