Validation of a new protocol for navigated intraoperative assessment of knee kinematics

Sandra Martelli, Nicola Lopomo, Simone Bignozzi, Stefano Zaffagnini, Andrea Visani

Research output: Contribution to journalArticlepeer-review

Abstract

Background: This study describes a novel method for accurate evaluations of knee kinematics during arthroscopic reconstructions of anterior cruciate ligament (ACL). Methods: Quantitative evaluation of knee stability was estimated by experimental validation on 30 volunteers and by statistical analysis of test repeatability. Results: Proposed method present short learning time, is minimally invasive and thus suitable for arthroscopic techniques. Computed laxity showed a repeatability of 1.5° for varus-valgus, 3° for internal-external, and 2 mm for antero-posterior tests. Conclusions: This method represents a reliable quantification of knee kinematics in surgery, able to improve present intra-operative assessment of knee stability.

Original languageEnglish
Pages (from-to)872-878
Number of pages7
JournalComputers in Biology and Medicine
Volume37
Issue number6
DOIs
Publication statusPublished - Jun 2007

Keywords

  • ACL
  • Computer-assisted surgery
  • Kinematic evalution
  • Kinematics
  • Knee
  • Laxity
  • Navigation
  • Stability

ASJC Scopus subject areas

  • Computer Science Applications

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