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Pathokinesiology and Total Joint Arthroplasty

Gait analysis data relating to total joint arthroplasty were reviewed to assess their impact on the evolution of prosthetic design. Although joint replacement designs have led to clinical improvement, they do not yet permit the restoration of normal gait. Normal function may be difficult to attain in patients with arthritic destruction, because of a proprioceptive defect. Arthroplasty improves gait by relieving pain, but other factors (previous gait patterns, prosthetic design, muscle weakness, balance, and proprioception) seem to prevent most patients from regaining normal gait.