Correlation Between the Lower Extremity Functional Scale (LEFS) With Flexor and Extensor Knee Strength Muscle in Osteoartritis Patient

Marina Annette Moeliono, Lailan Lailan, Sunaryo Barki Sastradimaja

Abstract


Introduction: Knee osteoartritis could generate disability due to functional weight bearing acti-vity disorder. This happens due to distorted muscle strength as the keypoint to functional activity that further risks into muscle disfunction. LEFS-ina is a Bahasa-Indonesia-translated-and-adapted LEFS functional outcome measurement designed for patients with lower extremity musculoskeletal dysfunction (Cronbach Alpha 0.94; Split Half 0.82).
Objective: to evaluate the correlation between LEFS-ina and knee flexor (KF) and extensor (KE) muscle strength using HHD in osteoartritis patient.
Methods: Analytical cross-sectional observational study was conducted to 31 knee osteoarthritis subjects by measuring knee flexor and extensor muscle strength correlated to LEFS-ina.
Result: Significant correlations were found between gender to LEFS-ina and KF-KE. (p<0.05); and between KF-KE (p<0.05). Body mass index (BMI) and age were negatively correlated to KF but positively correlated to OA grading (p<0.05). Negative correlation was found between LEFS-ina to OA grading but positively correlated to BMI and KF-KE. (p<0.05). Conclusion: There were correlations between LEFS-ina and knee flexor and extensor muscle strength in osteoartritis patient.
Keywords: Knee Osteoartritis, The Lower extremity Functional scale, Hand Held Dynamometry

References



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