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KMID : 1211620160110040139
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Journal of the Korean Society of Physical Medicine
2016 Volume.11 No. 4 p.139 ~ p.146
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Effect of Craniocervical Flexion Exercise with Masticatory Muscle Contraction on Deep Cervical Muscle Thickness and Neck Disability Index in Patient with Neck Pain
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Park Eun-Soo
Choi Ho-Suk
Shin Won-Seob
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Abstract
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PURPOSE: The purpose of this study was to determine the effect of craniocervical flexion exercise with masticatory muscle contraction in patients with neck pain. Patients with neck pain also experience muscle weakness and limitation of activities of daily living. Craniocervical flexion exercise with masticatory muscle contraction may increase the thickness of the deep cervical flexor muscles, thereby reducing pain and limitations on activities of daily living.
METHODS: Twenty-six volunteers participated in this study. The subjects were randomly divided into an experimental group (n=13) and a control group (n=13). Both groups performed craniocervical flexion exercise using a pressure biofeedback unit; the experimental group performed craniocervical flexion exercise with masticatory muscle contraction for 20 minutes, 3 times a week for 4 weeks. Assessment tools included ultrasonography for measurement of muscle thickness and the Neck Disability Index for the level of pain and function.
RESULTS: The rate of change in muscle thickness in both groups significantly increased (p<.05), with a significantly greater increase in the experimental group than in the control group (p<.05). The Neck Disability Index score significantly improved (p<.05) in both groups, with significantly greater improvement in the experimental group compared with the control group (p<.05).
CONCLUSION: These results suggest that craniocervical flexion exercise with masticatory muscle contraction can be effective in increasing muscle thickness and improving the Neck Disability Index score in patients with neck pain.
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KEYWORD
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Craniocervical flexion exercise, Deep cervical flexor, Masticatory muscle contraction
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