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Figure 13 | Scoliosis

Figure 13

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 13

Trunk skeletons of female primates reduced to the same total length. Widening of the trunk - chest, shoulder and pelvis, is characteristic of all higher primates. Chimpanzees have an inverted funnel-shaped upper thorax with narrow shoulders. The human pelvis has increased in width mainly through great enlargement of its sacral portions but it is short as in monkeys [267] (Diagram modified from Schultz [267] and Burwell et al [149]).

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