Load transfer was related to severity of all deformities.
Skeletal deformities, such as a twisted spine (scoliosis), curved spine (humpback), or bowed legs.
As the disease progresses, hearing and vision are carefully monitored and imaging studies of the bones are frequently done to watch for the development of deformities.
Social adjustment problems are common among young children with physical deformities caused by the condition.
Deformities of the bones and spine can also interfere with walking and other kinds of movement.