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Three-dimensional motion of the scapula and shoulder during activities of daily living.

Authors
Sheikhzadeh-A; Yoon-J; Pinto-VJ; Kwon-YW
Source
J Shoulder Elbow Surg 2008 Nov-Dec; 17(6):936-942
NIOSHTIC No.
20035088
Abstract
The purpose of this study was to describe 3-dimensional scapular motion during the activities of daily living (ADL) and the full range of arm motion, and to suggest a standardized method for evaluating scapular mobility. Eight healthy subjects between the ages of 25-40, with no prior history of shoulder pathology or surgery for the past 12 months, were recruited for this study. Touching 8 predetermined landmarks on the head and the trunk was used to simulate ADL. Touching the contralateral ear and contralateral shoulder resulted in the maximum scapular protraction 46 degrees (8 degrees) and 48 degrees (8 degrees), respectively, and the maximum degrees of the scapular anterior tilt, -11 degrees (4 degrees) and -11 degrees (5 degrees), respectively. Asking patients to reach to the back of the neck, and the contralateral shoulder, the clinician can evaluate the overall scapular mobility in all directions. A protocol controlling the performance variability during ADL tasks was suggested to improve the clinical evaluation of the shoulder joint complex. Findings of this study can guide clinicians to identify specific tasks which may relate to particular shoulder girdle dysfunction.
Keywords
Musculoskeletal-system; Muscle-contraction; Muscle-function; Muscle-physiology; Muscle-stress; Muscle-tension; Motion-studies; Posture; Skeletal-movement; Skeletal-stress; Skeletal-system
Contact
Ali Sheikhzadeh PhD, Occupational and Industrial Orthopedic Center, New York University-Hospital for Joint Diseases, 63 Downing Street, New York, NY 10014
CODEN
JSESBU
Publication Date
20081101
Document Type
Journal Article
Email Address
as54@nyu.edu
Funding Type
Cooperative Agreement
Fiscal Year
2009
NTIS Accession No.
NTIS Price
Identifying No.
Cooperative-Agreement-Number-U50-OH-007548
Issue of Publication
6
ISSN
1058-2746
Source Name
Journal of Shoulder and Elbow Surgery
State
IA; NY
Performing Organization
University of Iowa
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