[Effect of anterior cruciate ligament rupture on the strain of medial collateral ligament]

Zhong Nan Da Xue Xue Bao Yi Xue Ban. 2009 Jul;34(7):659-62.
[Article in Chinese]

Abstract

Objective: To explore the effect of anterior cruciate ligament (ACL) rupture on the biomechanics of medial collateral ligament (MCL).

Methods: Six fresh human knee joints were fixed on the self-made fixture and flexed 90 degrees . ACL was divided into a normal group, an anteromedial bundle (AMB) break group, and an ACL complete break group. 800N burden was loaded, and the MCL strain data were compared among the 3 groups.

Results: The MCL strain was significantly increased in the AMB break group and the ACL complete break group than that in the normal group (P<0.05). There was no significant difference in the MCL strain between the AMB break group and the ACL complete break group (P>0.05).

Conclusion: ACL rupture may cause significant changes in the MCL biomechanics, but the effect of AMB break and ACL complete break on MCL has no significant difference.

MeSH terms

  • Adult
  • Anterior Cruciate Ligament Injuries*
  • Biomechanical Phenomena
  • Cadaver
  • Cumulative Trauma Disorders / etiology
  • Humans
  • Male
  • Medial Collateral Ligament, Knee / injuries
  • Medial Collateral Ligament, Knee / physiopathology*
  • Rupture / complications*
  • Sprains and Strains / physiopathology*