1. Agility and Perturbation Training Techniques in Exercise Therapy for Reducing Pain and Improving Function in People With Knee Osteoarthritis: A Randomized Clinical Trial by G. Kelley Fitzgerald, Sara R. Piva, Alexandra B. Gil, Stephen R. Wisniewski, Chester V. Oddis, and James J. Irrgang ptjournal Volume 91(4):452-469 March 31, 2011 © 2011 American Physical Therapy Association

2. Baseline Characteristics by Treatment Group. G. Kelley Fitzgerald et al. PHYS THER 2011;91:452-469 © 2011 American Physical Therapy Association

3. G. Kelley Fitzgerald et al. PHYS THER 2011;91:452-469 © 2011 American Physical Therapy Association

4. G. Kelley Fitzgerald et al. PHYS THER 2011;91:452-469 © 2011 American Physical Therapy Association

5. Home Exercise Adherence by Group. G. Kelley Fitzgerald et al. PHYS THER 2011;91:452-469 © 2011 American Physical Therapy Association

6. CONSORT diagram of study enrollment and participation. G. Kelley Fitzgerald et al. PHYS THER 2011;91:452-469 © 2011 American Physical Therapy Association

7. Outcome Measures by Treatment Group at Each Time Point With Intention-to-Treat (ITT) Analysisa. G. Kelley Fitzgerald et al. PHYS THER 2011;91:452-469 © 2011 American Physical Therapy Association

8. Plot of Western Ontario and McMaster Universities Osteoarthritis Index total (A) and physical function (B) scores at each time point. G. Kelley Fitzgerald et al. PHYS THER 2011;91:452-469 © 2011 American Physical Therapy Association

9. G. Kelley Fitzgerald et al. PHYS THER 2011;91:452-469 © 2011 American Physical Therapy Association

10. G. Kelley Fitzgerald et al. PHYS THER 2011;91:452-469 © 2011 American Physical Therapy Association

11. G. Kelley Fitzgerald et al. PHYS THER 2011;91:452-469 © 2011 American Physical Therapy Association