Three-dimensional kinematics of glenohumeral elevation

K. N. An, A. O. Browne, S. Korinek, S. Tanaka, B. F. Morrey

Research output: Contribution to journalArticle

149 Citations (Scopus)

Abstract

To help resolve longstanding uncertainties about kinematics of the shoulder, we studied three-dimensional glenohumeral joint motion during arm elevation. A magnetic tracking system was used to monitor the three-dimensional orientation of the humerus with respect to the scapula. Appropriate coordinate transformations were then performed for the calculation of glenohumeral joint rotation based on the defined Eulerian angle. The effects of the plane of elevation and the humeral rotation on the magnitude of arm elevation were documented. The maximum humeral elevation at the glenohumeral joint took place in a plane anterior to the scapular plane. Maximum elevation in all planes anterior to the scapular plane required external axial rotation of the humerus. Conversely, internal axial rotation was necessary for maximum elevation posterior to the scapular plane. Quantifying the obligatory axial rotation explains the relationship of internal and external rotation with maximum elevation.

Original languageEnglish (US)
Pages (from-to)143-149
Number of pages7
JournalJournal of Orthopaedic Research
Volume9
Issue number1
DOIs
StatePublished - Jan 1991

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Biomechanical Phenomena
Shoulder Joint
Humerus
Arm
Scapula
Uncertainty

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine

Cite this

An, K. N., Browne, A. O., Korinek, S., Tanaka, S., & Morrey, B. F. (1991). Three-dimensional kinematics of glenohumeral elevation. Journal of Orthopaedic Research, 9(1), 143-149. https://doi.org/10.1002/jor.1100090117

Three-dimensional kinematics of glenohumeral elevation. / An, K. N.; Browne, A. O.; Korinek, S.; Tanaka, S.; Morrey, B. F.

In: Journal of Orthopaedic Research, Vol. 9, No. 1, 01.1991, p. 143-149.

Research output: Contribution to journalArticle

An, KN, Browne, AO, Korinek, S, Tanaka, S & Morrey, BF 1991, 'Three-dimensional kinematics of glenohumeral elevation', Journal of Orthopaedic Research, vol. 9, no. 1, pp. 143-149. https://doi.org/10.1002/jor.1100090117
An, K. N. ; Browne, A. O. ; Korinek, S. ; Tanaka, S. ; Morrey, B. F. / Three-dimensional kinematics of glenohumeral elevation. In: Journal of Orthopaedic Research. 1991 ; Vol. 9, No. 1. pp. 143-149.
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