Abnormal muscle tone (most common)
Hypertonia > hypotonia
Intellectual disability (30-50%)
Speech and language impairment
Ophthalmologic impairment
Hearing impairment
Oromotor dysfunction
Epilepsy
Disease classified according to resting tone and limb involvement
Hypertonia > hypotonia
Cerebral palsy
Neuromuscular weakness
Hydrocephalus
UMN:
Vaughn Jackson syndrome
CVA 
Brachial plexus injury
Hemorrhagic stroke