Causes/Incidence:
Causes:
Caused by a congenital anomaly, impairments caused by disease (e.g., poliomyelitis, bone tuberculosis), and impairments from other causes (e.g.,cerebral palsy, amputations, and fractures or burns that cause contractures).
Incidence:
The U.S. Department of Education reports 5,971,495 students receiving special education services in the 2003-2004 school year. Of that number, roughly 1.1%, or 68,188 students, received special education services based on a classification of orthopedic impairments.