Complications may include seizures, cerebral palsy, or kernicterus. Doctors discover he has severe cerebral palsy. Puberty in young adults with cerebral palsy may be precocious or delayed. Athetosis is a commonly occurring symptom in the disease cerebral palsy. These gait patterns are among the most common gait abnormalities in children with cerebral palsy. Speech and language disorders are common in people with cerebral palsy. It has limited use for rheumatoid arthritis and cerebral palsy. However, orthopaedic manifestations of cerebral palsy are diverse. Babies born with cerebral palsy do not immediately present with symptoms. Carpal tunnel syndrome and axillary nerve palsy are examples. Their work focused mainly on patients with cerebral palsy and stroke. Muscle contractions in people with cerebral palsy are commonly thought to arise from overactivation. Genetic factors are believed to play an important role in prematurity and cerebral palsy generally. It is not useful in cerebral palsy. FES has been found to be useful for treating the symptoms of cerebral palsy.