Journal of the Korean Society of Physical Medicine (대한물리의학회지)

The Korean Society of Physical Medicine (대한물리의학회)
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Kinetic Analysis on the Lumbar at the Trunk Flexion according to the Degree of Hamstring Flexibility of Healthy Adult

정상 성인의 슬괵근 유연성 정도에 따른 체간 굴곡시 요추의 운동학적 분석

  • Kim, Gi-Chul (Department of Physical Therapy, Daegu Health College) ;
  • Hwang, Bo-Gak (Department of Physical Therapy, Daegu University)
  • 김기철 (대구보건대학교 물리치료과) ;
  • 황보각 (대구대학교 물리치료학과)
  • Received : 2012.09.18
  • Accepted : 2012.10.24
  • Published : 2012.11.30
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Abstract

PURPOSE: This study aims to examine the effects of trunk flexion on the kinetic characteristics of the lumbar according to the degree of hamstring flexibility. METHODS: This study has as its subjects 29 young adults and divides them into the group (NSRTG, n=15) with the normal length of hamstrings according to SRT and the group (SSRTG, n=14) tending to have shortened hamstrings. Sit and Reach Test was conducted to evaluate the degree of hamstring flexibility. And to examine the kinetic difference of the lumbar at the trunk flexion, it was compared and analyzed by using the picture archiving and communication system (PACS). RESULTS: SSRTG showed more significant difference than NSRTG in the analysis on the trunk flexion of NSRTG and SSRTG. CONCLUSION: According to the analysis, the shortening of hamstrings is the factor that affects the dynamic stability of the lower lumbar through the reduction of the pelvic anterior tilt at the trunk flexion.

Keywords

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