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The Official Journal of the Korean Academy of Kinesiology 2010;12(3):65-74.
Published online July 30, 2010.
The Effect of 8 Weeks Regular Resistance Training on Lumbar Muscular Strength, EMG, and Gait in Patients with Chronic Low Back Pain
Ji-Hoon Cho, Keun-Ok An, Woon-Yong Lee
THE Joeun Hospital
Dankook University
Kookmin University
Correspondence:  Keun-Ok An,
Email: coolan@hanmail.net
Received: 17 February 2010   • Accepted: 27 July 2010
Abstract

INTRODUCTION
The purpose of this study was to investigate the changes of muscular function, EMG(electromyography) and gait on resistance training applications to chronic lower back pain patients.
METHOD
Fourteen male lower back patients volunteered for the study and they were randomly assigned two groups(Experiment : (n=7) 50.2±4.2 yrs, 170.2±7.2 cm, 78.4±1.3 kg, 27.2±1.71 % Fat, Control : (n=7) 53.0±5.2 yrs, 171.4±4.3 cm, 81.1±2.9 kg, 28.8±1.8 %Fat). Experimental groups were performed weight bearing exercise 5 times a week for 8 weeks.
RESULT
Muscular function(ROM of Lower back extension, flexion and maximal strength), EMG(Muscular activation and fatigue) and Walking ability were analyzed by one-way ANOVA with repeated measured. As a result, ROM of lower back extension and flexion were significantly higher experiment group than control groups(p>.05). But Muscular activation and fatigue were diverse muscular activation were not significant differed between groups(p>.05) but muscular fatigue were significant differed between groups(p<.05).
CONCLUSION
Regular weight bearing exercise application were affect to lower back pain patients in torso strength, ROM, walking ability and muscular fatigue.
Keywords: Resistance training, Chronic low back pain, Muscular functions


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