Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/22431
Title: Sonographic measurement of Achilles tendons in asymptomatic subjects : variation with age, body height, and dominance of ankle
Authors: Pang, BSF
Ying, M 
Keywords: Achilles tendon
Age
Body height
Dominance of ankle
Issue Date: 2006
Publisher: American Institute for Ultrasound in Medicine
Source: Journal of ultrasound in medicine, 2006, v. 25, no. 10, p. 1291-1296 How to cite?
Journal: Journal of ultrasound in medicine 
Abstract: Objective. This study was undertaken to evaluate the thickness, cross-sectional area, and length of Achilles tendons in asymptomatic subjects of different age groups and heights and between dominant and nondominant ankles. Methods. High-resolution sonographic examinations of Achilles tendons were performed in 40 healthy subjects (14 men and 26 women). The subjects were categorized into 4 age groups: (1) 20 to 29 years, (2) 30 to 39 years, (3) 40 to 49 years, and (4) 50 years or older. The thickness, cross-sectional area, and length of the Achilles tendons of both ankles were measured. All Achilles tendons were measured with the ankle in a relaxed, neutral position. Results. There was no significant difference in the thickness and length of Achilles tendons among subjects of different age groups (P > .05). The Achilles tendon cross-sectional area of subjects 50 years or older was significantly larger than that of subjects in the younger age groups (P < .05). There was a positive correlation between the height of the subjects and the length, thickness, and cross-sectional area of the Achilles tendons; however, the correlation coefficient was low (r = 0.07-0.28; P > .05). Dominance of ankles did not affect the thickness and length of the Achilles tendons, whereas the cross-sectional area of the tendons was significantly larger in the dominant ankles (P < .05). Conclusions. Sonography is a useful imaging tool in the evaluation of Achilles tendons. Normal variations of the tendon morphologic characteristics should be considered in the clinical diagnosis.
URI: http://hdl.handle.net/10397/22431
ISSN: 0278-4297
EISSN: 1550-9613
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