ELECTROMYOGRAPHIC POWER SPECTRUM ANALYSIS OF THE PARASPINAL MUSCLES - LONG-TERM RELIABILITY

被引：25
作者：
THOMPSON, DA
BIEDERMANN, HJ
机构：
[1] Departments of Psychology and Rehabilitation Medicine, Queen’s University, Kingston
来源：
SPINE | 1993年 / 18卷 / 15期
关键词：
ELECTROMYOGRAPHY; POWER SPECTRUM ANALYSIS; LUMBAR MUSCLES; RELIABILITY;
D O I：
10.1097/00007632-199311000-00029
中图分类号：
R74 [神经病学与精神病学];
学科分类号：
摘要：
As a prerequisite to the use of electromyographic power spectral analysis of the paraspinal muscles as a low-back pain treatment outcome measure, the long-term reliability of the technique was assessed. The myoelectric signals of the multifidus and iliocostalis lumborum muscles of healthy sedentary women were analyzed with regard to spectral parameters during a constant-force contraction, before and after a 3-month period. Results indicated that for both muscles, estimates of initial median frequency and amplitude had high test/retest reliability, but that the recovery and left-right difference parameters were not stable. Using a confidence interval method, test/retest variation for the fatigue parameter was found to be within the range of variability of potentially underlying metabolic processes.
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页码：2310 / 2313
页数：4
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