There are a number of symptoms associated with monoplegia. These symptoms include headaches, seizures, ataxia, vomiting, monoplegia, and hemiplegia. Many conditions that cause paraplegia or quadriplegia begin as monoplegia. Another form of treatment for monoplegia is functional electrical stimulation (FES). Some potential causes of monoplegia are listed below. In addition, multiple cerebral disorders that cause hemiplegia may begin as monoplegia. Monoplegia is a condition that impacts only one limb. Monoplegia is a type of paralysis that falls under hemiplegia. Monoplegia is paralysis of a single limb, usually an arm. If only one limb is affected, the correct term is monoplegia.