10/4/2023 0 Comments Saddle bone deformity flat feetThe dislocation appears to be due to a combination of laxity of the connective tissue that normally keeps the hip together along with the low muscle tone found in DS. This dislocation may or may not be associated with malformation of the acetabulum. In this condition, the head of the thigh bone (the femur) moves out of the socket formed by the pelvis (the acetabulum). The most common condition is dislocation of the hip, which is also called subluxation. Hip Five to eight percent of children with DS will develop abnormalities of the hip. Treatment of scoliosis remains the same as in other children, with bracing being the initial therapy, followed by surgical intervention if necessary. In the era when almost all children with DS were institutionalized, scoliosis may have been seen in up to half of them as they became adolescents. While it appears to be more common in people with DS, the exact incidence isn't known. I have more information on this condition in a separate essay on my website.Īnother condition associated with the spine in Down syndrome is scoliosis, which is the curvature of the spine to the side. The major condition associated with the spine in Down syndrome is Atlantoaxial instability, which is the looseness between the first and second vertebrae of the neck. In this essay, I'll discuss conditions categorized by body sections. While these conditions are more common in people with DS than in the general population, it is worthwhile to note that the majority of people with DS will not have any of the disorders I'm discussing in this essay. The combination of this ligamentous laxity and low muscle tone contribute to orthopedic problems in people with Down syndrome. The resulting effect in people with DS is increased laxity, or looseness, of the ligaments that attach bone to bone and muscle to bone. One of the types of collagen (type VI) is encoded by a gene found on the 21st chromosome. Collagen is the major protein that makes up ligaments, tendons, cartilage, bone and the support structure of the skin. Almost all of the conditions that effect the bones and joints of people with Down syndrome arise from the abnormal collagen found in Down syndrome.
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