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Figure 14 | Scoliosis

Figure 14

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 14

Top views of thorax and left shoulder girdle in adult macaque and human. In the macaque, the ribcage is narrow laterally and deep sagittally, while in truncally-erect forms it is expanded laterally and shallow from front to back, to keep the center of gravity over the feet. This trunk widening shifts the scapulae from the side to the back of the ribcage with clavicular lengthening, and the shoulder joints facing laterally rather than forward (Diagram modified from Schultz [267]).

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