Posturing (especially abnormal extensor thrusting)
Oropharyngeal problems (tongue thrusts, grimacing, W swallowing difficulties)
Tone increased or decreased in muscles
Evolutional responses (ie, persistent primitive reflexes or failure to develop equilibrium and protective responses)
Reflexes (ie, deep tendon reflexes are increased and plantar reflexes are up going.

In order to diagnose CP require four criteria in a child older than one year who has no evidence of a progressive disease by history