Provide a brief summary of the main research study aims/ objectives, methods and findings. Provide a critical appraisal of the article, justifying your rationale for the main strengths and limitations of the study.

The Effect of Preoperative Exercise on Total Knee Replacement Outcomes

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