Abstract
Graft tissues within bone tunnels remain mobile for a long time after anterior cruciate ligament (ACL) reconstruction. However, whether the graft-tunnel friction affects the finite element (FE) simulation of the ACL reconstruction is still unclear. Four friction coefficients (from 0 to 0.3) were simulated in the ACL-reconstructed joint model as well as two loading levels of anterior tibial drawer. The graft-tunnel friction did not affect joint kinematics and the maximal principal strain of the graft. By contrast, both the relative graft-tunnel motion and equivalent strain for the bone tunnels were altered, which corresponded to different processes of graft-tunnel integration and bone remodeling, respectively. It implies that the graft-tunnel friction should be defined properly for studying the graft-tunnel integration or bone remodeling after ACL reconstruction using numerical simulation.
| Original language | English |
|---|---|
| Pages (from-to) | 278-286 |
| Number of pages | 9 |
| Journal | Computer Methods in Biomechanics and Biomedical Engineering |
| Volume | 21 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 17 Feb 2018 |
| Externally published | Yes |
Keywords
- Graft-tunnel friction
- anterior cruciate ligament reconstruction
- bone remodeling
- graft-tunnel integration
- hamstring tendon graft
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