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Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/2318

Title: Biomechanical assessment of plantar foot tissue in diabetic patients using an ultrasound indentation system
Authors: Zheng, Yong-Ping
Choi, Y. K. C.
Wong, K.
Chan, S.
Mak, Arthur F. T.
Subjects: Biomechanics
Diabetic foot
Indentation test
Plantar tissue
Ultrasound instrumentation
Ulceration
Issue Date: Mar-2000
Publisher: Elsevier for the World Federation for Ultrasound in Medicine and Biology
Citation: Ultrasound in medicine and biology, Mar. 2000, v. 26, no. 3, p. 451-456.
Abstract: The biomechanical properties of plantar tissues were investigated for four older neuropathic diabetic patients and four healthy younger subjects. Indentation tests were performed at four high-pressure areas with three postures in each subject. The tissue thickness and effective Young's modulus were measured by an ultrasound (US) indentation system. The system comprised a pen-size probe having a US transducer at the tip and a load cell connected in series with it. Results showed that the plantar soft tissues of the elderly diabetic patients were significantly stiffer and thinner when compared with the healthy young subjects. For the diabetic subjects tested, the Young's modulus at the 1st metatarsal head was significantly larger than those at the other three sites. This site-dependence was not observed in the healthy young subjects. The plantar tissue became significantly stiffer in the healthy young subjects as a result of posture changes. This posture-dependence of the Young's modulus was not established for the elderly diabetic group.
Description: DOI: 10.1016/S0301-5629(99)00163-5
Rights: Ultrasound in Medicine & Biology © 2000 World Federation for Ultrasound in Medicine & Biology. The journal web site is located at http://www.sciencedirect.com.
Type: Journal/Magazine Article
URI: http://hdl.handle.net/10397/2318
ISSN: 0301-5629
Appears in Collections:HTI Journal/Magazine Articles

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