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    An Objective Methodology to Quantify Motor Skills in Basic Orthopaedic and Gynecologic Surgical Tasks

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    257668-Courier-Sharer.pdf
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    Thesis
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    Author
    Sharer, Sarah Kennedy
    Affiliation
    The University of Arizona College of Medicine - Phoenix
    Issue Date
    2011-02
    MeSH Subjects
    Surgical Procedures, Operative
    Computer Simulation
    Motor Skills
    Mentor
    Kahol, Kanav
    
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    Rights
    Copyright © is held by the author. Digital access to this material is made possible by the College of Medicine - Phoenix, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.
    Collection Information
    This item is part of the College of Medicine - Phoenix Scholarly Projects 2011 collection. For more information, contact the Phoenix Biomedical Campus Library at pbc-library@email.arizona.edu.
    Publisher
    The University of Arizona.
    Abstract
    This study is the initial step in the development of a basic skills simulator for surgical residents, intended to serve as a cross-platform objective motor skills training system. A robust system was developed to measure motor skills of orthopaedic surgeons and gynecologic surgeons. The orthopaedic study focused on three basic skills: drill, tap, and screw insertion. Each of the participants repeated the sequential task of drill, tap, screw insertion ten times in cadaveric femoral diaphyseal bone. The gynecologic study focused on placement of sutures across ten incisions in synthetic skin. Real time wrist, hand, and finger position was recorded bilaterally using Immersion CyberGloves® and the Ascension Liberty Tracker®. Four metrics were evaluated: task duration, gesture proficiency, hand movement smoothness (replaced by subjective rating in Gyn study), and number of errors, in order to differentiate between groups with different skill levels: No Skills, Limited Skills, Advanced Skills, and Expert Skills. The results demonstrated a significant difference between the Expert Skills group and the less skilled groups. In both studies the Expert Skills group completed the tasks the fastest, with the greatest proficiency, smoothness and accuracy. These results establish the 5 capability of our present skill quantification system and will assist in future improvement of the analysis algorithm.
    Description
    A Thesis submitted to The University of Arizona College of Medicine - Phoenix in partial fulfillment of the requirements for the Degree of Doctor of Medicine.
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    Scholarly Projects 2011

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