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Biology Articles » Anatomy & Physiology » Morphometry of acromion and its clinical implications

Morphometry of acromion and its clinical implications




TORRES, Alessandra Cavalcanti, RIBEIRO, Alice Sá Carneiro, MAUX, Danielle Augusta de Sá Xerita et al. 

Abstract : Previous studies demonstrated that the morphology of the acromion and its respective relations with the uppermost point of the glenoid and the coracoid process is very important in the determination of subacromial space. The variations of these structures can predispose the beginning of the Impingement Syndrome. However, there is a shortage of reports on hterature about the different acromion's morphometric samples. The purpose of this study was to determine a morphologic pattern of the acromion, through the determination of its length, thickness, front projection, and its relation with the uppermost point of the glenoid and the coracoid process. We used 60 scapulae (37 right and 23 left) of adults from Departamento de Anatomia da Universidade Federal de Pernambuco, Brazil. To measure the length, thickness and front projection of acromion, and the distances from acromion to the uppermost point of the glenoid and to the coracoid process were used a calipers and a tape measure. We found these results: acromion length: 4.96cm + 0.46 (74%); thickness: 0.72cm + 0.1 (72%); front projection: 4.11cm + 0.42 (67%); distance between acromion and the uppermost point of the glenoid: 2.95cm + 0.35 (67%); distance between acromion and coracoid process: 3.8cm + 0.52 (64%). We did not find differences between right and left scapulaes. The morphometric analysis of the acromion should be used like an auxiliary basis to studies that promote a better knowledge about the disease that appear in this area

Keywords: Acromion; Morphometry; Shoulder joint

Int. J. Morphol., Mar. 2007, vol.25, no.1, p.51-54. (Full text available in Spanish).

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