BACKGROUND: Total knee arthroplasty has been a treatment option for knee osteoarthritis since 1954. Recent evidence has identified various patient factors and prehabilitation strategies that may improve postoperative outcomes. OBJECTIVE:: To evaluate the influence of patient factors and prehabilitation on postoperative outcomes. METHODS: The literature was reviewed from 1954 to 2012 using PubMed, CINAHL, and ProQuest. RESULTS: Strength, age, range of motion, pain, and expectations have the strongest influence. Obesity, timing, and gender have the least influence. Short-term prehabilitation using neuromuscular electrical stimulation and proprioception training may improve outcomes. CONCLUSION: Patient factors and prehabilitation seem to be beneficial, but further research is needed. Copyright © 2013 Lippincott Williams & Wilkins.
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