Scientific Article   |    
Range of Motion of Posterior-Cruciate-Substituting Total Knee Replacements: The Effect of Bearing Mobility
Brian Haas, MD; Douglas A. Dennis, MD; Richard D. Komistek, PhD; Jamey T. BrumleyII, MS; Curt Hammill
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Brian Haas, MD
Douglas A. Dennis, MD
Richard D. Komistek, PhD
Jamey T. Brumley II, MS
Curt Hammill
Rocky Mountain Musculoskeletal Research Laboratory, 2425 South Colorado Boulevard, Suite 280, Denver, CO 80222

In support of their research or preparation of this manuscript, one or more of the authors received grants or outside funding from DePuy, a Johnson and Johnson company, and from Radiographic and Data Solutions. None of the authors received payments or other benefits or a commitment or agreement to provide such benefits from a commercial entity. No commercial entity paid or directed, or agreed to pay or direct, any benefits to any research fund, foundation, educational institution, or other charitable or nonprofit organization with which the authors are affiliated or associated.

J Bone Joint Surg Am, 2001 Oct 01;83(2 suppl 1):S51-55
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A satisfactory postoperative range of motion is an important component of a successful result of total knee arthroplasty. Previously, we conducted an analysis to compare the weight-bearing and non-weight-bearing ranges of motion in subjects with a fixed-bearing posterior-cruciate-retaining or posterior stabilized total knee replacement1. The purpose of this follow-up study was to determine the difference between the weight-bearing and non-weight-bearing ranges of motion in patients with either a mobile-bearing posterior stabilized total knee replacement or a fixed-bearing posterior stabilized total knee replacement. A secondary goal of this study was to assess if the weight-bearing range of motion was affected by the implant type—that is, a fixed-bearing or a mobile-bearing posterior stabilized total knee replacement.
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    These activities have been planned and implemented in accordance with the Essential Areas and policies of the Accreditation Council for Continuing Medical Education (ACCME) through the joint sponsorship of the American Academy of Orthopaedic Surgeons and The Journal of Bone and Joint Surgery, Inc. The American Academy of Orthopaedic Surgeons is accredited by the ACCME to provide continuing medical education for physicians.
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