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EnglishFalls in the elderly represent a major community and public health problem [Heinrich, 2010]. Stability of locomotion is one of the more important factors for the clinicians to look for during assessment procedure [Hurmuzlu, 1994]. Many stability indices have been proposed for clinical application; some authors applied orbital stability analysis (via Maximum Floquet multipliers, maxFM) to biomechanics with promising results [Dingwell, 2007], but still the use of this technique in the assessment of fall risk has been deemed controversial [Hamacher, 2011]. The possibility to obtain reliable orbital stability measures from a light portable device such as a single inertial sensor could fasten the acquisition procedure, but still it is not clear how experimental characteristics affect the results. Simulations represent a powerful tool to test reliability of results. The aim of this study was to compare orbital stability results coming from acceleration data of a stable walking model to experimental results obtained with the same implementation.
| Titolo: | COMPARISON BETWEEN MODEL AND EXPERIMENTAL ORBITAL STABILITY ANALYSIS OF GAIT |
| Autore/i: | RIVA, FEDERICO; MAYBERRY, KRISTINA JOHNSDOTTER; STAGNI, RITA |
| Autore/i Unibo: | |
| Anno: | 2012 |
| Rivista: | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/S0021-9290(12)70228-2 |
| Abstract: | Falls in the elderly represent a major community and public health problem [Heinrich, 2010]. Stability of locomotion is one of the more important factors for the clinicians to look for during assessment procedure [Hurmuzlu, 1994]. Many stability indices have been proposed for clinical application; some authors applied orbital stability analysis (via Maximum Floquet multipliers, maxFM) to biomechanics with promising results [Dingwell, 2007], but still the use of this technique in the assessment of fall risk has been deemed controversial [Hamacher, 2011]. The possibility to obtain reliable orbital stability measures from a light portable device such as a single inertial sensor could fasten the acquisition procedure, but still it is not clear how experimental characteristics affect the results. Simulations represent a powerful tool to test reliability of results. The aim of this study was to compare orbital stability results coming from acceleration data of a stable walking model to experimental results obtained with the same implementation. |
| Data prodotto definitivo in UGOV: | 28-mag-2013 |
| Appare nelle tipologie: | 1.06 Abstract in rivista |
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