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Reliability of ultrasound for measurement of selected foot structures

Crofts, GS, Angin, S, Mickle, KJ, Hill, S and Nester, CJ 2014, 'Reliability of ultrasound for measurement of selected foot structures' , Gait & Posture, 39 (1) , pp. 35-39.

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Abstract

Background: Understanding the relationship between the lower leg muscles, foot structures and function is essential to explain how disease or injury may relate to changes in foot function and clinical pathology. The aim of this study was to investigate the inter-operator reliability of an ultrasound protocol to quantify features of: rear, mid and forefoot sections of the plantar fascia (PF); flexor hallucis brevis (FHB); flexor digitorum brevis (FDB); abductor hallucis (AbH); flexor digitorum longus (FDL); flexor hallucis longus (FHL); tibialis anterior (TA); and peroneus longus and brevis (PER). Methods: A sample of 6 females and 4 males (mean age 29.1 x 7.2 years, mean BMI 25.5 x 4.8) was recruited from a university student and staff population. Scans were obtained using a portable Venue 40 musculoskeletal ultrasound system (GE Healthcare UK) with a 5–13 MHz wideband linear array probe with a 12.7 mm x 47.1 mm footprint by two operators in the same scanning session. Results: Intraclass Correlation Coefficients (ICC) values for muscle thickness (ICC range 0.90–0.97), plantar fascia thickness (ICC range 0.94–0.98) and cross sectional muscle measurements (ICC range 0.91–0.98) revealed excellent inter-operator reliability. The limits of agreement, relative to structure size, ranged from 9.0% to 17.5% for muscle thickness, 11.0–18.0% for plantar fascia, and 11.0–26.0% for cross sectional area measurements. Conclusions: The ultrasound protocol implemented in this work has been shown to be reliable. It therefore offers the opportunity to quantify the structures concerned and better understand their contributions to foot function.

Item Type: Article
Schools: Schools > School of Health Sciences > Centre for Health Sciences Research
Journal or Publication Title: Gait & Posture
Publisher: Elsevier
Refereed: Yes
ISSN: 0966-6362
Related URLs:
Funders: Non funded research
Depositing User: S Rafiq
Date Deposited: 14 Nov 2014 13:52
Last Modified: 06 Jan 2016 12:11
URI: http://usir.salford.ac.uk/id/eprint/33081

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