Chinese Journal of Rehabilitation Theory and Practice ›› 2024, Vol. 30 ›› Issue (6): 737-744.doi: 10.3969/j.issn.1006-9771.2024.06.015

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Effect of respiratory training based on core stability training on feedforward control in patients with chronic nonspecific low back pain

CHEN Linghui, ZHENG Qi, LI Yan, FU Jianming, ZENG Ming, JIN Xin(), LU Jingjing   

  1. Department of Rehabiliation Medical Center, Jiaxing Second Hospital, Jiaxing, Zhejiang 314000, China
  • Received:2024-02-26 Published:2024-06-25 Online:2024-07-03
  • Supported by:
    Zhejiang Province Medical and Health Technology Plan(2022KY379);Zhejiang Province Medical and Health Technology Plan(2023KY1204)

Abstract:

Objective To investigate the effect of respiratory training based on core stability training on feedforward control in patients with chronic nonspecific low back pain (CNLBP).

Methods A total of 60 patients with CNLBP in Jiaxing Second Hospital from January, 2022 to March, 2023 were randomly divided into control group (n = 30) and experimental group (n = 30). Both groups received health education, physical factor therapy and core stability training, while the experimental group received respiratory training in addition, for four weeks. Visual Analogue Scale (VAS) score, Japanese Orthopaedic Association low back pain (JOA) score and Oswestry Dysfunction Index (ODI) were compared between two groups before and after treatment, while surface electromyography was used to detect the root mean square (RMS) and integrated electromyography (iEMG) of transversus abdominis, multifidus and triceps (movement muscles), and the activation sequence and relative activation time of transversus abdominis, multifidus and triceps were calculated.

Results After treatment, the scores of VAS, JOA and ODI improved significantly in both groups (|t| > 8.515, P < 0.001), and the scores were better in the experimental group than in the control group (|t| > 2.089, P < 0.05). RMS and iEMG of transversus abdominis and multifidus improved significantly after treatment in both groups (|t| > 18.831, P < 0.001), and were significantly better in the experimental group (|t| > 3.481, P < 0.05). The transversus abdominis and multifidus in both groups were activated before the movement muscles, and the relative activation time of transversus abdominis and multifidus increased in negative (|t| > 48.115, P < 0.001), the experimental group being better (|t| > 3.229, P < 0.05).

Conclusion Combination of core stability training and respiratory training is beneficial in reducing the pain of patients with CNLBP, reducing the lumbar dysfunction, improving the order of muscle activation, and strengthening feedforward control.

Key words: chronic nonspecific low back pain, respiratory training, feedforward control, surface electromyography

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