Simulation of prosthetic impingement is important for preventing complications after total hip arthroplasty (THA). Although the anatomical hip range of motion (ROM) in patients after THA is an essential parameter for these simulations, previous simulation studies substituted various clinical hip ROMs for the anatomical hip ROM. Using a navigation system, anatomical hip ROM was accurately assessed after implantation during primary THA in 30 patients. We found that the hip could be passively moved to 113 degrees of flexion, 34 degrees of extension, 46 degrees of abduction, 75 degrees of internal rotation, and 36 degrees of external rotation. Almost all reference hip ROMs used in previous simulations were smaller than these values. Therefore, wider hip ROM values should be used as parameters for such simulations.
Anatomic hip range of motion after implantation during total hip arthroplasty as measured by a navigation system. Publishing Authors By Initials
Anatomic hip range of motion after implantation during total hip arthroplasty as measured by a navigation system. Journal Published:
PUBLICATION TYPE: Journal Article
Journal: The Journal of arthroplasty
VOLUME: 22
Page Numbers: 946-52
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ISSN: 0883-5403
DAY: 8
MONTH: Oct
YEAR: 2007
Anatomic hip range of motion after implantation during total hip arthroplasty as measured by a navigation system. Information
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LANGUAGE: eng
NlmUniqueID: 8703515
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Grant and Affiliation Information for Anatomic hip range of motion after implantation during total hip arthroplasty as measured by a navigation system.
AFFILIATION: Department of Orthopaedic Surgery, Medical School of Osaka University, Osaka, Japan.
Country: United States
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MEDLINETA: J Arthroplasty
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