Index to Chiropractic Literature
Index to Chiropractic Literature
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ID 26595
  Title Influence of forward head posture on cervicocephalic kinesthesia and electromyographic activity of neck musculature in asymptomatic individuals
URL https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7835487/?report=classic
Journal J Chiropr Med. 2020 Dec;19(4):230-240
Author(s)
Subject(s)
Peer Review Yes
Publication Type Article
Abstract/Notes

Objective: The purpose of this study was to compare cervicocephalic kinesthesia and electromyographic (EMG) activity of neck muscles—upper trapezius (UT) and sternocleidomastoid (SCM)—between individuals with and without forward head posture (FHP) and to examine the correlation between cervicocephalic kinesthesia and craniovertebral angle (CVA).

Methods: Twenty-two asymptomatic individuals with FHP and 22 without FHP were recruited for the present study. Craniovertebral angle was measured, and those with CVA ≤53° were assigned to the FHP group, whereas those with CVA >53° were assigned to the control group. Thereafter, cervicocephalic kinesthesia and EMG activity of the neck muscles were assessed. Cervicocephalic kinesthesia was measured using a head repositioning accuracy test for all cervical spine motions. EMG activity of the UT and SCM muscles was recorded at rest and during activity.

Results: Position-sense error values were found to be significantly greater for all directions—ie, flexion, extension, side flexion, and rotation—in participants with FHP than those without (P < .05). EMG activity of the UT and SCM muscles was found to be significantly raised both at rest and during activity in individuals with FHP relative to the non-FHP group (P < .05). Position-sense error values showed a significant inverse correlation with CVA (P < .05).

Conclusion: Findings of the present study suggest that cervicocephalic kinesthesia and activation patterns of the neck muscles may be significantly altered in individuals with FHP. Also, cervicocephalic kinesthesia is significantly associated with the severity of FHP.

Author keywords: Posture; Electromyography; Neck

Author affiliations: AK, ZK: Centre for Physiotherapy and Rehabilitation Sciences, Jamia Millia Islamia, New Delhi, India; PB, EH: Faculty of Physiotherapy, Shree Guru Gobind Singh Tricentenary University, Gurugram, Haryana, India

This abstract is reproduced with the permission of the publisher; click on the above link for free full text.  PubMed Record | PDF

 
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