Abstract
The authors of the presented article analyze the pathological manifestations of the osteoarticular system against the background of an existing hereditary disorder of the development of connective tissue. In addition, other changes in the internal organs and the hematopoietic system have been studied. On the basis of the city children's polyclinic, 125 children were registered with a diagnosis of bad posture in the frontal plane against the background of hereditary disorders of the development of connective tissue. They were included in the main group. 30 children of the same age and gender presented a comparison group with a diagnosis of bad posture in the frontal plane without hereditary impairment of connective tissue development. The dynamic observation involved 30 healthy children as a control group. Changes were observed among children of preschool age at preventive examinations in kindergartens, scheduled outpatient visits. Hypotension of the muscles that straighten the spine and bad posture was diagnosed.