A general computing method for the analysis of human locomotion

Cappozzo, Aurelio; Leo, Tommaso; Pedotti, Antonio

Affiliations

¹Istituto di Fisiologia Umana dell'Università di Roma. I Cattedra di Fisiologia Umana, P. zale dells Scienze, 00185 Rome, Italy

²Centro di Studio dei Sistemi di Controllo e Calcolo Automatici del CNR, Istituto di Automatica dell’Università di Roma, Via Eudossiana, 18-00184 Rome, Italy

³Centro di Studio per la Teoria dei Sistemi del CSR, Istituto di Elettrotecnica ed Elettronica del Politecnico di Milano, P. zza Leonardo da Vinci, 32 20141 Milano, Italy

Abstract

This is a study of a method for obtaining a mathematical description of the most significant variables concerning kinematics and dynamics of human locomotion.

The method is characterized by a typical approach of system theory. It consists of an analytical procedure for the processing of data obtained by the most common experimental techniques in this area. i.e. photography for recording the movement, and the force platform for measuring the ground reactions.

The proposed mathematical algorithms have been designed to obtain the time functions of the variables cited above in an analytical form, and a measurement of the relative indefiniteness induced by experimental errors.

The results of the latter allows a critical evaluation of the experimental procedure. In particular, a maximum limit of the number of experimental data to be taken, can be evaluated.

The subsystem of the locomotor apparatus which the present work deals with, is the lower limb.

The method presented can be applied successfully to all of the gaits having a constant mean direction of progression and periodic time patterns.

Links

DOI: 10.1016/0021-9290(75)90083-4

PubMed: 1184602

WoS: A1975AR64700006

History

Received: 1974-07-16

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Cited By (35)

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