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KMID : 1211620110060040497
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Journal of the Korean Society of Physical Medicine
2011 Volume.6 No. 4 p.497 ~ p.504
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The suggestion of Proper Pressure level in Cranio-Cervical Flexion Exercise for Deep Cervical Flexor by Ultrasonographic Measurement
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Jun Deok-Hoon
Dennis W Fell.
Kim-Kyoung
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Abstract
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Purpose: Chronic cervical pain is a common source of disability in society. There has been no research regarding the amount of pressure for the deep cervical flexors during cranio-cervical flexion exercise (CCFE). The purpose of this study is to determine optimal pressure levels to facilitate deep cervical muscles (longus colli & longus capitis) during cranio-cervical flexion exercise, using ultrasound measurement of the muscles.
Methods: Using a cross-sectional design, the study was performed in an experimental group of 19 subjects (7 men, 12 women) with no cervical pain. Participants were instructed to perform the CCFE, and during the five incremental stages of the test, changes in thickness, as compared to resting baseline values, were measured using ultrasonography for sternocleidomastoid muscle (SCM) and deep cervical muscles (DCF).
Results: Both DCF and SCM muscles demonstrated an increase in recruitment with each progressive phase of the test. In comparing the different pressure increments, the most significant changes found in DCF thickness were between phase 2 and phase 3 (p<.05). However no differences were found between pressure increments for SCM thickness (p>.05).
Conclusion: The results suggest 26 mm Hg as the optimal pressure level during cranio-cervical flexion exercise for facilitation of deep cervical flexor.
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KEYWORD
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ultrasonography, deep cervical flexor, muscle thickness, cranio-cervical flexion exercise
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