Rupture of anterior cruciate ligament monitored by acoustic emission

The scope of this study is to relate the acoustic emission (AE) during rupture of human soft tissue (anterior cruciate ligament, ACL) to the mechanisms leading to its failure. The cumulative AE activity highlights the onset of serious damage, while other parameters, show repeatable tendencies, being...

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Bibliographic Details
Published in:The Journal of the Acoustical Society of America 2011-06, Vol.129 (6), p.EL217-EL222
Main Authors: Aggelis, D. G., Paschos, N. K., Barkoula, N. M., Paipetis, A. S., Matikas, T. E., Georgoulis, A. D.
Format: Article
Language:English
Subjects:
Acoustics - instrumentation
Aged, 80 and over
Anterior Cruciate Ligament - pathology
Anterior Cruciate Ligament - physiopathology
Anterior Cruciate Ligament Injuries
Biomechanical Phenomena
Cadaver
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Humans
Materials science
Materials testing
Physics
Rupture
Signal Processing, Computer-Assisted
Tendon Injuries - pathology
Tendon Injuries - physiopathology
Tensile Strength
Time Factors
Transducers
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Summary:The scope of this study is to relate the acoustic emission (AE) during rupture of human soft tissue (anterior cruciate ligament, ACL) to the mechanisms leading to its failure. The cumulative AE activity highlights the onset of serious damage, while other parameters, show repeatable tendencies, being well correlated with the tissue's mechanical behavior. The frequency content of AE signals increases throughout the experiment, while other indices characterize between different modes of failure. Results of this preliminary study show that AE can shed light into the failure process of this tissue, and provide useful data on the ACL reconstruction.
ISSN:0001-4966
1520-8524
DOI:10.1121/1.3571537