Effects of electroacupuncture on muscle state and electrophysiological changes in rabbits with lumbar nerve root compression

Yi-jun Sun; Yao-chi Wu; Jun-feng Zhang; Peng Zhang; Zhan-ying Tang

doi:10.1007/s11655-013-1340-3

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Effects of electroacupuncture on muscle state and electrophysiological changes in rabbits with lumbar nerve root compression

Updated：2021-08-27

- Effects of electroacupuncture on muscle state and electrophysiological changes in rabbits with lumbar nerve root compression
- Chinese Journal of Integrative Medicine Vol. 19, Issue 6, Pages: 446-452(2013)
- Affiliations：
  
  1. Department of Acupuncture, Tuina and Traumatology, The Sixth People’s Hospital Affiliated to Shanghai Jiaotong University,Shanghai,China
  2. Molecule Bone Biology Lab, ANZAC Research Institute, University of Sydney,Sydney,Australia
  3. Spine Research Institute Affiliated to Shanghai University of Traditional Chinese Medicine,Shanghai,China
- Author bio：
- Funds：
- DOI：10.1007/s11655-013-1340-3
  CLC：
- Published：2013，
  
  Published Online：20 June 2013，
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Sun, Yj., Wu, Yc., Zhang, Jf. et al. Effects of electroacupuncture on muscle state and electrophysiological changes in rabbits with lumbar nerve root compression., Chin. J. Integr. Med. 19, 446–452 (2013). https://doi.org/10.1007/s11655-013-1340-3

Yi-jun Sun, Yao-chi Wu, Jun-feng Zhang, et al. Effects of electroacupuncture on muscle state and electrophysiological changes in rabbits with lumbar nerve root compression. [J]. Chinese Journal of Integrative Medicine 19(6):446-452(2013)
Sun, Yj., Wu, Yc., Zhang, Jf. et al. Effects of electroacupuncture on muscle state and electrophysiological changes in rabbits with lumbar nerve root compression., Chin. J. Integr. Med. 19, 446–452 (2013). https://doi.org/10.1007/s11655-013-1340-3 DOI：

Yi-jun Sun, Yao-chi Wu, Jun-feng Zhang, et al. Effects of electroacupuncture on muscle state and electrophysiological changes in rabbits with lumbar nerve root compression. [J]. Chinese Journal of Integrative Medicine 19(6):446-452(2013) DOI： 10.1007/s11655-013-1340-3.

摘要

To observe the effects of electroacupuncture on force-displacement value (FDV) of muscle state and electrophysiology of the muscle in rabbits with lumbar nerve root compression. Thirty New Zealand white rabbits were randomly divided into a control

a model

an electro-acupuncture acupoints (EAA)

a medication

and an electro-acupuncture un-acupoints (EAU) group. All rabbits except those in the control group were subject to modeling (surgical lumbar nerve root compression). The control group was sham-operated without nerve root compression. The EAA group received electro-acupuncture at bilateral Shenshu (BL23) and Dachangshu (BL25) that were located 1.5 cun lateral to the posterior midline on the lower border of the spinous process of the 2nd and 4th lumbar vertebra

respectively. The EA was 15 mm deep and the frequency was 2 Hz. Each session lasted for 20 min per day for a total of 14 times. The medication group was treated with Loxoprofen sodium by gastrogavage at 4 mg/kg per day for 14 days. The EAU group received electro-acupuncture identical to the EAA group with regard to the treatment frequency and duration except a different acupoint at the tip of rabbit tail. Muscle states were determined by measuring FDVs of the bilateral biceps femoris using the Myotonometer® fast muscle state detector. Meanwhile

the prolonged and non-prolonged insertion potentials were measured by electromyography before and after modeling and after treatment. Latency

amplitude (Amp) of evoked potential

motor nerve conduction velocity (MNCV) were also determined after treatment. (1) After modeling

FDVs of right side activation (RSA

P=0.003) and right side relaxation (RSR) in the model group (P=0.000) were significantly decreased in comparison to the control group. The number of rabbits with non-prolonged insertion potentials in the model group was also significantly decreased (P=0.015) in comparison to the control group. (2) After treatment

FDVs of RSR were significantly increased in the EAA (P=0.000) and medication groups (P=0.018) in comparison to the model group. The increase in FDVs of RSR in the EAA group was significantly higher than that in EAU (P=0.000) and medication groups (P=0.002). MNCV in the model group was reduced compared with the control group (P=0.000). The reduction in MNCV after modeling was reversed in the EAA group (P=0.000) and medication group (P=0.008) after treatment and the increases were significant in both treatment groups in comparison to the model group. The EAA group had a greater MNCV recovery than the medication group (P=0.022). Electro-acupuncture could improve the rehabilitation and regeneration of FDVs and the electrophysiology index of the muscle with nerve control impairment.

Abstract

a model

an electro-acupuncture acupoints (EAA)

a medication

the prolonged and non-prolonged insertion potentials were measured by electromyography before and after modeling and after treatment. Latency

amplitude (Amp) of evoked potential

motor nerve conduction velocity (MNCV) were also determined after treatment. (1) After modeling

FDVs of right side activation (RSA

关键词

compressionnerve regenerationelectro-acupunctureelectrophysiologymuscular tension

Keywords

compressionnerve regenerationelectro-acupunctureelectrophysiologymuscular tension

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