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Low Back Pain Assessment Using Surface Electromyography and Digital Infrared Thermographic Imaging
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Kang Jin Lee, In Sung Choi, So Young Lee, Jae Young Han, Sam Gyu Lee, Hong Jae Chai, Seong Kwan Lee, Jai Dong Moon
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Korean Journal of Occupational and Environmental Medicine 2001;13(3):306-314. Published online September 30, 2001
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DOI: https://doi.org/10.35371/kjoem.2001.13.3.306
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 Abstract
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- OBJECTIVES
We studied the efficacy of surface electromyography(SEMG) and digital infrared thermographic imaging(DITI) in the assessment of low back pain both(LBP) quantitatively and qualitatively.
METHODS
We compared electromygraphic signals from electrodes placed in the lumbar area and the digital thermographic images in 16 LBP patients and 16 control subjects. The LBP patients and the control subjects were matched for age, gender, and body mass index(BMI) to adjust for any confounding effects RESULTS: In the static analyses of SEMG, median value was 198.1 microV for the LBP patients and 161.3 microV for the controls on the right side, and they were 194.2 microV and 180.5 microV on left side respectively. There was a statistically significant difference between the two groups on the right side(p<0.01), but not on the left side. In the dynamic analyses of the SEMG, the median values of the extension per flexion ratio of right side were 1.12 for LBP patients and 1.39 for controls. and those on the left side were 1.08 and 1.21 respectively. There were statistically significant differences in both sides(p<0.05). The sensitivity and specificity were 100% and 81.3% in DITI, 78.6% and 72.2% in SEMG .
CONCLUSIONS
These results indicate that SEMG and DITI are useful methods for indirect assessments of LBP, and that DITI is more sensitive and specific than SEMG.
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Citations
Citations to this article as recorded by  - The effect of middle and lower trapezius strength exercises and levator scapulae and upper trapezius stretching exercises in upper crossed syndrome
Won-Sik Bae, Hyun-Ok Lee, Jae-Wook Shin, Keon-Cheol Lee
Journal of Physical Therapy Science.2016; 28(5): 1636. CrossRef
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