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Journal of Modern Rehabilitation، جلد ۱۶، شماره ۲، صفحات ۴۲۰-۴۲۰
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| عنوان فارسی |
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| چکیده فارسی مقاله |
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| کلیدواژههای فارسی مقاله |
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| عنوان انگلیسی |
Investigation of Flexion-Relaxation Ratio Symmetry in Subjects with and Without Non-Specific Chronic Neck Pain |
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| چکیده انگلیسی مقاله |
Background: Neuromuscular Imbalance between right and left sides of cervical erector spinae (CES) muscles can induce pain by loading the spine incorrectly. This study evaluated the symmetry of right and left cervical flexion-relaxation ratio (FRR) in patients with non-specific chronic neck pain (NSCNP) and healthy subjects.
Objective: This study aimed to investigate the symmetry of FRR on the right and left sides of the CES in individuals with and without NSCNP.
Methods: Twenty-five patients with NSCNP and 25 healthy subjects participated in this study. The surface electromyography activity of CES muscles during four phases of flexion and extension task was recorded. Unilateral FRR in both of right and left sides of CES muscles was calculated and compared with each other in each group.
Results: Only in NSCNP patients, FRR in the right erector spinae was significantly higher than that in the left erector spinae (p < 0.05).Also, FRR for bilateral CES was significantly higher in healthy subjects than in NSCNP patients (P < 0.001).
Conclusions: The result of this study indicated that there is a greater FRR asymmetry in CES muscles in NSCNP patients than in healthy subjects. This asymmetry is probably due to the dominance of the limb. Moreover, asymmetric FRR as a kind of neuromuscular imbalance may lead to pain due to imposes asymmetric loads on spine structures. |
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| کلیدواژههای انگلیسی مقاله |
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| نویسندگان مقاله |
| Hasan Shamsi
Department of Physiotherapy, School of Rehabilitation, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| Khosro Khademi-Kalantari
Department of Physiotherapy, School of Rehabilitation, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| Farshad Okhovatian
Department of Physiotherapy, School of Rehabilitation, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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| نشانی اینترنتی |
https://jmr.tums.ac.ir/index.php/jmr/article/view/420 |
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