Ultrasound evaluation of Achilles tendon thickness in asymptomatics: A reliability study

Kharate, Priyanka and Chance-Larsen, Kenneth orcid iconORCID: 0000-0002-7619-4054 (2012) Ultrasound evaluation of Achilles tendon thickness in asymptomatics: A reliability study. International Journal of Physiotherapy and Rehabilitation, 2 . pp. 1-11. ISSN 2349-5987

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Abstract

Background: Achilles tendon disorders are among the most common maladies encountered in sports medicine. Increased tendon thickness is considered to be a risk factor for Achilles tendon disorders. Ultrasonography is currently the modality of choice that best demonstrate the Achilles tendon abnormalities. This study investigated Intra-rater reliability of ultrasound in Achilles tendon thickness measurements among asymptomatic’-s, performed by a qualified physiotherapist with limited ultrasound training.
Method: A test retest reliability design was used. 25 healthy participants were recruited from Sheffield Hallam University. Achilles tendon thickness measurements were performed on two occasions, approximately 30 minutes apart; by the same rater, under same testing conditions.
Results: The Intraclass correlation coefficient (ICC) for intra-rater reliability was found be excellent (ICC =0.935; 95% confidence interval, 0.88-0.96).
Implications: Ultrasound can be used in the field of physiotherapy as a clinical tool for prevention, assessment and monitoring rehabilitation of athletes.
Conclusion: Ultrasound evaluation of Achilles tendon thickness can be reliably performed by a qualified physiotherapist with limited ultrasound training. Further research is required to investigate inter rater reliability and among different patient populations with proper US training.


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