Effects of breathing re-education on endurance, strength of deep neck flexors and pulmonary function in patients with chronic neck pain: A randomised controlled trial.

IF 1 Q4 REHABILITATION South African Journal of Physiotherapy Pub Date : 2022-04-26 eCollection Date: 2022-01-01 DOI:10.4102/sajp.v78i1.1611

Sahreen Anwar, Syed A Arsalan, Hamayun Zafar, Ashfaq Ahmed, Syed A Gillani, Asif Hanif

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Abstract

Background: People with chronic neck pain show decreased endurance and strength of cervical muscles with compromised respiratory function. There is little evidence that improvement in breathing function of people with neck pain can help in enhancing cervical muscle strength and pulmonary function. The objective of this our clinical trial was to examine the effects of breathing re-education combined with physiotherapy on endurance and strength of deep neck flexors, and pulmonary function in patients with chronic neck pain.

Methods/design: In this double blind randomised clinical trial, 30 patients with chronic neck pain (25-50 years old) were randomly allocated to two groups. Group A, physiotherapy (n = 15), and Group B, breathing re-education (n = 15). The duration of intervention was eight weeks with treatment five days a week. The endurance was measured with the craniocervical flexion test, strength with a handheld dynamometer (Baseline USA) and pulmonary functions with the Spiro lab 4 (USA) at baseline, at week four and at week eight of the intervention.

Discussion: There was a significant between group improvement in the strength of deep neck flexors and forced vital capacity (FVC) in Group B p = 0.0001 and p = 0.0200 (p ˂ 0.05) respectively. Intergroup comparisons showed no significant differences for endurance, cervical extensor strength, Forced Expiratory Volume in one second (FEV1), and FEV1/FVC percentage.

Conclusion: Our study concluded that breathing re-education combined with other physiotherapy management is effective for improving the strength of neck flexors and increasing FVC in people with chronic neck pain.

Clinical implication: Breathing re-education may be part of physiotherapy management in patients with chronic neck pain.

Trial registration: Iranian Registry of Clinical Trials, IRCT20200226046623N1, https://www.irct.ir/trial/46240.

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呼吸再教育对慢性颈痛患者的耐力、颈深屈肌力量和肺功能的影响：随机对照试验

背景：慢性颈部疼痛患者的颈部肌肉耐力和力量下降，呼吸功能受损。很少有证据表明，改善颈痛患者的呼吸功能有助于增强颈部肌肉力量和肺功能。我们的这项临床试验旨在研究呼吸再教育与物理治疗相结合对慢性颈痛患者颈部深屈肌耐力和力量以及肺功能的影响：在这项双盲随机临床试验中，30 名慢性颈部疼痛患者（25-50 岁）被随机分配到两组。A 组为物理治疗组（15 人），B 组为呼吸再教育组（15 人）。干预时间为八周，每周治疗五天。在干预的基线、第四周和第八周，分别使用颅颈屈曲测试测量耐力，使用手持式测力计（美国基线）测量力量，使用 Spiro lab 4（美国）测量肺功能：讨论：B 组的颈深屈肌力量和用力肺活量（FVC）在组间有明显改善，分别为 p = 0.0001 和 p = 0.0200（p ˂ 0.05）。组间比较显示，耐力、颈伸肌力量、一秒钟内用力呼气容积（FEV1）和 FEV1/FVC 百分比无显著差异：我们的研究得出结论：呼吸再教育与其他物理治疗方法相结合，能有效改善慢性颈痛患者的颈屈肌力量并增加其 FVC：临床意义：呼吸再教育可作为慢性颈痛患者物理治疗的一部分：伊朗临床试验登记处，IRCT20200226046623N1，https://www.irct.ir/trial/46240。

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