Volume 11, Issue 2 (Summer 2010)                   Vol. , No. , Season & Year , Serial No. | Back to browse issues page

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Nazary-Moghadam S, Nodehi_Moghadam A, A'rab A, Zeinal-Zade A. Scapular Kinematics: A Comparison between Females with and Without General Hypermobility Syndrome in Arm Elevation. jrehab. 2010; 11 (2) :8-14
URL: http://rehabilitationj.uswr.ac.ir/article-1-476-en.html
1- University of Social Welfare and rehabilitation sciences , nazary_salman@yahoo.com
2- University of Social Welfare and rehabilitation sciences
3- Shahid Beheshti University of Medical Sciences, Rehabilitation Faculti
Abstract:   (13688 Views)

Objective: Numerous studies showed increasing incidence of acute or recurrent dislocations of the shoulder joint in people with General Hypermobility Syndrome (GHS). Given the critical role of scapular orientation in function of shoulder, the aim of this study is to compare the parameters indicating position and orientation of scapula between females with and without General Hypermobility Syndrome in frontal and sagital plane in arm elevation.

Materials & Methods: In this cross sectional and case-control study, 16 females with General Hypermobility Syndrome were selected simply and conveniently and 16 healthy females were selected and matched by age, body mass index and menstrual status. A three dimensional motion analysis system (vicon 460) was used to measure scapular position (upper-lower and medial-lateral translations) and orientation (upward rotation, posterior tilt and internal rotation angle). Measurement were taken with the arm placed in different angles of arm elevation. Date analysis was performed with Independent T test.

Results: Upward rotation angles in sagital plane in 90º (P=0.03), 120º (P=0.01) and full range of arm elevation (P=0.04) were lower in case group as compared to control group. Also patients with General Hypermobility Syndrome showed a lesser amount of lateral scapular translation in 90º (P=0.02) and full range of sagital plane arm elevation (P=0.02). In addition, lateral scapular translation in 120º (P=0.02) and full range of frontal plane arm elevation (P=0.01) was lower in case group compared with control group.

Conclusion: Altered kinematics in General Hypermobility Syndrome has a greater role in shoulder injuries and neuromuscular defect  seems to be an underlying cause of scapular kinematicschr('39') changes in people with hypermobility syndrome.

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Type of Study: Original | Subject: General
Received: 3/07/2010 | Accepted: 25/01/2014 | Published: 25/01/2014

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