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Fig. 9 | Scoliosis and Spinal Disorders

Fig. 9

From: Brace technology thematic series: the 3D Rigo Chêneau-type brace

Fig. 9

The so-called D modifier is necessary when there is a structural curve in the proximal thoracic region. In such a case, the classical approach has to be modified to this “D modifier” design. The proximal pad has a unique component, like the main pad acting dorsally at the main thoracic region, but its radius is smaller. It does not work so high like the classical proximal pad but still high enough to produce correction of the main thoracic curve as the third proximal point of the “three-point system.” The classical approach is not the best for this case because it will tend to increase the proximal structural curve, if this is already present in a clear way or hidden. The “D modifier” can be complemented by a compressing-traction principle (Fig. 12a)

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