SUMMARY OF BACKGROUND DATA: Hereditary and mechanical factors are considered to be the principal etiologic factors of Scheuermann's disease. OBJECTIVES: The authors report identical twins presenting similar lesions of localized lumbar osteochondrosis, which were worse in the one twin that practiced strenuous sports activities. CONCLUSIONS: These observations suggest, at least in some of these patients, a basic role for genetic factors in the occurrence of the disease and an influence of mechanical strain on its severity.
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Linthoudt et al. (1994) studied this question.