Effects of loading direction on anterior cruciate ligament injury

Sota Yamamoto; Akinori Saito; Akinori Ishikawa; Koji Mizuno; Eiichi Tanaka

Effects of loading direction on anterior cruciate ligament injury

Sota Yamamoto, Akinori Saito, Akinori Ishikawa, Koji Mizuno, Eiichi Tanaka

Research output: Contribution to journal › Article

Abstract

Experimental evaluation of ACL (anterior cruciate ligament) injury was conducted on the femur-ACL-tibia complex (FATC) in the axial, lateral-medial, and posterior-anterior directions. FATC specimens were taken from 28 Japanese white rabbits sacrificed by overdosing with pentobarbital sodium. Mechanical loading tests of the FATC were conducted in various loading directions, and the rate and direction dependence of the structural properties of the FATC were discussed. The failure load of FATC was found to be large in relation to posterior-anterior loading and small in relation to lateral-medial loading, while the failure displacement showed the opposite tendency. The result indicates that ACL injury in pedestrian accidents depends on the impact direction. The results of lateral-medial shear tests showed a relatively larger toe-region, which indicates a very small increase in the load in relation to the increase in deformation, especially in the beginning part of the load-deformation curve.

Original language	English
Pages (from-to)	483-485
Number of pages	3
Journal	Review of Automotive Engineering
Volume	27
Issue number	3
Publication status	Published - 2006 Jul 1
Externally published	Yes

ASJC Scopus subject areas

Automotive Engineering

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Yamamoto, S., Saito, A., Ishikawa, A., Mizuno, K., & Tanaka, E. (2006). Effects of loading direction on anterior cruciate ligament injury. Review of Automotive Engineering, 27(3), 483-485.

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abstract = "Experimental evaluation of ACL (anterior cruciate ligament) injury was conducted on the femur-ACL-tibia complex (FATC) in the axial, lateral-medial, and posterior-anterior directions. FATC specimens were taken from 28 Japanese white rabbits sacrificed by overdosing with pentobarbital sodium. Mechanical loading tests of the FATC were conducted in various loading directions, and the rate and direction dependence of the structural properties of the FATC were discussed. The failure load of FATC was found to be large in relation to posterior-anterior loading and small in relation to lateral-medial loading, while the failure displacement showed the opposite tendency. The result indicates that ACL injury in pedestrian accidents depends on the impact direction. The results of lateral-medial shear tests showed a relatively larger toe-region, which indicates a very small increase in the load in relation to the increase in deformation, especially in the beginning part of the load-deformation curve.",

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T1 - Effects of loading direction on anterior cruciate ligament injury

AU - Yamamoto, Sota

AU - Saito, Akinori

AU - Ishikawa, Akinori

AU - Mizuno, Koji

AU - Tanaka, Eiichi

PY - 2006/7/1

Y1 - 2006/7/1

N2 - Experimental evaluation of ACL (anterior cruciate ligament) injury was conducted on the femur-ACL-tibia complex (FATC) in the axial, lateral-medial, and posterior-anterior directions. FATC specimens were taken from 28 Japanese white rabbits sacrificed by overdosing with pentobarbital sodium. Mechanical loading tests of the FATC were conducted in various loading directions, and the rate and direction dependence of the structural properties of the FATC were discussed. The failure load of FATC was found to be large in relation to posterior-anterior loading and small in relation to lateral-medial loading, while the failure displacement showed the opposite tendency. The result indicates that ACL injury in pedestrian accidents depends on the impact direction. The results of lateral-medial shear tests showed a relatively larger toe-region, which indicates a very small increase in the load in relation to the increase in deformation, especially in the beginning part of the load-deformation curve.

AB - Experimental evaluation of ACL (anterior cruciate ligament) injury was conducted on the femur-ACL-tibia complex (FATC) in the axial, lateral-medial, and posterior-anterior directions. FATC specimens were taken from 28 Japanese white rabbits sacrificed by overdosing with pentobarbital sodium. Mechanical loading tests of the FATC were conducted in various loading directions, and the rate and direction dependence of the structural properties of the FATC were discussed. The failure load of FATC was found to be large in relation to posterior-anterior loading and small in relation to lateral-medial loading, while the failure displacement showed the opposite tendency. The result indicates that ACL injury in pedestrian accidents depends on the impact direction. The results of lateral-medial shear tests showed a relatively larger toe-region, which indicates a very small increase in the load in relation to the increase in deformation, especially in the beginning part of the load-deformation curve.

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