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Full-Text Articles in Musculoskeletal System

An Investigation On The Influences Of Radial Head Hemiarthroplasty Stem Fixation Techniques On Articular Mechanics, Jakub Szmit Nov 2020

An Investigation On The Influences Of Radial Head Hemiarthroplasty Stem Fixation Techniques On Articular Mechanics, Jakub Szmit

Electronic Thesis and Dissertation Repository

Radial head hemiarthroplasty design has been extensively studied with a focus on utilizing the geometrical characteristics of the native radial dish as a guide of implant placement and design. Although implant design has been studied, optimal radial head implant fixation technique remains unknown. This thesis focused on the effect of stem fit on radiocapitellar contact mechanics, using both finite element and experimental bench-top approaches. Additionally, investigation into the impact of varus/valgus malalignment of the radial head in both the native state and following hemiarthroplasty was conducted. It was found that loose fitting a smooth stem axisymmetric radial head implant through …


Optimization Of Primary Cilia Detection In Musculoskeletal Tissue, Ragen Engel Jan 2019

Optimization Of Primary Cilia Detection In Musculoskeletal Tissue, Ragen Engel

Williams Honors College, Honors Research Projects

The objective of this research project was to optimize a laboratory technique for visualizing primary cilia in musculoskeletal tissue of young swine, specifically the growth plate of long bones. This was accomplished through varying fixation procedures, antigen retrieval methods, antibody concentrations, and incubation times. By varying these parameters, a reproducible procedure was developed to examine the primary cilia in multiple tissues including ligament, fascia, and growth plate. This experiment introduced variances in fixation methods, with methanol or formalin. Paraffin and frozen embedding techniques were also varied for comparison with regards to cilia visualization. Results from the acetylated alpha tubulin (aTUB) …