通过肌电图、心肺和代谢研究对胰岛素依赖型糖尿病儿童运动能力的表征

A. Merzouk , S. Fendri , J.M. Race , H. Bony-Trifunovic , B. Boudailliez , J.D. Lalau , P. Portero , D. Gamet
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引用次数: 0

摘要

为了研究胰岛素依赖型糖尿病(DID)患儿的身体适应性,提出了两种测试方法:一种是等距测试,作为腿部伸展的力维持(50%的自愿最大力),另一种是线性增量测试,用于循环(8 min内从最大有氧能的20%增加到100%)。对于每个测试,通过计算总能量(ET)和平均工频(FM)在谱域中表征股四头肌肌电信号(EMG)。在增量试验中,测量心肺变量(心率、氧气消耗、二氧化碳产生)和代谢变量(血糖、乳酸和钾血症)。根据健康儿童组(SNS), DID在等长条件下显示出更重要的疲劳。在动态条件下,心呼吸变量变化相似,代谢变量变化不同。儿童与青少年相比,在调频过程中ET的变化表现为准线性增加,调频相对稳定。通过判别分析,SNS和DID患儿可能存在差异。因此,肌电图信号反映了增量测试期间的代谢变化,可以用来表征DID的身体能力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Caractérisation de l'aptitude physique à l'effort chez l'enfant diabétique insulinodépendant par une étude électromyographique, cardiorespiratoire et métabolique

In order to study physical adaptation of children with insulin dependent diabete mellitus (DID), two kinds of test were proposed: An isometric test as a force maintain (50% of volantary maximal force) in teg extension and an linear incremental test on ergocycle (from 20% to 100% of the maximal aerobic power during 8 min). For each test, electromyographic signal (EMG) of quadriceps muscle was characterised in the spectral domain by calculating total energy (ET) and mean power frequency (FM). During incremental test, cardio-respiratory variables (heart rate, O2 consumption, CO2 production) and metabolivariables (glycemia, lactatemie, and kaliemia) were measured. According to a healthy children group (SNS), DID showed in isometric condition a fatigability more important. In dynamic condition, changes m cardio-respiratoiry variables were similar while metabolic variables were differently modified. Changes in ET mid FM were illustrated by specific profiles for children with respect to adolescent children (quasilinear increase for ET, relative stability for FM). Using a discriminant analysis, SNS and DID children may be differencied. Thus, EMG signal reflects metabolic changes during incremental test and may be used to characterized DID physical aptitude.

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