Background Definition Non-progressive lesion of motor pathways in brain, presenting in infancy (<2 years). Causes a disorder of movement and posture – a motor developmental delay – and may affect other developmental domains – a global developmental delay. Causes and risk factors In-utero (80%): vascular occlusion, cortical malformation, maternal infection, prematurity, low birth weight. Birth (10%): hypoxic injury. Neonatal (10%): infection, kernicterus. Sub-types 3 sub-types, though can be mixed: Spastic CP (80%): may have initial hypotonia, then spastic hemiplegia, quadriplegia, or diplegia (usually in legs). Ataxic hypotonic CP: initial hypotonia, then incoordination, intention tremor, and ataxic gait. Dyskinetic CP: chorea, athetosis. Signs and symptoms General: Neonate with abnormal tone or posture. Persistent primitive reflexes. Missed motor milestones. Hyper-reflexia. Legs: Abnormal gait. Tiptoe walking. Leg scissoring. Hands: Asymmetric hand function under 12 months. Hand fi...