Graydon, R, Fewtrell, DJ, Atkins, SJ 
ORCID: https://orcid.org/0000-0001-9001-6839 and Sinclair, JK
2015,
'The test-retest reliability of different ankle joint center
location techniques'
, The Foot and Ankle Online Journal, 8 (1)
.
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Abstract
Accurate and reliable joint identification is imperative for the collection of meaningful kinetic and kinematic data. Of the lower kinetic chain both the hip and knee joints have received a considerable amount of attention in 3D modelling. However, the reliability of methods to define the ankle joint center have received very little attention. This study investigated the reliability of the two marker method (TMM) and the functional ankle method (FAM) on estimating the ankle joint center. Furthermore, the effects of the two-marker method reliability for defining the ankle joint center when the ankle was covered with a brace or protector was investigated. 3D kinematic data was collected from ten participants (8 female and 2 male) whilst walking. The ankle joint center was defined twice using each test condition; TMM (WITHOUT), FAM (FUNCTIONAL), TMM when the ankle was covered with a brace (BRACE), and TMM when the ankle was covered with a protector (PROTECTOR). Intraclass correlations (ICC) were utilised to compare test and retest waveforms and paired samples t-tests were used to compare angular parameters. Significant differences were found in the test-retest angular parameters in the transverse and sagittal planes for the WITHOUT, BRACE, and FUNCTIONAL conditions. The strongest test-retest ICC’s were observed in the WITHOUT and PROTECTOR conditions. The findings of the current investigation indicate that there are fewer errors using the TMM when the ankle is uncovered or when covered with soft foam that is easy to palpate through. Keywords: Biomechanics, motion analysis, gait analysis, ankle, reliability
| Item Type: | Article |
|---|---|
| Schools: | Schools > School of Health and Society > Centre for Health Sciences Research |
| Journal or Publication Title: | The Foot and Ankle Online Journal |
| Publisher: | International Foot & Ankle Foundation |
| ISSN: | 1941-6806 |
| Related URLs: | |
| Depositing User: | SJ Atkins |
| Date Deposited: | 07 Dec 2017 09:47 |
| Last Modified: | 16 Feb 2022 18:34 |
| URI: | https://usir.salford.ac.uk/id/eprint/44547 |
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