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An original clinical methodology for non-invasive assessment of pivot-shift test

Author

Listed:
  • Nicola Lopomo
  • Stefano Zaffagnini
  • Cecilia Signorelli
  • Simone Bignozzi
  • Giovanni Giordano
  • Giulio Marcheggiani Muccioli
  • Andrea Visani

Abstract

Even if pivot-shift (PS) test has been clinically used to specifically detect anterior cruciate ligament (ACL) injury, the main problem in using this combined test has been yet associated with the difficulty of clearly quantifying its outcome. The goal of this study was to describe an original non-invasive methodology used to quantify PS test, highlighting its possible clinical reliability. The method was validated on 66 consecutive unilateral ACL-injured patients. A commercial triaxial accelerometer was non-invasively mounted on patient's tibia, the corresponding 3D acceleration was acquired during PS test execution and a set of specific parameters were automatically identified on the signal to quantify the test. PS test was repeated three times on both injured and controlateral limbs. Reliability of the method was found to be good (mean intra-rater intraclass correlation coefficient was 0.79); moreover, we found that ACL-deficient knees presented statistically higher values for the identified parameters – than the controlateral healthy limbs, averagely reporting also large effect size.

Suggested Citation

  • Nicola Lopomo & Stefano Zaffagnini & Cecilia Signorelli & Simone Bignozzi & Giovanni Giordano & Giulio Marcheggiani Muccioli & Andrea Visani, 2012. "An original clinical methodology for non-invasive assessment of pivot-shift test," Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis Journals, vol. 15(12), pages 1323-1328.
    • Handle: RePEc:taf:gcmbxx:v:15:y:2012:i:12:p:1323-1328
    DOI: 10.1080/10255842.2011.591788
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    Cited by:

    1. Bart Muller & Marcus Hofbauer & Amir Ata Rahnemai-Azar & Megan Wolf & Daisuke Araki & Yuichi Hoshino & Paulo Araujo & Richard E. Debski & James J. Irrgang & Freddie H. Fu & Volker Musahl, 2016. "Development of computer tablet software for clinical quantification of lateral knee compartment translation during the pivot shift test," Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis Journals, vol. 19(2), pages 217-228, January.

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