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首页> 外文期刊>Spine >Patients with neck pain demonstrate reduced electromyographic activity of the deep cervical flexor muscles during performance of the craniocervical flexion test.
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Patients with neck pain demonstrate reduced electromyographic activity of the deep cervical flexor muscles during performance of the craniocervical flexion test.

机译：颈部疼痛患者表现出在执行颈曲屈试验中颈深屈肌的肌电活动降低。

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STUDY DESIGN: Cross-sectional study. OBJECTIVE: The present study compared activity of deep and superficial cervical flexor muscles and craniocervical flexion range of motion during a test of craniocervical flexion between 10 patients with chronic neck pain and 10 controls. SUMMARY OF BACKGROUND DATA: Individuals with chronic neck pain exhibit reduced performance on a test of craniocervical flexion, and training of this maneuver is effective in management of neck complaints. Although this test is hypothesized to reflect dysfunction of the deep cervical flexor muscles, this has not been tested. METHODS: Deep cervical flexor electromyographic activity was recorded with custom electrodes inserted via the nose and fixed by suction to the posterior mucosa of the oropharynx. Surface electrodes were placed over the superficial neck muscles (sternocleidomastoid and anterior scalene). Root mean square electromyographic amplitude and craniocervical flexion range of motion was measured during five incremental levels of craniocervical flexion in supine. RESULTS: There was a strong linear relation between the electromyographic amplitude of the deep cervical flexor muscles and the incremental stages of the craniocervical flexion test for control and individuals with neck pain (P = 0.002). However, the amplitude of deep cervical flexor electromyographic activity was less for the group with neck pain than controls, and this difference was significant for the higher increments of the task (P < 0.05). Although not significant, there was a strong trend for greater sternocleidomastoid and anterior scalene electromyographic activity for the group with neck pain. CONCLUSIONS: These data confirm that reduced performance of the craniocervical flexion test is associated with dysfunction of the deep cervical flexor muscles and support the validity of this test for patients with neck pain.
机译：研究设计：横断面研究。目的：本研究比较了10例慢性颈痛患者和10例对照者的颅颈屈曲测试过程中颈深部和浅表屈肌的活动以及颅颈屈曲的运动范围。背景数据摘要：患有慢性颈痛的人在进行颅颈屈曲测试时表现降低，而对这种动作的训练可有效治疗颈部不适。尽管该测试被认为反映了颈深屈肌的功能障碍，但尚未进行测试。方法：记录定制的电极通过鼻子插入并通过吸力固定在口咽后粘膜上，记录深颈屈肌肌电活动。将表面电极放置在浅表颈部肌肉（胸锁乳突肌和前斜角肌）上。在仰卧位的5个递增水平的颈动脉屈曲过程中，测量均方根肌电图振幅和颅颈屈曲运动范围。结果：对于对照组和颈痛患者，深颈屈肌的肌电图振幅与颅颈屈曲试验的递增阶段之间存在很强的线性关系（P = 0.002）。然而，颈痛组的深屈肌肌电活动幅度比对照组小，并且这种差异对于更高的任务增量是显着的（P <0.05）。尽管不显着，但颈痛组的胸锁乳突肌和前斜角肌电图活动呈强烈趋势。结论：这些数据证实，颅颈屈肌测试性能降低与颈深屈肌功能障碍有关，并支持该测试对颈部疼痛患者的有效性。

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