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Figure 15 | Scoliosis

Figure 15

From: Pathogenesis of adolescent idiopathic scoliosis in girls - a double neuro-osseous theory involving disharmony between two nervous systems, somatic and autonomic expressed in the spine and trunk: possible dependency on sympathetic nervous system and hormones with implications for medical therapy

Figure 15

Neuro-osseous timing of maturation ( NOTOM ) concept to explain the female susceptibility to progressive AIS in relation to the somatic nervous system. Height velocity (cm/year) is plotted against age in relation to putative postural maturation at 12 years of age in both sexes. The postural immaturity of girls due to their earlier growth spurt makes them more susceptible to curve progression than boys. A curve initiating factor is not identified in this concept. The age and sex effect of postural sway in healthy children needs further evaluation [71]. (Diagram modified from Burwell and Dangerfield [330–332]).

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