Article (Scientific journals)
Dominance effect on scapula 3-dimensional posture and kinematics in healthy male and female populations
Schwartz, Cédric; Croisier, Jean-Louis; Rigaux, Elise et al.
2014In Journal of Shoulder and Elbow Surgery, 23 (0), p. 873-881
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Keywords :
scapula; shoulder; dominance; gender; posture; kinematic; 3D
Abstract :
[en] Background: The contralateral shoulder is often used as a reference when evaluating a pathological shoulder. However literature provides contradictory results regarding the symmetry of the scapular pattern in a healthy population. We assume that several factors including the gender and the type of motion may influence the scapula bilateral symmetry. Method: The dominant and non dominant shoulders of two populations of men and women composed of 11 subjects each were evaluated for three distinct motions: flexion in the sagittal plane, abduction in the frontal plane and gleno-humeral internal/external rotation with the arm abducted at 90°. Posture, kinematic and range of motion were studied separately. Results: Asymmetries are observed for motions performed in the frontal and sagittal plane but not for the internal/external rotation with the arm abducted at 90°. Multiplane asymmetries are observed for the male population, whereas asymmetries for the female one are mainly uniplanar. For both men and women, the scapula has a larger upward rotation on the dominant side. For men, a larger posterior tilt is also observed. The asymmetries mainly originate in the scapula kinematic and not in its original posture. Discussion: Even if the asymmetries are not large in terms of amplitude (inferior to 5°), one should be aware of their existence and the influence of the composition of the studied population when using the contralateral shoulder as a reference.
Research center :
Laboratoire d'Analyse du Mouvement Humain (LAMH) - Université de Liège
Disciplines :
Orthopedics, rehabilitation & sports medicine
Author, co-author :
Schwartz, Cédric  ;  Université de Liège - ULiège > Département des sciences de la motricité > Kinésithérapie générale et réadaptation
Croisier, Jean-Louis ;  Université de Liège - ULiège > Département des sciences de la motricité > Kinésithérapie générale et réadaptation
Rigaux, Elise
Denoël, Vincent  ;  Université de Liège - ULiège > Département ArGEnCo > Analyse sous actions aléatoires en génie civil
Bruls, Olivier  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire des Systèmes Multicorps et Mécatroniques
Forthomme, Bénédicte ;  Université de Liège - ULiège > Département des sciences de la motricité > Rééducation du membre supérieur
Language :
English
Title :
Dominance effect on scapula 3-dimensional posture and kinematics in healthy male and female populations
Publication date :
2014
Journal title :
Journal of Shoulder and Elbow Surgery
ISSN :
1058-2746
eISSN :
1532-6500
Publisher :
Mosby, United States - Missouri
Volume :
23
Issue :
0
Pages :
873-881
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 27 November 2013

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