The effect of knee osteoarthritis on lumbar proprioception / Fatma Mohamed Alfiky ; Supervised Wadida Hassan Abdelkader Elsayed , Hassan Mahmoud Barakah , Amira Hussien Draz

Thesis (Ph.D.) - Cairo University - Faculty of Physical Therapy - Department of Basic Science

Knee osteoarthritis (OA) is a common chronic disease affecting weight bearing joints. It alters kinetics and kinematics of all lower limb joints and lumbar spine. The purpose of this study was to study the effect of chronic knee OA on Lumbar active repositioning accuracy level (LARAL), the effect of sex on LARAL, the association of LARAL with OA duration of chronicity, age, body mass index (BMI) and sex;and the association of LARAL with age, BMI and sex in healthy subjects. Sixty subjects participated in the study. Their age ranged between 40 and 60 years. The subjects were assigned into two groups; study group (A): It was consisted of 30 patients with chronic unilateral grade II knee osteoarthritis. The duration of chronicity ranged from 6 months and 45 months. Control group (B): It was consisted of 30 healthy subjects. LARAL was measured by Biodex system III Pro at target angle 300. There was a significant increase in LARAL (absolute error) in group (A) compared with group (B) (p= 0.0001). The mean ± SD values of LARAL in the group (A) and group (B) were 7.36±2.390 and 1.15±0.910 respectively. There was no significant difference in LARAL in female compared with male in group (A) and (B) (p=351 and 0.597 respectively). The mean±SD values of LARAL in the "female" and "male" in group (A) were 6.96±2.310 and 7.95±2.520 respectively. The mean±SD values of LARAL in the "female" and "male" in group (B) were 1.09±0.980 and 1.33±0.760 respectively. There was positive strong significant association of LARAL with OA duration of chronicity (p=0.0001). The regression equation is: LARAL=3.035+0.937{u00D7}chronicity

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