Journal of Rehabilitation Research & Development (JRRD)

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Volume 51 Number 4, 2014
   Pages 623 — 634

Abstract — Assessment of gait stability, harmony, and symmetry in subjects with lower-limb amputation evaluated by trunk accelerations

Marco Iosa, PhD;1* Francesco Paradisi, MSc;1–2 Stefano Brunelli, MD;1 Anna Sofia Delussu, MD, PhD;1 Roberto Pellegrini, CPO;3 Daniele Zenardi, CPO;3 Stefano Paolucci, MD;1 Marco Traballesi, MD1

1Santa Lucia Foundation, Scientific Institute for Research, Hospitalization and Health Care, Rome, Italy; 2Department of Human Movement and Sport Sciences, Interuniversity Centre of Bioengineering of the Human Neuromusculoskeletal System, University of Rome “Foro Italico,” Rome, Italy; 3ITOP SpA Officine Ortopediche, Rome, Italy

Abstract — Analysis of upper-body accelerations is a promising and simple technique for quantitatively assessing some general features of gait such as stability, harmony, and symmetry. Despite the growing literature on elderly healthy populations and neurological patients, few studies have used accelerometry to investigate these features in subjects with lower-limb amputation. We enrolled four groups of subjects: subjects with transfemoral amputation who walked with a locked knee prosthesis, subjects with transfemoral amputation who walked with an unlocked knee prosthesis, subjects with transtibial amputation, and age-matched nondisabled subjects. We found statistically significant differences for stability (p < 0.001), harmony (p < 0.001), and symmetry (p < 0.001) of walking, with general trends following the noted order of subjects, but with the lowest laterolateral harmony in subjects with transtibial amputation. This study is the first to investigate upper-body acceleration of subjects with unilateral lower-limb amputation during walking who were evaluated upon dismissal from a rehabilitation hospital; it is also the first study to differentiate the sample in terms of level of amputation and type of prosthesis used.

Key words: accelerometry, ambulation, amputation, biomechanics, dynamic balance, gait, mobility, movement analysis, prosthesis, rehabilitation.

View HTML ¦ View PDF ¦ Contents Vol. 51, No.4

This article and any supplementary material should be cited as follows:
Iosa M, Paradisi F, Brunelli S, Delussu AS, Pellegrini R, Zenardi D, Paolucci S, Traballesi M. Assessment of gait stability, harmony, and symmetry in subjects with lower-limb amputation evaluated by trunk accelerations. J Rehabil Res Dev. 2014;51(4):623–34.
ResearcherID/ORCID: Marco Iosa, PhD: 0000-0003-2434-3887

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