ILGenWeb | USGenWeb | WorldGenWeb. My name is Mary Kathryn Kozy, and I'm the County Coordinator for Lawrence County. I want to thank Allison Mushrush, Celia Tomlin, and Laurel Treat for the work they have done on the site in past years. This site is part of the Illinois GenWeb Project which is a part of the USGenWeb Project.
Periodic Limb Movement Disorder. Periodic limb movement disorder involves a rhythmic jerking of the legs and sometimes arms, which may result in poor quality sleep and daytime fatigue. Unlike restless leg syndrome, these movements are involuntary and usually take place when a person is asleep.
Common movement disorders include the following: 1  Parkinsonâs disease is a neurodegenerative disorder characterized by symptoms such as tremors, slowed movements, and rigidity in the arms and legs. 2  Dystonia is a painful condition causing muscles to twist, shake, or contract into abnormal postures. Huntingtonâs disease is an inherited condition causing the progressive degeneration of nerve cells in the brain, resulting in abnormal body movements and mental impairment.