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Patellar Height Assessment Methods

An Update

Igoumenou, Vasilios G., MD1; Dimopoulos, Leonidas, MD1; Mavrogenis, Andreas F., MD1

doi: 10.2106/JBJS.RVW.18.00038
Review Articles
Disclosures

  • * Direct and indirect radiographic methods have been proposed for patellar height assessment. Direct methods relate the position of the patella to the femur, and indirect methods relate the position of the patella to the tibia.
  • * Various knee flexion angles have been used for practicality or because obtaining a true lateral knee radiograph is difficult. Knee flexion angles and quadriceps contraction modify patellar height measurements because of proximal patellar displacement and influence patellar height ratios.
  • * Over time, progression from a simple radiographic measurement to modern biomechanical and imaging technologies has added complexity to the techniques devised to measure patellar height. Currently, the definition of patellar height and its causal relationship to the conditions commonly associated with anterior knee pain remain controversial.

1First Department of Orthopaedics, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece

E-mail address for A.F. Mavrogenis: afm@otenet.gr

Investigation performed at the First Department of Orthopaedics, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece

Disclosure: There was no source of external funding for this study. The Disclosure of Potential Conflicts of Interest forms are provided with the online version of the article (http://links.lww.com/JBJSREV/A408).

Copyright © 2019 by The Journal of Bone and Joint Surgery, Incorporated
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