Differences in Transversus Abdominis Muscle Function between Chronic Low Back Pain Patients and Healthy Subjects at Maximum Expiration: Measurement with Real-time Ultrasonography.
Differences in Transversus Abdominis Muscle Function between Chronic Low Back Pain Patients and Healthy Subjects at Maximum Expiration: Measurement with Real-time Ultrasonography.
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DOI：
10.1589/jpts.25.861
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发表时间：
2013-07
影响因子：
--
通讯作者：
Baek IH
中科院分区：
文献类型：
--
作者：
Kim KH;Cho SH;Goo BO;Baek IH
本研究的目的是比较慢性腰痛（CLBP）患者与健康个体在最大呼气时腹横肌（TrA）的收缩能力。[对象]我们研究了15例CLBP患者和15名健康受试者。受试者被告知研究的目的和方法，并在征得受试者同意后进行实验。[方法]采用LOGIQ Book XP （GE， USA）测量腹肌厚度。主要结局变量是最大呼气时TrA厚度与放松位置时的比值（TrA激活比）。[结果]健康组和背痛组在静息时的TrA厚度和收缩时的肌肉厚度存在差异。然而，肌肉活动的变化率没有差异。【结论】综上所述，CLBP患者表现为TrA肌萎缩，但TrA肌的随意激活与正常人相似。
The purpose of the present study was to compare the contraction ability at maximum expiration of the transversus abdominis (TrA) in patients with chronic low-back pain (CLBP) with that of healthy individuals. [Subjects] We studied 15 patients with CLBP and 15 healthy subjects. The subjects were informed of the study's aim and methods, and the experiment was performed after obtaining the consent of the subjects. [Methods] The thickness of the abdominal muscles was measured using a LOGIQ Book XP (GE, USA). The main outcome variable was the ratio of TrA thickness at maximum expiration versus in the relaxed position (TrA activation ratio). [Results] There was a difference between the healthy subjects and the back pain subjects with regard to the thickness of the TrA at rest and the thickness of the muscle during contraction. However, there was no difference in the rate of change in the muscle activity. [Conclusion] In conclusion, CLBP patients exhibited atrophy of the TrA muscle, but voluntary TrA muscle activation was similar to that of the normal subjects.
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