健康青年人原始生物阻抗值对急性喂养的敏感性：潜在的应用价值

IF 1.7 4区教育学 Q2 EDUCATION & EDUCATIONAL RESEARCH

Measurement in Physical Education and Exercise Science Pub Date : 2023-02-01 DOI:10.1080/1091367X.2023.2172682

atie R. Hirsch, M. Blue, A. Smith‐Ryan

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引用次数: 0

摘要

摘要阻抗（Z）、电阻（R）、电抗（Xc）和相位角（PhA）对细胞内和细胞外区室之间的液体变化很敏感，就像骨骼肌吸收营养时一样，但在很大程度上仍未被探索。为了探索全身和节段（手臂、腿、躯干）生物阻抗对急性喂养的敏感性，27名年轻人在不同场合完成了三种喂养条件的随机交叉设计[高碳水化合物（CHO）、高蛋白（PRO）、禁食（FAST）；液体标准化]。生物阻抗在餐后一小时完成。5、50、250条件下喂养条件的差异对kHz进行了评估。在5 kHz、全身Xc和PhA与CHO有显著差异（p = .017），但不是PRO（p = .152）；在50或250时没有显著差异 kHz（p > .05）。与FAST相比，CHO和PRO的节段生物阻抗显著不同[5] kHz：（臂：Z，R，Xc，PhA；主干：Z，R；p ≤ .002），50 kHz：（臂：Z，R，Xc；躯干：Z，Rxc；p < .02），250 kHz：（手臂：Z，R；躯干：Z，R；腿：PhA；p ≤ .009）]。结果显示节段生物阻抗为5 kHz对急性营养敏感。有必要进行进一步的勘探。

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Sensitivity of Raw Bioimpedance Values to Acute Feeding in Healthy Young Adults: Potential Utility for Application

ABSTRACT Impedance (Z), resistance (R), reactance (Xc), and phase angle (PhA) are sensitive to shifts in fluid between intra- and extracellular compartments, as would occur with nutrient uptake into skeletal muscle, but remains largely unexplored. To explore the sensitivity of whole-body and segmental (arms, legs, trunk) bioimpedance to acute feeding, 27 young adults completed three feeding conditions on separate occasions in randomized, cross-over design [high-carbohydrate (CHO), high-protein (PRO), fasted (FAST); standardized for fluid]. Bioimpedance was completed one-hour post-meal. Differences between feeding conditions at 5, 50, 250 kHz were evaluated. At 5 kHz, whole-body Xc and PhA were significantly different with CHO (p = .017), but not PRO (p = .152), compared to FAST; there were no significant differences at 50 or 250 kHz (p > .05). Segmental bioimpedance was significantly different with CHO and PRO compared to FAST [5 kHz: (Arms: Z, R, Xc,PhA; Trunk: Z, R; p ≤ .002), 50 kHz:(Arms: Z, R, Xc; Trunk: Z, R, Xc; p < .02), 250 kHz:(Arms: Z, R; Trunk: Z, R; Legs: PhA; p ≤ .009)]. Results suggest segmental bioimpedance at 5 kHz is sensitive to acute nutrition. Further exploration is warranted.

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来源期刊

Measurement in Physical Education and Exercise Science Medicine-Orthopedics and Sports Medicine

CiteScore

4.20

自引率

33.30%

发文量

期刊介绍： The scope of Measurement in Physical Education and Exercise Science (MPEES) covers original measurement research, special issues, and tutorials within six substantive disciplines of physical education and exercise science. Six of the seven sections of MPEES define the substantive disciplines within the purview of the original research to be published in the journal: Exercise Science, Physical Activity, Physical Education Pedagogy, Psychology, Research Methodology and Statistics, and Sport Management and Administration. The seventh section of MPEES, Tutorial and Teacher’s Toolbox, serves to provide an outlet for review and/or didactic manuscripts to be published in the journal. Special issues provide an avenue for a coherent set of manuscripts (e.g., four to five) to collectively focus in-depth on an important and timely measurement-related issue within the scope of MPEES. The primary aim of MPEES is to publish high-impact manuscripts, most of which will focus on original research, that fit within the scope of the journal.