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Semin Musculoskelet Radiol 2003; 07(1): 005-018
DOI: 10.1055/s-2003-41081
Copyright © 2002 by Thieme Medical Publishers, Inc., 333 Seventh Avenue, New York, NY 10001, USA. Tel.: +1(212) 584-4662

Biomechanical Basis of Common Shoulder Problems

Derek R. Armfield1 , Robert L. Stickle1 , Douglas D. Robertson1 , Jeffery D. Towers1 , Richard E. Debski2
  • 1Department of Radiology, University of Pittsburgh Medical Center, Pittsburgh, PA
  • 2Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA
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Publication History

Publication Date:
30 July 2003 (online)

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ABSTRACT

Balancing mobility and stability, the biomechanics of the shoulder provides optimal use of the thumb and hand. More than a glenohumeral joint, the shoulder complex consists of four joints and numerous muscles and ligaments. Injuries to the shoulder result from overuse, extremes of motion, and excessive forces. This review describes basic shoulder biomechanics, their role in impingement and instability, and how imaging can detail shoulder function and dysfunction.

KEYWORDS

Shoulder problems - glenohumeral joint - rotator cuff dysfunction - overhead athlete - biomechanics

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