Cerebral palsy (CP) is defined as “a group of disor­ders of the development of movement and posture, causing activity limitations that are attributed to nonprogressive disturbances that occurred in the developing fetal or infant brain” (1).

There are three major criteria for diagnosis of cerebral palsy: a neu­romotor control deficit that alters movement or pos­ture, a static brain lesion, and acquisition of the brain injury either before birth or in the first years of life. Due to the breadth of these criteria, cerebral palsy is an extremely heterogeneous diagnosis in terms of clinical presentation, etiology, and pathol­ogy. Although the brain lesions that result in cere­bral palsy are not progressive, the clinical picture of CP may change with time as the affected individual grows and develops.