Erb's palsy, also called a brachial plexus injury, is an all too frequent birth injury. Out of 1,000 births, one or two children suffer this injury, which causes loss of motion and feeling in the arm.
Cerebral palsy is a group of neurological disorders. Cerebral means related to the cerebrum, the dominant part of the brain that controls muscle movement, memory, the ability to learn, and communication skills. Palsy means partial or complete muscle paralysis.