107:. The way humans move requires many parts of the brain to work together to perform a complex process. The brain must send signals to the muscles instructing them to perform a certain action. There are constant signals being sent to and from the brain and the muscles that regulate the details of the movement such as speed and direction, so when a certain part of the brain malfunctions, the signals can be incorrect or uncontrollable causing involuntary or uncontrollable actions or movements.
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Tremor is the uncontrollable shaking of an arm or a leg. Twitches or jerks of body parts may occur due to a startling sound or unexpected, sudden pain. Spasms and contractions are temporary abnormal resting positions of hands or feet. Spasms are temporary while contractions could be permanent. Gait
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Motor disorders are malfunctions of the nervous system that cause involuntary or uncontrollable movements or actions of the body. These disorders can cause lack of intended movement or an excess of involuntary movement. Symptoms of motor disorders include tremors, jerks, twitches, spasms,
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Pathological changes of certain areas of the brain are the main causes of most motor disorders. Causes of motor disorders by genetic mutation usually affect the
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problems are problems with the way one walks or runs. This can mean an unsteady pace or dragging of the feet along with other possible irregularities.
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Stone, Jon. "Functional Tremor/ Spasms / Walking
Problems and Other Functional Movement Disorders." Movement Disorders.
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Mandal, Ananya, MD. "What Are
Movement Disorders?" News-Medical.net. AZO Network, 14 Oct. 2014. Web. 10 Nov. 2016.
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that cause abnormal and involuntary movements. They can result from damage to the
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58:(DSM-5) – published in 2013 to replace the fourth text revision (
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Motor disorders are defined in the fifth edition of the
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Symptoms and signs: Nervous and musculoskeletal systems
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Pathophysiology of
Cerebellar-induced Motor Disorders
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66:. The DSM-5 motor disorders include
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171:on November 17, 2017
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175:October 5,
150:References
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111:Diagnosis
60:DSM-IV-TR
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308:History
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