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Titolo:
Dynamics of children with torsional anomalies of the lower limb joints
Autore:
Marghitu, DB; Hobatho, MC;
Indirizzi:
Auburn Univ, Dept Mech Engn, Auburn, AL 36849 USA Auburn Univ Auburn AL USA 36849 niv, Dept Mech Engn, Auburn, AL 36849 USA Hotel Dieu, INSERM, U305, Toulouse, France Hotel Dieu Toulouse FranceHotel Dieu, INSERM, U305, Toulouse, France
Titolo Testata:
CHAOS SOLITONS & FRACTALS
fascicolo: 13, volume: 12, anno: 2001,
pagine: 2411 - 2419
SICI:
0960-0779(200110)12:13<2411:DOCWTA>2.0.ZU;2-2
Fonte:
ISI
Lingua:
ENG
Soggetto:
HUMAN LOCOMOTION; COORDINATION; WALKING; ENERGY; GAIT;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
20
Recensione:
Indirizzi per estratti:
Indirizzo: Marghitu, DB Auburn Univ, Dept Mech Engn, 202 Ross Hall, Auburn, AL 36849 USA Auburn Univ 202 Ross Hall Auburn AL USA 36849 n, AL 36849 USA
Citazione:
D.B. Marghitu e M.C. Hobatho, "Dynamics of children with torsional anomalies of the lower limb joints", CHAOS SOL F, 12(13), 2001, pp. 2411-2419

Abstract

In this study we used the techniques of nonlinear dynamics to analyze the stability of normal and pathological gait in children, We based the analysis on the assumption that a human at steady-state locomotion can be represented as a nonlinear periodic system. Kinematic data for the lower limb joints were used to construct phase plane portraits and first return maps for the hip, the knee and the ankle joints. Anomalies in the joint rotations of pathological individuals were graphically depicted by comparing the phase plane portraits and first return maps. Using the Floquet theory, an index of dynamic stability was used to compare normal and pathological gait. (C) 2001 Elsevier Science Ltd. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 06/04/20 alle ore 02:10:59