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KMID : 1151220160220020051
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Journal of Korean Academy of Orthopedic Manual Therapy
2016 Volume.22 No. 2 p.51 ~ p.56
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Comparison of Movement Axis Change during Cervical Flexion and Extension according to Cervical Lordosis Angle to Scoliosis Patients
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Kwon Won-An
HwangBo Pil-Neo
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Abstract
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Background: The purpose of this study is to compare axis change during cervical flexion and extension according to lordosis angle to patients with scoliosis.
Methods: Movement axis change was estimated during cervical flexion and extension in twenty-four scoliosis patients with hypolordosis using radiography. Subjects were divided into mild lordotic curve group (MLCG, n=12, 34∼25°) and severe lordotic curve group (SLCG, n=12, less 25°) according to cervical lordosis angle.
Results: During cervical flexion, both group showed movement axis change to upper part of cervical vertebra and SLCG showed greater than MLCG but there is no significant difference. During cervical extension, SLCG showed greater than MLCG and there is significant difference.
Conclusion: It is considered that cervical hypolordosis acts as important factor to scoliosis and degenerative joint disease because it leads to change of movement axis and central route of joint.
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KEYWORD
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Cervical hypo lordosis , Movement axis , Scoliosis
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