Noncontact anterior cruciate ligament injuries: mechanisms and risk factors

Significant advances have recently been made in understanding the mechanisms involved in noncontact anterior cruciate ligament (ACL) injury. Most ACL injuries involve minimal to no contact. Female athletes sustain a two- to eightfold greater rate of injury than do their male counterparts. Recent vid...

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Bibliographic Details
Published inJournal of the American Academy of Orthopaedic Surgeons Vol. 18; no. 9; p. 520
Main Authors Boden, Barry P, Sheehan, Frances T, Torg, Joseph S, Hewett, Timothy E
Format Journal Article
LanguageEnglish
Published United States 01.09.2010
Subjects
Anterior Cruciate Ligament - diagnostic imaging
Anterior Cruciate Ligament - physiopathology
Anterior Cruciate Ligament Injuries
Biomechanical Phenomena
Female
Humans
Knee Injuries - diagnostic imaging
Knee Injuries - epidemiology
Knee Injuries - prevention & control
Magnetic Resonance Imaging
Male
Risk Factors
Ultrasonography
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Summary:Significant advances have recently been made in understanding the mechanisms involved in noncontact anterior cruciate ligament (ACL) injury. Most ACL injuries involve minimal to no contact. Female athletes sustain a two- to eightfold greater rate of injury than do their male counterparts. Recent videotape analyses demonstrate significant differences in average leg and trunk positions during injury compared with control subjects. These findings as well as those of cadaveric and MRI studies indicate that axial compressive forces are a critical component in noncontact ACL injury. A complete understanding of the forces and risk factors associated with noncontact ACL injury should lead to the development of improved preventive strategies for this devastating injury.
ISSN:1067-151X
DOI:10.5435/00124635-201009000-00003