Kebaetse M, McClure P, Pratt NE.
Thoracic position effect on shoulder range of motion, strength, and three-dimensional scapular kinematics.
Arch Phys Med Rehabil 1999 ; 80 : 945-50.
To determine the effect of thoracic posture on scapular movement patterns, active range of motion (ROM) in scapular plane abduction, and isometric scapular plane abduction muscle force.
Repeated measures design.
There were 34 healthy subjects (mean age, 30.2yrs).
Each subject was positioned and stabilized while sitting in both erect and slouched trunk postures.
In each sitting posture a three-dimensional electromechanical digitizer was used to measure thoracic flexion and scapular position and orientation in three planes.
Measurements were taken with the arm (1) at the side, (2) abducted to horizontal in the scapular plane, and (3) at maximum scapular plane abduction.
In each posture, isometric abduction muscle force was measured with the arm at the side and abducted to horizontal in the scapular plane.
In the slouched posture, the scapula was significantly more elevated in the interval between 0 to 90° abduction.
In the interval between 90° and maximum abduction, the slouched posture resulted in significantly less scapular posterior tilting.
There was significantly less active shoulder abduction ROM in the slouched posture (mean difference=23.6° ± 10.7°). (...)
Mots-clés Pascal : Position, Thorax, Epaule, Mouvement, Force motrice, Cinétique, Mesure, Physique, Influence, Homme, Individu sain
Mots-clés Pascal anglais : Position, Thorax, Shoulder, Motion, Motive force, Kinetics, Measurement, Physics, Influence, Human, Healthy subject
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Inist-CNRS - Institut de l'Information Scientifique et Technique
Cote : 99-0430974
Code Inist : 002B30A01C. Création : 22/03/2000.