Comparison of knee injury threshold during tibial compression based on limb orientation in mice

Allison W. Hsia, Franklin D. Tarke, Trevor J. Shelton, Priscilla M. Tjandra, Blaine A Christiansen

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Our previous studies used tibial compression overload to induce anterior cruciate ligament (ACL) rupture in mice, while others have applied similar or greater compressive magnitudes without injury. The causes of these differences in injury threshold are not known. In this study, we compared knee injury thresholds using a “prone configuration” and a “supine configuration” that differed with respect to hip, knee, and ankle flexion, and utilized different fixtures to stabilize the knee. Right limbs of female and male C57BL/6 mice were loaded using the prone configuration, while left limbs were loaded using the supine configuration. Mice underwent progressive loading from 2 to 20 N, or cyclic loading at 9 N or 14 N (n = 9–11/sex/loading method). Progressive loading with the prone configuration resulted in ACL rupture at an average of 10.2 ± 0.9 N for females and 11.4 ± 0.7 N for males. In contrast, progressive loading with the supine configuration resulted in ACL rupture in only 36% of female mice and 50% of male mice. Cyclic loading with the prone configuration resulted in ACL rupture after 15 ± 8 cycles for females and 24 ± 27 cycles for males at 9 N, and always during the first cycle for both sexes at 14 N. In contrast, cyclic loading with the supine configuration was able to complete 1,200 cycles at 9 N without injury for both sexes, and an average of 45 ± 41 cycles for females and 49 ± 25 cycles for males at 14 N before ACL rupture. These results show that tibial compression configurations can strongly affect knee injury thresholds during loading.

Original languageEnglish (US)
JournalJournal of Biomechanics
DOIs
StateAccepted/In press - Jan 1 2018

Fingerprint

Knee Injuries
Anterior Cruciate Ligament
Ligaments
Rupture
Extremities
Knee
Wounds and Injuries
Inbred C57BL Mouse
Ankle
Hip

Keywords

  • Bone adaptation
  • Knee injury
  • Mechanical loading
  • Osteoarthritis
  • Tibial compression

ASJC Scopus subject areas

  • Biophysics
  • Orthopedics and Sports Medicine
  • Biomedical Engineering
  • Rehabilitation

Cite this

Comparison of knee injury threshold during tibial compression based on limb orientation in mice. / Hsia, Allison W.; Tarke, Franklin D.; Shelton, Trevor J.; Tjandra, Priscilla M.; Christiansen, Blaine A.

In: Journal of Biomechanics, 01.01.2018.

Research output: Contribution to journalArticle

Hsia, Allison W. ; Tarke, Franklin D. ; Shelton, Trevor J. ; Tjandra, Priscilla M. ; Christiansen, Blaine A. / Comparison of knee injury threshold during tibial compression based on limb orientation in mice. In: Journal of Biomechanics. 2018.
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