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Paper Information

Journal:   OLYMPIC   FALL-WINTER 2003-2004 , Volume 11 , Number 3-4 (SERIAL 24); Page(s) 93 To 104.
 
Paper: 

COMPARISON OF THE DYNAMIC BALANCE OF CHORNIC LOW BACK PAIN PATIENTS WITH NORMAL SUBJECTS WITH DISTURBANCE OF DIFFERENT BALANCE SYSTEMS

 
 
Author(s):  , YAZDANI SH.
 
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Abstract: 
It is mostly accepted that muscular system, as well as connective tissue and neural system are involved in the pathophysiology of clinical low back pain. Low back pain is associated with balance imparments. Most of the previous studies have been focused on the static balance measurement. In this study, the balance impairments of the low back pain patients are assessed and compared with healthy subjects in various dynamic conditions in which vestibular system, visual system and properioceptive system have been challenged. Twenty one low back pain patients of between 20 to 40 years old and 19 healthy aged matched females voluntarily participated in this experiment. A dynamic stability platform system (BIODEX) was used to evaluate the deviation of center of gravity (COG) in overall (total), anterior -posterior (AP) and medio - lateral (ML) directions under various conditions which involved manipulation of visual, vestibular and properioceptive input. These tests were Performed on an instable platform in two different stiffness mode. Multivariate analysis of variance was used for statistical analysis. Results showed that the deviation of,the COG in LBP patients was significantly greater than that of the normal group in all conditions (P=O. 001). The influence of the manipulation of all balance systems resulted in larger COG deviation in patients than in normal group Conclusion: dynamic balance of low back pain patients was affected removal of visual information, manipulation of heads normal position and instability of base of support resulted in more balance abnormalities in LBP. There was an interaction between visual. vestibular and properioceptive manipulation factors.
 
Keyword(s): DYNAMIC BALANCE, LOW BACK PAIN, VESTIBULAR SYSTEM, VISUAL . SYSTEM, PROPERIOCEPTIV
 
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