Spatial-Temporal Gait Characteristics in Individuals With Hip Osteoarthritis: A Systematic Literature Review and Meta-analysis
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Study Design: Systematic literature review and meta-analysis. Objective: To systematically review and critically evaluate the literature to determine how basic gait characteristics are altered in individuals with hip osteoarthritis (OA). Background: Hip OA is a progressive musculoskeletal condition which leads to pain, stiffness, and functional limitation in activities such as walking. Understanding gait dysfunction in people with hip OA may contribute to more effective management of the disease. Methods: Eleven electronic research databases were searched. Studies comparing basic gait parameters in individuals with hip OA to healthy controls and the affected to the contralateral limb of individuals with hip OA were included. The studies were critically appraised for methodological quality. Available data were extracted and meta-analysis was performed with standardised effect sizes (Cohen's d) and corresponding 95% confidence intervals computed for gait speed, cadence, step and stride length, stance, swing and double-stance duration, and step width. Results: The final analysis included 30 articles. Self-selected gait speed was 26% slower in individuals with hip OA relative to controls, which was explained by shorter stride length. Consistent evidence was found for greater asymmetry in individuals with hip OA than controls with shorter step length and stance duration in the affected compared to the contralateral limb. Conclusion: Individuals with hip OA walk at a slower speed and exhibit greater gait asymmetry than controls. Gait speed and asymmetry can be readily assessed clinically and represent a simple way of objectively evaluating gait dysfunction and monitoring treatment progress in individuals with hip OA. Level of Evidence: Symptom Prevalence, Level 2a- Key words: ambulation, gait speed, step, stride, walking
Journal of Orthopaedics and Sports Physical Therapy
Copyright 2014 Journal of Orthopaedic and Sports Physical Therapy. Reproduced with permission of the Orthopaedic Section and the Sports Physical Therapy Section of the American Physical Therapy Association (APTA). Please refer to the journal's website for access to the definitive, published version.