Reports of joint instability in knee osteoarthritis: Its prevalence and relationship to physical functionG. Kelley Fitzgerald, James J. Irrgang, Sara R. Piva|Arthritis Care & Research|2004Cited by 255
Relationships of Fear, Anxiety, and Depression With Physical Function in Patients With Knee OsteoarthritisKristen A. Scopaz, G. Kelley Fitzgerald, Stephen R. Wisniewski et al.|Archives of Physical Medicine and Rehabilitation|2009Cited by 205
A Modified Neuromuscular Electrical Stimulation Protocol for Quadriceps Strength Training Following Anterior Cruciate Ligament ReconstructionG. Kelley Fitzgerald, James J. Irrgang, Sara R. Piva|Journal of Orthopaedic and Sports Physical Therapy|2003Cited by 200
A Balance Exercise Program Appears to Improve Function for Patients With Total Knee Arthroplasty: A Randomized Clinical TrialSara R. Piva, G. Kelley Fitzgerald, Anthony M. DiGioia et al.|Physical Therapy|2010Cited by 171
Get up and go test in patients with knee osteoarthritisSara R. Piva, Terrence W Starz, G. Kelley Fitzgerald et al.|Archives of Physical Medicine and Rehabilitation|2004Cited by 152