Physical Therapy Korea (한국전문물리치료학회지)

Korean Research Society of Physical Therapy (한국전문물리치료학회)
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The Effect of Forward Head Posture Correctional Device During Computer Work

컴퓨터 작업 시 전방머리자세 교정장치의 효과

  • Yi, Chung-Hwi (Dept. of Physical Therapy, College of Health Science, Yonsei University, Institute of Health Science, Yonsei University) ;
  • Yoo, Won-Gyu (Dept. of Rehabilitation Therapy, The Graduate School, Yonsei University) ;
  • Kim, Min-Hee (Dept. of Rehabilitation Therapy, The Graduate School, Yonsei University)
  • 이충휘 (연세대학교 보건과학대학 물리치료학과 및 보건과학연구소) ;
  • 유원규 (연세대학교 대학원 재활학과) ;
  • 김민희 (연세대학교 대학원 재활학과)
  • Received : 2005.11.30
  • Accepted : 2006.01.31
  • Published : 2006.02.19
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Abstract

Work-related musculoskeletal disorder has been associated with long hours of computer work and prolonged periods of static posture. In clinical settings, postural correction is a common treatment approach for individuals with neck, shoulder, and back pain. This study was designed to identify the effect of Forward Head Posture Correctional Device during computer work. Twelve healthy adults (mean age, 27.4 yrs; mean height, 165.0cm mean weight, 65.8 kg) participated in the study. They had no medical history of neurological or surgical problems with their upper extremity. The subjects were asked to perform Head Forward Posture under the guidance of physical therapists and the measured angles were analyzed using a 3-D motion analysis system. Markers were placed on the C7 spinous process, tragus of the ear and forward head angle was between the line from the tragus to the C7 line and the Y-axis at the C7. The statistical significance of difference between, "without" and "with" correctional device was tested by paired t-test. A level of significance was set at ${\alpha}$=.05. In comparison of the computer work between "without" and "with" correctional device, Forward Head Angle was showed significant difference (p<.05). In conclusion, the range of Forward Head Angle was significantly decreased during computer work with the correctional device. Further research is needed to understand the nature of motor control problems in deep muscles in patients with neck, shoulder, and back pain.

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