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Statokinesimetric characteristics were analysed in patients with scoliosis which had developed in the course of degenerative neuromuscular disorders and in patients with adolescent idiopathic scoliosis. Patients with Duchenne and limb- girdle muscular dystrophy and spinal muscular atrophy showed markedly decreased oscillations of the body's centre of gravity, in addition to a forward shift of its mean position. Thus the postural equilibrium in neuromuscular patients with scoliosis is even more efficiently controlled than normal. On the other hand, patients with idiopathic scoliosis did not show any significant changes as compared with normal subjects. The present study therefore does not support the suggestion that the pathogenesis of scoliosis, at least in neuromuscular patients, is triggered by an impairment of descending postural control.
Gregorič et al. (1981) studied this question.