L'appogio podalico nel jogging - approccio baropodometrico

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Deutscher übersetzter Titel:Das Aufsetzen der Fuesse beim Jogging - Druckmessungen
Autor:Morini, S.; Ripani, M.; Masotto, L.
Erschienen in:Medicina dello sport
Veröffentlicht:49 (1996), 3, S. 337-345, Lit.
Format: Literatur (SPOLIT)
Publikationstyp: Zeitschriftenartikel
Medienart: Gedruckte Ressource
Sprache:Italienisch
ISSN:0025-7826, 1827-1863
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Erfassungsnummer:PU199703203232
Quelle:BISp

Abstract des Autors

The distribution of forces on the whole surface of the plantar region during the foot support allows one to individualize the overloaded places in the repetitive movements such as walking and running. The aim of this work is to study in what way the forces between the foot and the ground are distributed on the plantar region during jogging. Therefore we have examined parameters such as the support surface and the pressure that is exerted on it in every moment. We have studied the foot support during the running of 20 students of Physical Education (ISEF) by using a platform composed of 1024 sensors with the surface dimension of 1 cm**2. The platform is connected to a personal computer which records data coming from the sensors, so as to divide the total time of the foot support into intervals of 25 msec. The vertical force, the support surface, the medium and maximum pressure are supplied to each interval of time. In addition, a graph shows the pressure continuosly acting on the sole. This has allowed us first of all to evaluate the differences in the modality of the support: actually, some of the subjects had a first contact with the ground through the rearfoot, while others through the midfoot. The examination of the support surface in the temportal evolution demonstrates a complete support of the all plantar region also in those subjects whose support takes place initially with the midfoot. The place of appearance of the pressure centre is characteristic of the kind of support. It seems to be more behind in the projection of the sole when the contact with the ground was by means of the rearfoot, and more forward in the contact by means of the midfoot. As a consequence the evolution of the pressure is different: in the first case, it is mainly distributed on the whole sole. Moreover as the total time of foot support decreased, there was a tendency for it to assume the characteristics of contact with the anterior region of the foot. The forefoot is considered in any case as the region submitted to a major load of medium pressure, and maximum pressure, which is concentrated during the push phase. This can explain the beginning of different pathologies due to an overload of the foot's anterior region and of the muscle-tendinous tissue of the sole and the leg. Verf.-Referat