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A study on the paraspinal muscle surface electromyography in acute nonspecific lower back pain.
Medicine (Baltimore) 2019; 98(34):e16904M

Abstract

Aim of this study was to determine if surface electromyography (sEMG) could provide objective data in monitoring the alteration of signal amplitude of myoelectric activity of the paraspinal muscles in the patients with acute nonspecific lower back pain (ANLBP), and to explore the correlation between sEMG data and symptom relief in the ANLBP patients before and after massage therapy.Forty-five ANLBP patients and 20 healthy subjects were enrolled into this study. Patients were given massage therapy for 1 week. The average electromyography (AEMG), visual analogue scale (VAS), and distance of finger to floor (DFTF) were measured before and after treatment.AEMG at flexion and maintained flexion positions were significantly higher in the ANLBP group compared to that in the control group. At extension position, in contrast, AEMG was significantly lower in the ANLBP patients than that of control group, and there was no significant difference between the 2 groups at upright position. After massage therapy for the ANLBP patients, AEMG was significantly reduced at flexion and maintained flexion positions, but significantly increased at extension position than that before treatment. VAS and DFTF were also significantly reduced after treatment. In addition, AEMG alteration at maintained flexion position was significantly correlated with improvement of VAS or DFTF.Myoelectric activity of the paraspinal muscles in the ANLBP patients was different from that of healthy subjects. Massage therapy not only relived patients' symptoms, but also normalized myoelectric activity of the paraspinal muscles in the ANLBP patients.

Authors+Show Affiliations

Department of Pain Management, Wuhan No. 1 Hospital, Wuhan, Hubei.Department of Pain Management, Wuhan No. 1 Hospital, Wuhan, Hubei.Department of Orthopedic Surgery, Wangjing Hospital of CACMS, Beijing, China.Department of Pain Management, Wuhan No. 1 Hospital, Wuhan, Hubei.

Pub Type(s)

Journal Article
Observational Study

Language

eng

PubMed ID

31441870

Citation

Qiao, Jie, et al. "A Study On the Paraspinal Muscle Surface Electromyography in Acute Nonspecific Lower Back Pain." Medicine, vol. 98, no. 34, 2019, pp. e16904.
Qiao J, Zhang SL, Zhang J, et al. A study on the paraspinal muscle surface electromyography in acute nonspecific lower back pain. Medicine (Baltimore). 2019;98(34):e16904.
Qiao, J., Zhang, S. L., Zhang, J., & Feng, D. (2019). A study on the paraspinal muscle surface electromyography in acute nonspecific lower back pain. Medicine, 98(34), pp. e16904. doi:10.1097/MD.0000000000016904.
Qiao J, et al. A Study On the Paraspinal Muscle Surface Electromyography in Acute Nonspecific Lower Back Pain. Medicine (Baltimore). 2019;98(34):e16904. PubMed PMID: 31441870.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - A study on the paraspinal muscle surface electromyography in acute nonspecific lower back pain. AU - Qiao,Jie, AU - Zhang,Shu-Li, AU - Zhang,Jun, AU - Feng,Dan, PY - 2019/8/24/entrez PY - 2019/8/24/pubmed PY - 2019/9/4/medline SP - e16904 EP - e16904 JF - Medicine JO - Medicine (Baltimore) VL - 98 IS - 34 N2 - Aim of this study was to determine if surface electromyography (sEMG) could provide objective data in monitoring the alteration of signal amplitude of myoelectric activity of the paraspinal muscles in the patients with acute nonspecific lower back pain (ANLBP), and to explore the correlation between sEMG data and symptom relief in the ANLBP patients before and after massage therapy.Forty-five ANLBP patients and 20 healthy subjects were enrolled into this study. Patients were given massage therapy for 1 week. The average electromyography (AEMG), visual analogue scale (VAS), and distance of finger to floor (DFTF) were measured before and after treatment.AEMG at flexion and maintained flexion positions were significantly higher in the ANLBP group compared to that in the control group. At extension position, in contrast, AEMG was significantly lower in the ANLBP patients than that of control group, and there was no significant difference between the 2 groups at upright position. After massage therapy for the ANLBP patients, AEMG was significantly reduced at flexion and maintained flexion positions, but significantly increased at extension position than that before treatment. VAS and DFTF were also significantly reduced after treatment. In addition, AEMG alteration at maintained flexion position was significantly correlated with improvement of VAS or DFTF.Myoelectric activity of the paraspinal muscles in the ANLBP patients was different from that of healthy subjects. Massage therapy not only relived patients' symptoms, but also normalized myoelectric activity of the paraspinal muscles in the ANLBP patients. SN - 1536-5964 UR - https://www.unboundmedicine.com/medline/citation/31441870/A_study_on_the_paraspinal_muscle_surface_electromyography_in_acute_nonspecific_lower_back_pain L2 - http://Insights.ovid.com/pubmed?pmid=31441870 DB - PRIME DP - Unbound Medicine ER -