Comparison of the Symmetry of Right and Left Lateral Cervical Flexion and
Rotation and the Cervical FRR in Young Computer Workers |
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| Authors: | Won-gyu Yoo |
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| Institution: | 1) Department of Physical Therapy, College of Biomedical Science and Engineering, Inje University, Republic of Korea |
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| Abstract: | Purpose] This study compared the symmetry of right and left lateral cervical flexion
and rotation, and the cervical flexion-relaxation ratio (FRR) in young computer workers in
Korea. Subjects and Methods] Twenty computer workers (14 males and 6 females)
participated in this study. We measured their right and left lateral cervical flexion,
rotation, and FRR. Results] Right and left lateral flexion and right and left rotation
showed no significant differences between the sides. The left cervical FRR was
significantly lower than the right cervical FRR. Conclusion] The cervical FRR, expressed
as a numerical value, is a more sensitive marker for measuring neuromuscular changes
associated with mild asymmetry than CROM.Key words: Cervical range of motion, Flexion-relaxation ratio, Muscle imbalance |
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