한국전문물리치료학회지 (Physical Therapy Korea)

  • 제22권4호
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  • Pages.44-50
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  • 2015
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  • 1225-8962(pISSN)
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  • 2287-982X(eISSN)
한국전문물리치료학회 (Korean Research Society of Physical Therapy)
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Comparison of the Thickness of the Neck Flexor Muscles of Subjects With and Without a Forward Head Posture on the Two Initial Head Positions During Cranio-Cervical Flexion Exercise

  • Jung, Sung-hoon (Kinetic Ergocise Based on Movement Analysis Laboratory) ;
  • Kwon, Oh-yun (Kinetic Ergocise Based on Movement Analysis Laboratory) ;
  • Choi, Kyu-hwan (Dept. of Physical Therapy, Ansan University) ;
  • Ha, Sung-min (Dept. of Physical Therapy, College of Health Science, Sangji University) ;
  • Kim, Su-jung (Dept. of Physical Therapy, College of Health Sciences, Youngsan University) ;
  • Jeon, In-cheol (Kinetic Ergocise Based on Movement Analysis Laboratory) ;
  • Hwang, Ui-jae (Kinetic Ergocise Based on Movement Analysis Laboratory)
  • 투고 : 2015.10.08
  • 심사 : 2015.11.08
  • 발행 : 2015.11.19
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초록

This study compared the effects of the initial head position (i.e., a HHP versus a relaxed head position) of subjects with and without a FHP on the thickness of the deep and superficial neck flexor muscles during CCF. The study recruited 6 subjects with a FHP and 10 subjects without a FHP. The subjects performed CCF in two different head positions: a HHP, with the head aligned so that the forehead and chin formed a horizontal line, and a relaxed head position (RHP), with the head aligned in a self-selected comfortable position. During the CCF exercise, the thickness of the longus colli (LCo) and the thickness of the sternocleidomastoid (SCM) were recorded using ultrasonography. The thickness of each muscle was measured by Image J software. The statistical analysis was performed with a two-way mixed-model analysis of variance. The thickness of the SCM differed significantly (p<.05) between the subjects with and without FHP. According to a post $h^{\circ}C$ independent t-test, the change in thickness of the SCM increased significantly during CCF in the subjects with FHP while adopting a HHP compared to that in the subjects without FHP. The change in thickness of the SCM was not significantly different between the two positions in subjects without FHP, and there was no significant change in thickness of the LCo muscle during the CCF exercise according to the initial position in both subjects with and without FHP. The results suggest that CCF should be performed in RHP to minimize contraction of the SCM in subjects with a FHP.

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참고문헌

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피인용 문헌

  1. Comparison of the Cross-Sectional Area of Longus Colli and Muscle Activity of Sternocleidomastoid in Subjects With Forward Head Posture on the Two Craniocervical Flexion Methods vol.25, pp.2, 2018, https://doi.org/10.12674/ptk.2018.25.2.062
  2. 대학생의 머리척추 각도에 따른 뒤통수밑근 긴장도와 깊은목굽힘근의 지구력과의 상관관계 vol.14, pp.2, 2015, https://doi.org/10.13066/kspm.2019.14.2.137