<unk> , when used singularly, refers to paralysis affecting symmetrical parts of the body. This is different from hemiplegia which refers to spasticity restricted to one side of the body, paraplegia which refers to paralysis restricted to the legs and hip, and quadriplegia which requires the involvement of all four limbs but not necessarily symmetrical.<unk>  is the most common cause of crippling in children, specifically in children with cerebral palsy. Other causes may be due to injury of the spinal cord. There is no set course of progression for people with<unk> . Symptoms may get worse but the neurological part does not change. The primary parts of the brain that are affected by<unk>  are the ventricles, fluid filled compartments in the brain, and the wiring from the center of the brain to the cerebral cortex. There is also usually some degeneration of the cerebral neurons, as well as problems in the upper motor neuron system. The term<unk>  can refer to any bodily area, such as the face, arms, or legs.
Diplegia
Paraplegia
Hemimotor neglect
Spastic diplegia
Hemiparesis
Spastic hemiplegia
Dyskinesia
Triparesis