Kinematics Analysis of Lumbar Spine during Breathing in Lying Position

누운 자세에서 호흡에 따른 요추분절의 운동학적 분석

  • Yuk, Goon-Chang (Dept. Physical Therapy, Yeungnam University Medical Center) ;
  • Park, So-Hyun (Medical Devices Clinical Trial Center of Yeungnam University Hospital) ;
  • Kim, Chung-Sun (Department of Physical Therapy, College of Rehabilitation Science, Daegu University)
  • 육군창 (영남대학교의료원 재활의학과 물리치료실) ;
  • 박소현 (영남대학교병원 의료기기 임상시험센터) ;
  • 김중선 (대구대학교 재활과학대학 물리치료학과)
  • Received : 2011.07.02
  • Accepted : 2011.09.17
  • Published : 2011.10.25

Abstract

Purpose: The purpose of this study was to describe the influence of respiration on the segmental motion of the lumbar spine in the lying position. Methods: Twelve healthy females without a history of low back pain participated. Lumbosacral lordosis, intervertebral body angles, intervertebral body displacements, and anterior heights of the intervertebral disc of the lumbar spine were measured at inspiration, expiration and forced expiration in the supine and prone positions via fluoroscopy. Results: The results of lumbar kinematic analysis in the supine position according to respiration pattern were as follows. The L4/5 intervertebral body angle was significantly higher at forced expiration than at expiration (p<0.05). The L3/4 anterior height of the intervertebral disc was significantly higher at expiration than at forced inspiration and the L5/S1 anterior height of the intervertebral disc was significantly higher at inspiration than at forced expiration (p<0.05). There were no significant differences in the intervertebral body displacements and lumbosacral lordosis in the supine position (p>0.05). The results of lumbar kinematic analysis in the prone position according to respiration pattern were as follows. The L5/S1 anterior height of the intervertebral disc was significantly higher at inspiration than at forced expiration (p<0.05). However, there was no significant difference in the intervertebral body angle, the intervertebral body displacements, and the lumbosacral lordosis (p>0.05). Conclusion: These findings suggested that respiration can affect the intervertebral body angle and anterior height of the intervertebral disc in some segments. The results from this study serve as a step in the development of guidelines for lumbar kinematic analysis for lumbar breathing training.

Keywords

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