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Bone & Joint Research
Vol. 8, Issue 11 | Pages 509 - 517
1 Nov 2019
The anterolateral ligament is a secondary stabilizer in the knee joint
Kang K Koh Y Park K Choi C Jung M Shin J Kim S
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Objectives

The aim of this study was to investigate the biomechanical effect of the anterolateral ligament (ALL), anterior cruciate ligament (ACL), or both ALL and ACL on kinematics under dynamic loading conditions using dynamic simulation subject-specific knee models.

Methods

Five subject-specific musculoskeletal models were validated with computationally predicted muscle activation, electromyography data, and previous experimental data to analyze effects of the ALL and ACL on knee kinematics under gait and squat loading conditions.

Bone & Joint Research
Vol. 7, Issue 5 | Pages 357 - 361
1 May 2018
The biological response to laser-aided direct metal-coated Titanium alloy (Ti6Al4V)
Shin T Lim D Kim YS Kim SC Jo WL Lim YW
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Objectives

Laser-engineered net shaping (LENS) of coated surfaces can overcome the limitations of conventional coating technologies. We compared the in vitro biological response with a titanium plasma spray (TPS)-coated titanium alloy (Ti6Al4V) surface with that of a Ti6Al4V surface coated with titanium using direct metal fabrication (DMF) with 3D printing technologies.

Methods

The in vitro ability of human osteoblasts to adhere to TPS-coated Ti6Al4V was compared with DMF-coating. Scanning electron microscopy (SEM) was used to assess the structure and morphology of the surfaces. Biological and morphological responses to human osteoblast cell lines were then examined by measuring cell proliferation, alkaline phosphatase activity, actin filaments, and RUNX2 gene expression.

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