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Self-reported Walking Difficulty Influences Gait Characteristics in Patients with Medial Compartment Knee Osteoarthritis by Annalisa Na; Thomas S. Buchanan is a Medicine article available to read on EtoBox.

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## Background: To differentiate gait strategies per knee osteoarthritis and self-reported walking difficulty during self-selected regular and fast gait speeds. we hypothesize that knee osteoarthritis gait characteristics during self-selected regular and fast gait speeds will be most accentuated by the osteoarthritis and walking difficulty group, followed by osteoarthritis and no walking difficulty, and least in the control group. ## Methods: Prospective study of community-dwelling older adults (n = 39) who walk at functional speeds (≥1.0 m per second) were age and sex matched across the three groups. gait strategies including knee excursion and moments, muscle activation and co-contraction, and limb dynamics (linear acceleration and jerk) were compared between groups during self-selected regular and fast gait speed trials. significant group differences were defined as p < 0.05 and an effect size greater than small. ## Findings: Based on walking difficulty, adduction moments (p-range = 0.00-0.03; effect size range,r = 0.42-0.52) and lateral quadriceps-gastrocnemius co-activations (p = 0.01;r = 0.36) were significant during regular gait speeds; and extension (p = 0.03;d = 0.59) and a

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Author

Annalisa Na; Thomas S. Buchanan

Publisher

Elsevier BV

Published

2022

Language

EN

Field

Medicine (Health Sciences)