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Foot modeling and smart plantar pressure reconstruction from three sensors.

Ghaida HA, Mottet S, Goujon JM - Open Biomed Eng J (2014)

Bottom Line: In a second part, we show that just 3 discrete pressure sensors per foot are enough to generate real time plantar pressure cartographies in the standing position or during walking.Finally, the generated cartographies are compared with pressure cartographies issued from the F-SCAN system.The results show 0.01 daN (2% of full scale) average error, in the standing position.

View Article: PubMed Central - PubMed

Affiliation: CNRS-Foton, UMR 6082, Lannion, France.

ABSTRACT
In order to monitor pressure under feet, this study presents a biomechanical model of the human foot. The main elements of the foot that induce the plantar pressure distribution are described. Then the link between the forces applied at the ankle and the distribution of the plantar pressure is established. Assumptions are made by defining the concepts of a 3D internal foot shape, which can be extracted from the plantar pressure measurements, and a uniform elastic medium, which describes the soft tissues behaviour. In a second part, we show that just 3 discrete pressure sensors per foot are enough to generate real time plantar pressure cartographies in the standing position or during walking. Finally, the generated cartographies are compared with pressure cartographies issued from the F-SCAN system. The results show 0.01 daN (2% of full scale) average error, in the standing position.

No MeSH data available.


Related in: MedlinePlus

Left and right, foot plantar pressure measured andextrapolated during standing.
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Related In: Results  -  Collection

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Figure 8: Left and right, foot plantar pressure measured andextrapolated during standing.

Mentions: We now compare the simulated maps to the measured F-Scan pressure maps. Fig. (8) shows the plantar pressure measured for one of the standing positions that the extrapolated plantar pressure from the model highlights the anatomically support zones under the foot, such as the heel and the forefoot.


Foot modeling and smart plantar pressure reconstruction from three sensors.

Ghaida HA, Mottet S, Goujon JM - Open Biomed Eng J (2014)

Left and right, foot plantar pressure measured andextrapolated during standing.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4231377&req=5

Figure 8: Left and right, foot plantar pressure measured andextrapolated during standing.
Mentions: We now compare the simulated maps to the measured F-Scan pressure maps. Fig. (8) shows the plantar pressure measured for one of the standing positions that the extrapolated plantar pressure from the model highlights the anatomically support zones under the foot, such as the heel and the forefoot.

Bottom Line: In a second part, we show that just 3 discrete pressure sensors per foot are enough to generate real time plantar pressure cartographies in the standing position or during walking.Finally, the generated cartographies are compared with pressure cartographies issued from the F-SCAN system.The results show 0.01 daN (2% of full scale) average error, in the standing position.

View Article: PubMed Central - PubMed

Affiliation: CNRS-Foton, UMR 6082, Lannion, France.

ABSTRACT
In order to monitor pressure under feet, this study presents a biomechanical model of the human foot. The main elements of the foot that induce the plantar pressure distribution are described. Then the link between the forces applied at the ankle and the distribution of the plantar pressure is established. Assumptions are made by defining the concepts of a 3D internal foot shape, which can be extracted from the plantar pressure measurements, and a uniform elastic medium, which describes the soft tissues behaviour. In a second part, we show that just 3 discrete pressure sensors per foot are enough to generate real time plantar pressure cartographies in the standing position or during walking. Finally, the generated cartographies are compared with pressure cartographies issued from the F-SCAN system. The results show 0.01 daN (2% of full scale) average error, in the standing position.

No MeSH data available.


Related in: MedlinePlus