Effects of lateral wedge insole on static and dynamic balance in patients with moderate medial knee osteoarthritis

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Sayadnejad F.; ESFANDIARPOUR F.; REZAZADEH A.; AMIN M.; Derisfard F.; SHATERZADEH M.J.

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Journal: JOURNAL OF BABOL UNIVERSITY OF MEDICAL SCIENCES (JBUMS) Year:2019 | Volume:21 | Issue:1 Page(s): 259-265

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Title

Effects of lateral wedge insole on static and dynamic balance in patients with moderate medial knee osteoarthritis

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Keywords

Foot OrthosesQ1

OsteoarthritisQ2

KneeQ2

Postural BalanceQ1

Genu VarumQ1

Abstract

BACKGROUND AND OBJECTIVE: Knee Osteoarthritis (OA) is associated with diminished joint proprioception, balance deficits and increased risk of falls. Patients with medial Knee Osteoarthritis are at higher risk of balance deficits and falling due to the development of secondary varus deformity. Therefore, it is of great clinical importance to identify the treatment methods that could improve balance in Knee OA. The purpose of this study was to evaluate the effects of Lateral Wedge Insole (LWI) on static and dynamic balance in patients with moderate medial Knee Osteoarthritis. METHODS: Thirty patients with moderate medial Knee OA participated in this semi-experimental interventional study. Patients were recruited from orthopedic and rheumatology clinics of the university. For each patient, the static and dynamic balance were assessed in two conditions including wearing shoes with flat insole and wearing shoes with lateral wedge insole, using a Prokin stabilometer. The balance variables were the anteroposterior and mediolateral velocity and standard deviation of the center of pressure (COP) displacement, and total stability indices. Patients performed two familiarization trials, then, three actual trials with at least 30 s interval for each test. FINDINGS: Wearing LWIs resulted in significant decreases in the anteroposterior (static: 1. 78mm/s, dynamic: 6. 63mm/s) and mediolateral velocity of COP (static: 1. 53mm/s, dynamic: 5. 58mm/s) in compression to wearing shoes with flat insole (p<0. 001). The anteroposterior (static: 1. 04 mm, dynamic: 1. 57mm) and mediolateral SD of the COP (static: 1. 58mm, dynamic: 2. 02mm) were also decreased after using LWIs (p<0. 007). Except for the anteroposterior stability index, other balance indices were also significantly improved (p<0. 05). CONCLUSION: Our findings suggest that using a LWI improve static and dynamic balance in patients with moderate medial Knee OA.

Cites

Effects of Using Insoles with Different Wedges on Static and Dynamic Balance

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APA: Copy

Sayadnejad, F., ESFANDIARPOUR, F., REZAZADEH, A., AMIN, M., Derisfard, F., & SHATERZADEH, M.J.. (2019). Effects of lateral wedge insole on static and dynamic balance in patients with moderate medial knee osteoarthritis. JOURNAL OF BABOL UNIVERSITY OF MEDICAL SCIENCES (JBUMS), 21(1 ), 259-265. SID. https://sid.ir/paper/415212/en

Vancouver: Copy

Sayadnejad F., ESFANDIARPOUR F., REZAZADEH A., AMIN M., Derisfard F., SHATERZADEH M.J.. Effects of lateral wedge insole on static and dynamic balance in patients with moderate medial knee osteoarthritis. JOURNAL OF BABOL UNIVERSITY OF MEDICAL SCIENCES (JBUMS)[Internet]. 2019;21(1 ):259-265. Available from: https://sid.ir/paper/415212/en

IEEE: Copy

F. Sayadnejad, F. ESFANDIARPOUR, A. REZAZADEH, M. AMIN, F. Derisfard, and M.J. SHATERZADEH, “Effects of lateral wedge insole on static and dynamic balance in patients with moderate medial knee osteoarthritis,” JOURNAL OF BABOL UNIVERSITY OF MEDICAL SCIENCES (JBUMS), vol. 21, no. 1 , pp. 259–265, 2019, [Online]. Available: https://sid.ir/paper/415212/en

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