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Mechanical variations induce by foot orthoses on calcaneal fracture

This work is meant to quantify the benefits of the foot orthoses [1, 2] through the clinical case of a female patient aged 67 who broke her right calcaneum.

To investigate this, we implemented three experiments commonly used during podiatric examinations to assess walking parameters: the passive antepulsion test, the stabilo-baro-podometrie analysis [3, 4] and the Latero-Medial Index, measures taken immediately (T0) and after 16 days (T16) wearing plantar orthotics. (figure 1) Foot orthoses, deduced after clinical examination and quantitative analysis of walking, are molded, wisch are supplemented by the addition of specific low stimulations. The results clearly show the benefits on stability. The foot orthoses allows the patient to recover the normal use of the ankle thanks to the positive effects on support and movement of a fractured foot [5]. Therefore, the foot orthoses tends to improve the balance of the fractured foot. Moreover, these positive effects are persistent throughout the time.

Figure 1
figure 1

T0, Force Cuves without foot orthose. Left/Right and T16, Force Cuves without foot orthoses. Left/right

In a latter phase, the adjustments carried out on the foot orthoses that modify the foot simulation [3, 4], result in the improvement of the assessed parameters (static and dynamic). These variations tend to prove the benefits of the foot orthoses and justify the podiatric approach developed on this clinical case.


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This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The Creative Commons Public Domain Dedication waiver ( applies to the data made available in this article, unless otherwise stated.

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Breard, T., Janin, M. Mechanical variations induce by foot orthoses on calcaneal fracture. J Foot Ankle Res 7 (Suppl 1), A9 (2014).

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