the most common type of cerebral palsy among preemies, it is characterized by stiff ("spastic") muscle tone, affecting mainly the legs and feet ("diplegia").
Cerebral Palsy is classified according to the number of limbs involved. One side of the brain controls the opposite side of the body so that when one side of the brain is damaged the effects are seen on the other side of the body. Medical practitioners classify spastic cerebral palsy as follows: Spastic Quadriplegia - all 4 of the limbs are involved Spastic Diplegia - all 4 limbs are involved though the legs are usually affected more than the arms Spastic Hemiplegia - one side of the body is affected, usually the arm more than the leg Spastic Triplegia - 3 limbs are involved, usually one leg and both arms Spastic Monoplegia - 1 limb is affected, usually an arm
(or diparesis) - a form of cerebral palsy in which spasticity affects both legs, but the arms are relatively or completely spared.