通过运动员的原始生物电阻参数预测身体水区:串行和并行测量之间的比较
Rúben Francisco1, Filipe Jesus1, Catarina L Nunes1
1Exercise and Health Laboratory, CIPER, Faculdade Motricidade Humana, Universidade de Lisboa, Lisbon, Portugal.
Scandinavian journal of medicine & science in sports
|July 5, 2023
概括
并行生物电阻测量表明,对运动员的液体隔间进行评估是有希望的. 具体来说,并行反应强度 (Xc) 和电容 (CAP) 是细胞内水 (ICW) 和细胞体积的有效指标.
科学领域:
- 运动科学 运动科学 运动科学
- 生理学 生理学 生理学
- 生物医学工程 生物医学工程
背景情况:
- 准确评估身体成分,包括全体水 (TBW),细胞内水 (ICW) 和细胞外水 (ECW),对运动员至关重要.
- 生物电阻分析 (BIA) 是估计体水的常用方法,但不同BIA衍生参数的预测作用需要进一步研究.
研究的目的:
- 评估系列和并行生物电阻参数对运动员TBW,ICW和ECW的预测能力.
- 为了比较不同BIA衍生指标在估计流体区间中的有效性.
主要方法:
- 一项涉及134名男性和64名女性运动员的横截面研究.
- 使用稀释技术测量身体水区 (TBW,ECW),ICW根据差异计算.
- 连续和并行生物电阻参数 (电阻,反应电阻,阻抗),以高度标准化,使用相位敏感装置进行测量.
主要成果:
- 串行和并行阻抗指数 (R/H,Z/H) 显著预测了男女的TBW.
- 并行反应率 (Xc/Hp) 和电容 (CAP) 是两性中ICW的显著预测因素.
- 在男性中,串行电阻 (R/Hs) 是TBW和ICW的更好的预测因素,而不是并行电阻 (R/Hp),而并行反应 (Xc/Hp) 是最好的ICW预测因素.
结论:
- 平行生物电阻值为识别运动员体内的液体区提供了传统系列测量的有价值的替代方案.
- 平行反应强度 (Xc) 和电容强度 (CAP) 是细胞体积和细胞内水的验证指标.
更多相关视频
10:21Evaluation of Hydration Status by Bioelectrical Impedance Vector Analysis in Patients with Ischemic Heart Disease Undergoing Exercise Stress Test
Published on: September 22, 2023
670
07:44Author Spotlight: Implementation of BIVA for Analyzing Disease Risk Factors in Patients with Low Body Cell Mass
Published on: July 14, 2023
1.2K
相关概念视频
Body Water Content and Fluid Compartments
834
Life's biochemical processes occur within aqueous solutions. Solutes are substances that are dissolved within these solutions. The human body contains a variety of solutes, which can differ across various body parts. These can encompass proteins—such as those responsible for clotting and carbohydrate transport—as well as electrolytes. In medicine, an electrolyte is often described as a mineral ion derived from a salt possessing an electric charge. Examples include sodium ions...
834
Bode Plots Construction
741
The Bode plot is an essential tool in control system analysis, mapping the frequency response of a system through a magnitude plot and a phase plot, both against a logarithmic frequency axis. To construct a Bode plot, consider the transfer function H(ω):
741
