BACKGROUND: One of the main problems faced by physiotherapists in primary care is low back pain with or without radiation to lower limbs. There are many different treatment approaches for the management of low back pain. Despite the large amount of published studies, the evidence remains contradictory. OBJECTIVE: To evaluate the influence of the osteopathic manipulation of the sacroiliac joint on low back pain with or without radiation to lower limbs. METHOD: Single-blind randomized clinical controlled trial. Participants with low back pain with or without lower limb radiation were randomized to osteopathic manipulation of the sacroiliac joint group (intervention, 6 sessions) or to an electrotherapy group (control, 15 sessions) for 3 weeks. Measures were taken at baseline (week 0) and post-intervention (week 4). The primary outcome measures were pain (Visual Analogue Scale), functional disability (Oswestry disability index and Roland Morris questionnaire). The secondary outcome measure was pain threshold at muscular tender points in the quadratus lumborum, pyramidal, mayor gluteus, and hamstrings. RESULTS: In all, 37 participants completed the study. The results of the intragroup comparisons showed statistically significant improvements in both groups in the visual analogue scale (Osteopathic manipulation group, P= 0.000; Electrotherapy group, P= 0.005) and Oswestry disability index (Osteopathic manipulation group, P= 0.000; Electrotherapy group- P= 0.026) but not in the Roland Morris questionnaire (P= 0.121), which only improved in the intervention group (P= 0.01). The osteopathic manipulation was much more effective than electrotherapy improving to pain and functional disability. CONCLUSION: Osteopathic manipulation of the sacroiliac joint improves pain and disability in patients with sacroiliac dysfunction after three weeks of treatment.

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骶髂关节整骨疗法与电疗对腰痛患者疼痛和功能障碍的影响：一项初步研究

背景：物理治疗师在初级保健中面临的主要问题之一是下肢放射或不放射的腰痛。有许多不同的治疗方法可用于治疗腰痛。尽管有大量已发表的研究，但证据仍然相互矛盾。目的：评估骶髂关节整骨疗法对下肢放射或不放射下腰痛的影响。方法：单盲随机临床对照试验。有或没有下肢放疗的腰痛参与者被随机分配到骶髂关节整骨疗法组（干预，6 次）或电疗组（对照组，15 次），持续 3 周。在基线（第 0 周）和干预后（第 4 周）采取措施。主要结果指标是疼痛（视觉模拟量表）、功能障碍（Oswestry 残疾指数和 Roland Morris 问卷）。次要结果指标是腰方肌、锥体肌、臀大肌和腘绳肌肌肉压痛点的痛阈值。结果：总共有 37 名参与者完成了研究。组内比较的结果显示，两组在视觉模拟量表（整骨疗法组，P=0.000；电疗组，P=0.005）和 Oswestry 残疾指数（整骨疗法组，P=0.000；电疗组）方面均有统计学意义的改善- P= 0.026) 但在 Roland Morris 问卷中没有 (P= 0.121)，这仅在干预组有所改善 (P= 0.01)。整骨疗法比电疗法更有效地改善疼痛和功能障碍。结论：骶髂关节的整骨疗法在治疗三周后改善了骶髂关节功能障碍患者的疼痛和残疾。