Physical Therapy Korea (한국전문물리치료학회지)

Korean Research Society of Physical Therapy (한국전문물리치료학회)
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Comparison of the Anaerobic Threshold Level Between Subjects With and Without Non-Specific Chronic Low Back Pain

비특이성 만성요통 유무에 따른 무산소성 역치수준 비교

  • Seong, Jun-Hyuk (Dept. of Ergonomic Therapy, The Graduate School of Health and Environment, Yonsei University) ;
  • Kwon, Oh-Yun (Dept. of Physical Therapy, College of Health Science, Yonsei University, Dept. of Ergonomic Therapy, The Graduate School of Health and Environment, Yonsei University) ;
  • Yi, Chung-Hwi (Dept. of Physical Therapy, College of Health Science, Yonsei University, Dept. of Ergonomic Therapy, The Graduate School of Health and Environment, Yonsei University) ;
  • Cynn, Heon-Seock (Dept. of Physical Therapy, College of Health Science, Yonsei University, Dept. of Ergonomic Therapy, The Graduate School of Health and Environment, Yonsei University) ;
  • Cho, Young-Ki (Team of Physical Medicine & Rehabilitation, Asan Medical Center)
  • 성준혁 (연세대학교 보건환경대학원 인간공학치료학과) ;
  • 권오윤 (연세대학교 보건과학대학 물리치료학과, 보건환경대학원 인간공학치료학과) ;
  • 이충휘 (연세대학교 보건과학대학 물리치료학과, 보건환경대학원 인간공학치료학과) ;
  • 신헌석 (연세대학교 보건과학대학 물리치료학과, 보건환경대학원 인간공학치료학과) ;
  • 조영기 (서울아산병원 재활의학팀)
  • Received : 2011.01.04
  • Accepted : 2011.02.05
  • Published : 2011.02.19
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Abstract

The purpose of this study was to compare the anaerobic threshold (AT) between subjects with and without non-specific chronic low back pain (NCLBP). The patient group included 15 women with NCLBP. The normal group included 15 women without NCLBP who were age-, height-, weight-, and activity level-matched. The subjects performed a Balke treadmill protocol which was symptom-limited progressive loading test. Their heart rate (HR), ventilatory gas and metabolic equivalents (METs) were measured using the automatic breath gas analyzing system. After the test, each subjects' ratings of perceived exertion (RPE) were evaluated. The visual analog scale (VAS) was assessed pre- and post-test. The independent t-test and Wilcoxon's signed-rank test were used for analysis of the data. Time, HR, the volume of oxygen consumption ($VO_2$), relative $VO_2$, and METs at the AT level of the patient group were significantly lower than those of the healthy group (p<.05). However, there were no significant differences in RPE, VAS, and breathing frequency at the AT level (p>.05). The findings of this study indicate that patients with NCLBP had a lower aerobic fitness than healthy subjects. Thus, implementation of rehabilitation program to increase aerobic fitness may be considered in patietns with NCLBP, and further studies are required to determine the etiological factors of decreased aerobic fitness.

Keywords

References

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