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KMID : 1195020200160010049
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Archives of Orthopedic and Sports Physical Therapy
2020 Volume.16 No. 1 p.49 ~ p.54
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Noninvasive Cortical Stimulation for the Motor Function Rehabilitation of the Elderly with Chronic Back Pain: Preliminary Feasibility Study
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Lim Jong-Min
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Abstract
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Purpose: The purpose of this study is to investigate the effect of transcranial direct current stimulation (tDCS)over the dorsolateral prefrontal cortex (dlPFC) on pain intensity and functional strength in the elderly withchronic back pain.
Methods: Sixteen elderly (72 ± 5.16 yrs) with chronic back pain participated in this randomized double-blindedcrossover study. Each participant received both sham and 2-mA anodal currents over left dlPFC (cathodeover the seventh cervical spinous process) for 20 min during 2 weeks for each current type with a washoutperiod of 2 days between two different current stimulation periods. Pain intensity, functional lift strength, andthe fear-avoidance response of all the participants were evaluated.
Results: There were no significant differences in all pain-related variables between the 2mA stimulation periodand the sham stimulation period. However, for results by within-group analysis in each stimulation period,we found significant improvements in pain intensity (p=.02), functional strength, (p=.006) and fear-avoidanceresponse (p=.002) only after 2mA stimulation period, while there were no significant changes after shamstimulation.
Conclusion: The current study demonstrated that anodal tDCS over dlPFC improve the painful feelings,followed by the functional strength for lifting task.
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KEYWORD
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Brain stimulation, Chronic pain, Functional rehabilitation, Geriatric healthcare, Motor performance
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