Compared the effects of preoperative physical therapy or general cardiovascular conditioning exercises with the routine procedure of no preoperative physical therapy on patients over 55 years of age undergoing primary total knee replacement.

1. Provide a brief summary of the main research study aims/ objectives, methods and findings.
2. Provide a critical appraisal of the article, justifying your rationale for the main strengths and limitations of the study.  Note that marks will be awarded for highlighting strengths and limitations of the study other than those stated by the authors throughout the article.
3. 250 – 300 words

4. The article to be critically appraised has been attached below

This study compared the effects of preoperative physical therapy or general cardiovascular conditioning exercises with the routine procedure of no preoperative physical therapy on patients over 55 years of age undergoing primary total knee replacement.