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Fluoroscopic analysis of the kinematics of deep flexion in total knee arthroplasty: influence of posterior condylar offset

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Abstract
Our purpose was to determine the mechanism which allows the maximum knee flexion in vivo after a posterior-cruciate-ligament (PCL)-retaining total knee arthroplasty. Using three-dimensional computer-aided design videofluoroscopy of deep squatting in 29 patients, we determined that in 72% of knees, direct impingement of the tibial insert posteriorly against the back of the femur was the factor responsible for blocking further flexion. In view of this finding we defined a new parameter termed the 'posterior condylar offset'. In 150 consecutive arthroplasties of the knee, the magnitude of posterior condylar offset was found to correlate with the final range of flexion.

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Chicago
Bellemans, Johan, S Banks, Jan Victor, Hilde Vandenneucker, and A Moemans. 2002. “Fluoroscopic Analysis of the Kinematics of Deep Flexion in Total Knee Arthroplasty: Influence of Posterior Condylar Offset.” Journal of Bone and Joint Surgery-british Volume 84B (1): 50–53.
APA
Bellemans, J., Banks, S., Victor, J., Vandenneucker, H., & Moemans, A. (2002). Fluoroscopic analysis of the kinematics of deep flexion in total knee arthroplasty: influence of posterior condylar offset. JOURNAL OF BONE AND JOINT SURGERY-BRITISH VOLUME, 84B(1), 50–53.
Vancouver
1.
Bellemans J, Banks S, Victor J, Vandenneucker H, Moemans A. Fluoroscopic analysis of the kinematics of deep flexion in total knee arthroplasty: influence of posterior condylar offset. JOURNAL OF BONE AND JOINT SURGERY-BRITISH VOLUME. 2002;84B(1):50–3.
MLA
Bellemans, Johan, S Banks, Jan Victor, et al. “Fluoroscopic Analysis of the Kinematics of Deep Flexion in Total Knee Arthroplasty: Influence of Posterior Condylar Offset.” JOURNAL OF BONE AND JOINT SURGERY-BRITISH VOLUME 84B.1 (2002): 50–53. Print.
@article{1967809,
  abstract     = {Our purpose was to determine the mechanism which allows the maximum knee flexion in vivo after a posterior-cruciate-ligament (PCL)-retaining total knee arthroplasty. 
Using three-dimensional computer-aided design videofluoroscopy of deep squatting in 29 patients, we determined that in 72\% of knees, direct impingement of the tibial insert posteriorly against the back of the femur was the factor responsible for blocking further flexion. 
In view of this finding we defined a new parameter termed the 'posterior condylar offset'. In 150 consecutive arthroplasties of the knee, the magnitude of posterior condylar offset was found to correlate with the final range of flexion.},
  author       = {Bellemans, Johan and Banks, S and Victor, Jan and Vandenneucker, Hilde and Moemans, A},
  issn         = {0301-620X},
  journal      = {JOURNAL OF BONE AND JOINT SURGERY-BRITISH VOLUME},
  language     = {eng},
  number       = {1},
  pages        = {50--53},
  title        = {Fluoroscopic analysis of the kinematics of deep flexion in total knee arthroplasty: influence of posterior condylar offset},
  url          = {http://dx.doi.org/10.1302/0301-620X.84B1.12432},
  volume       = {84B},
  year         = {2002},
}

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