Marijan Peharec, Stanislav Peharec, Vedran Srhoj-Egekher, R. Jerković, Dean Girotto, G. Starčević-Klasan
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The lumbar spine and pelvis flexion was recorded using optoelectronic motion capture system. The electrical activity of the erector spinae muscles was assessed by surface electromyography during flexion-extension movements. Comparisons between groups were made using one-way ANOVA tests and Mann–Whithney U test with the level of statistical significance at 0.05. The lumbar and pelvic flexion and electromyography of the erector spinae muscle showed significant differences between LBP and LBPR patients compared to CG. Patients LBPR showed significantly smaller angles of lumbar and pelvic flexion compared to LBP patients and CG. An increase in the erector spinae muscle activity during flexion was also observed in patients with radiculopathy. The increased muscular activity of the erector spinae is related to the reduced flexion of the lumbar spine in order to protect the lumbar spine structure. 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引用次数: 0
摘要
尽管腰椎和骨盆屈曲的测量结果表明,与腰痛患者相比,根性腰椎病患者的腰椎和骨盆活动度下降幅度更大,但关于根性腰椎病患者屈曲松弛比的变化仍缺乏证据。本研究旨在调查腰背痛(LBP)和腰背痛伴根性神经病(LBPR)患者与健康人(CG-对照组)相比,腰椎和骨盆的屈曲松弛比和屈曲情况。共有 146 名参与者被分为三组:LBP患者(54名男性;21名女性);LBPR患者(26名男性;11名女性);CG受试者(16名男性;18名女性)。使用光电运动捕捉系统记录腰椎和骨盆的弯曲情况。通过表面肌电图评估屈伸运动时竖脊肌的电活动。组间比较采用单因素方差分析和 Mann-Whithney U 检验,统计学显著性水平为 0.05。腰椎间盘突出症和腰椎间盘突出症患者的腰椎和骨盆屈曲以及竖脊肌肌电图与普通人相比有显著差异。腰椎间盘突出症患者的腰椎和骨盆屈曲角度明显小于腰椎间盘突出症患者和肌肉萎缩症患者。在神经根病患者中也观察到了屈曲时竖脊肌活动的增加。竖脊肌活动增加与腰椎屈曲度降低有关,以保护腰椎结构。对躯干、腰椎和骨盆的屈曲度以及屈曲松弛比进行测量,可帮助我们预测未来腰椎间盘突出症患者的治疗效果或反应性。
The Flexion Relaxation Phenomenon in Patients with Radiculopathy and Low Back Pain: A Cross-Sectional Study
Although the measurements of the lumbar spine and pelvic flexion have shown that subjects with radiculopathy exhibited greater decreases of motion when compared with subjects with low back pain, there is still a lack of evidence regarding the changes in flexion relaxation ratio in patients with radiculopathy. The aims of this study were to investigate the flexion relaxation ratio and flexion of the lumbar spine and pelvis in subjects with low back pain (LBP) and LBP with radiculopathy (LBPR) in comparison with healthy subjects (CG—control group). A total of 146 participants were divided in three groups: LBP patients (54 males; 21 females); LBPR patients (26 males; 11 females); and CG subjects (16 males; 18 females). The lumbar spine and pelvis flexion was recorded using optoelectronic motion capture system. The electrical activity of the erector spinae muscles was assessed by surface electromyography during flexion-extension movements. Comparisons between groups were made using one-way ANOVA tests and Mann–Whithney U test with the level of statistical significance at 0.05. The lumbar and pelvic flexion and electromyography of the erector spinae muscle showed significant differences between LBP and LBPR patients compared to CG. Patients LBPR showed significantly smaller angles of lumbar and pelvic flexion compared to LBP patients and CG. An increase in the erector spinae muscle activity during flexion was also observed in patients with radiculopathy. The increased muscular activity of the erector spinae is related to the reduced flexion of the lumbar spine in order to protect the lumbar spine structure. Measurements of trunk, lumbar spine and pelvic flexion, and the flexion relaxation ratio may allow us to predict better outcomes or responsiveness to treatment of LBPR patients in the future.