肱二头肌肌肉大小和回声强度的单次横向超声成像与全景超声成像的重测信度
Test-Retest Reliability of Single Transverse versus Panoramic Ultrasound Imaging for Muscle Size and Echo Intensity of the Biceps Brachii.
作者信息
Jenkins Nathaniel D M, Miller Jessie M, Buckner Samuel L, Cochrane Kristen C, Bergstrom Haley C, Hill Ethan C, Smith Cory M, Housh Terry J, Cramer Joel T
机构信息
Department of Nutrition and Health Sciences, University of Nebraska-Lincoln, Lincoln, Nebraska, USA.
Department of Kinesiology and Health Promotion, University of Kentucky, Lexington, Kentucky, USA.
出版信息
Ultrasound Med Biol. 2015 Jun;41(6):1584-91. doi: 10.1016/j.ultrasmedbio.2015.01.017. Epub 2015 Mar 3.
This study compared test-retest reliability and sensitivity to change for muscle size and echo intensity (EI) measurements from single transverse (EIST) versus panoramic (EIP) ultrasound (US) images of the biceps brachii. Forearm flexor muscle thickness and EIST and biceps brachii muscle cross-sectional area and EIP were quantified from single transverse and panoramic US images in 14 men (age = 21.8 ± 2.5 y [mean ± standard deviation]) on two separate days. The intra-class correlation coefficients, coefficients of variation, and minimum differences for muscle thickness, EIST, muscle cross-sectional area and EIP ranged from 0.78 to 0.99, from 2.26% to 3.29%, and from 6.26% to 9.12%, respectively. These findings suggested that single transverse imaging and panoramic US imaging are comparable, reliable techniques for quantifying muscle size and EI of the biceps brachii. Single transverse images may be simpler to obtain; thus, future studies may choose to quantify muscle size and EI from a single transverse US image in the biceps brachii.
本研究比较了肱二头肌单幅横向超声图像（EIST）与全景超声图像（EIP）中肌肉大小和回声强度（EI）测量的重测信度及变化敏感性。在两天内，从14名男性（年龄 = 21.8 ± 2.5岁[平均值±标准差]）的单幅横向和全景超声图像中，对前臂屈肌厚度、EIST以及肱二头肌肌肉横截面积、EIP进行了量化。肌肉厚度、EIST、肌肉横截面积和EIP的组内相关系数、变异系数和最小差异分别在0.78至0.99、2.26%至3.29%以及6.26%至9.12%之间。这些结果表明，单幅横向成像和全景超声成像在量化肱二头肌肌肉大小和EI方面是可比的、可靠的技术。单幅横向图像可能更易于获取；因此，未来的研究可能会选择从肱二头肌的单幅横向超声图像中量化肌肉大小和EI。
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