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Design and Fabrication of an Elbow Motion Simulator

Magnusen, Joshua (2005) Design and Fabrication of an Elbow Motion Simulator. Master's Thesis, University of Pittsburgh. (Unpublished)

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Uncertainty and a lack of knowledge regarding restoration of proper function following an elbow injury create a need for expanding the understanding of elbow operation. An elbow motion simulator that is capable of producing motion in a cadaver forearm is designed and developed. This device will advance the capabilities of similar preceding elbow simulators by physically simulating the full range of motion and force-loading conditions in the elbow. Electric cylinders are used to simulate the muscles. The five muscles that are modeled are the biceps, brachialis, triceps, brachioradialis, and pronator teres. A braided cable attached to the cylinders inserts on the arm at each muscle's tendonous insertion. Custom-designed pulley systems are developed for the muscles to maintain an accurate line of action within the cable by preserving a physiological moment arm about the joint of rotation. The arm specimen is secured by means of a humeral clamp that holds the humeral shaft secure during experimentation. The device can be rotated to test in either a varus or a valgus orientation. Preliminary testing with a wooden arm model is performed to verify the simulator's capabilities.


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Item Type: University of Pittsburgh ETD
Status: Unpublished
CreatorsEmailPitt UsernameORCID
ETD Committee:
TitleMemberEmail AddressPitt UsernameORCID
Committee ChairVipperman, Jeffreyjsv@pitt.eduJSV
Committee MemberMiller,
Committee MemberSmolinski, Patrickpatsmol@pitt.eduPATSMOL
Date: 28 January 2005
Date Type: Completion
Defense Date: 3 August 2004
Approval Date: 28 January 2005
Submission Date: 30 September 2004
Access Restriction: No restriction; Release the ETD for access worldwide immediately.
Institution: University of Pittsburgh
Schools and Programs: Swanson School of Engineering > Mechanical Engineering
Degree: MSME - Master of Science in Mechanical Engineering
Thesis Type: Master's Thesis
Refereed: Yes
Uncontrolled Keywords: elbow motion simulator; joint simulation
Other ID:, etd-09302004-112454
Date Deposited: 10 Nov 2011 20:02
Last Modified: 15 Nov 2016 13:50


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