English: According to the Axial Twist Theory, the early embryo develops a twist in the head region. It separates the face (with eyes, nose and mouth) from the ears and the rest of the body. It predicts the aurofacial asymmetry (the face sits a bit to the left with respect to the ears), but also why in skoliosis the trunk (with the spine) faces asymmetrically to the right.
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Captions
Caricature showing the external asymmetries due to the axial twist