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|Title: ||Limitations of functionally determined joint centres for analysis of athletic human movement: a case study of the upper limb|
|Authors: ||Roosen, Andy|
Pain, Matthew T.G.
|Keywords: ||3D motion analysis|
Instant centre of rotation
|Issue Date: ||2009|
|Publisher: ||© Human Kinetics, Inc.|
|Citation: ||ROOSEN, A., PAIN, M.T.G. and BEGON, M., 2009. Limitations of functionally determined joint centres for analysis of athletic human movement: a case study of the upper limb. Journal of Applied Biomechanics, 25 (4), pp.281-292.|
|Abstract: ||Much research is ongoing into improving the accuracy of functional algorithms to determine joint centres (JC), but there has been limited testing using human movement data. This paper is in three parts: Part 1, errors in determining JCs from real human movement data using the SCoRE method; Part 2, variability of marker combinations during a punch; Part 3, variability in the JC due to reconstruction. Results indicate determining the JC of the shoulder or elbow with a triad of markers per segment with an accuracy greater than 20 mm is unlikely. Part 2 suggests conducting a pilot study with abundant markers to obtain triads which are most stable due to differences of 300 to 400% in variability between triads. Variability due to the choice of reference frame for reconstruction during the punch ranged from 2.5 to 13.8 mm for the shoulder and 1.5 to 21.1 mm for the elbow. It would appear pertinent to enhance the practical methods in situ than to further improve theoretical accuracy of functional methods.|
|Description: ||This article was published in the Journal of Applied Biomechanics [© Human Kinetics] and the definitive version is available at: http://journals.humankinetics.com/jab|
|Version: ||Accepted for publication|
|Appears in Collections:||Published Articles (Sport, Exercise and Health Sciences)|
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