Manufacture of a mechanical test rig to simulate the movements of forces within the shoulder

Farhad Nabhani, Martin McKie, Simon Hodgson

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The shoulder complex, also known as the glenohumeral joint is the most manoeuvrable and one of the most well used joints of the human body. Over time problems can occur with the glenohumeral joint and surrounding muscles, cartilage, tendons and ligaments caused by ageing or by over stressing the shoulder complex. This work examines the design of a new innovative glenohumeral test rig. The test rig was required to imitate the movement of the humerus in the human body and replicate all the ranges of motion, which it can move in when combined with the relevant bones, muscles, ligaments and tendons in the shoulder complex. A variable force also had to be applied to the glenoid in all ranges of motion. Research had to be undertaken in the ranges of motion of the shoulder complex and the forces acting on the glenoid. Concept designs were initially created to mimic specific ranges of motion; adduction, flexion, internal (medial) and external (lateral) rotation for example. The concepts were evolved and combined to develop a test rig that would replicate any axial movement of the shoulder. Research determined the most appropriate manufacturing processes and materials so that the test rig could be manufactured in the material laboratories.

Original languageEnglish
Pages (from-to)1008-1014
Number of pages7
JournalRobotics and Computer-Integrated Manufacturing
Volume25
Issue number6
DOIs
Publication statusPublished - 1 Dec 2009

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