ARTICLE INFO

Article Type

Original Research

Authors

Karimi   M.T. (1)
Esrafilian   A. (2)
Salahi   M. (*)






(*) Technical Orthopedic Department, Rehabilitation Sciences Faculty, Isfahan University of Medical Sciences, Isfahan, Iran
(1) Technical Orthopedic Department, Rehabilitation Sciences Faculty, Isfahan University of Medical Sciences, Isfahan, Iran
(2) Department of Advanced Technologies in Medicine, Biomedical Engineering Faculty, Amirkabir University of Technology, Tehran, Iran

Correspondence

Address: Technical Orthopedic Department, Rehabilitation Sciences Faculty, Hezar Jarib Street, Isfahan University of Medical Sciences, Isfahan, Iran. Postal Code: 81746-73461
Phone: +985138213461
Fax:
mohammadsalahi68@yahoo.com

Article History

Received:   August  24, 2015
Accepted:   February 9, 2016
ePublished:   June 30, 2016

ABSTRACT

Aims Being prevalent in the more than 40 years old persons, the knee osteoarthritis is one of the main factors in the function system failure mainly affecting their life. There is a type of instability in the persons with knee osteoarthritis, which is an increase in the domain and frequency of body pressure center. The aim of the present study was to compare the standing stability parameters in persons with knee osteoarthritis and healthy persons.
Materials & Methods In this case-control, 15 patients with knee osteoarthritis referred to the physiotherapy clinic of the rehabilitation center and Al-Zahra hospital were studied in the muscle-skeletal research center of Isfahan University of Medical Sciences in 2015. The subjects were selected via stratified sampling method. As control group, 15 healthy persons were also studied in Isfahan. Total path length and the domain and frequency of pressure center in different directions were measured to assess the stability. Data was analyzed by SPSS 19 software using descriptive statistics and paired T test.
Findings There were increases in the mean movement domain and the frequency of pressure center in the anterior-posterior and the internal-external directions, as well as in the total path proceeded by the pressure center in the internal-external direction, in the persons with knee osteoarthritis than the healthy persons (p<0.05). Nevertheless, there was no significant difference in the mean total path proceeded by the pressure center in the anterior-posterior direction (p>0.05).
Conclusion Standing stability and balance in persons with knee osteoarthritis decreases compared to healthy persons.

Keywords: Static Stability , Osteoarthritis, Knee , Force Plate ,

CITATION LINKS

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