The Journal of Bone and Joint Surgery (American). 2006;88:175-181.
doi:10.2106/JBJS.F.00608
© 2006 The Journal of Bone and Joint Surgery, Inc.
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Management of Stiffness Following Total Knee Arthroplasty

Javad Parvizi, MD, FRCS, T. David Tarity, BS, Marla J. Steinbeck, PhD, Roman G. Politi, BS, Ashish Joshi, MD, MPH, James J. Purtill, MD and Peter F. Sharkey, MD

Corresponding author:
Javad Parvizi, MD, FRCS
925 Chestnut Street, Philadelphia, PA 19107. E-mail address:
parvj@aol.com

The first 150 words of the full text of this article appear below.


   Introduction
 
Stiffness following total knee arthroplasty is a disabling complication1-7. Although some predisposing factors have been identified, in most cases the exact etiology of the stiffness cannot be discerned. The reported prevalence of this complication has ranged widely from 1.3% to 12%1,8-10. The difference in rate may be due in part to varied definitions of stiffness11. Several factors affecting the postoperative range of motion that have been identified include the preoperative range of motion, contracture of the extensor mechanism and capsular structure, the preoperative diagnosis, personality of the patient, lack of patient compliance with the rehabilitation protocol, and the patient's threshold for pain12-18.

Technical factors, such as overstuffing the patellofemoral joint, mismatch of the flexion and extension gaps, inaccurate ligament balancing, component malpositioning, use of oversized components, joint-line elevation, excessive tightening of the extensor mechanism, and underresection of the patella have also been implicated1,19. Various management . . . [Full Text of this Article]


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