eccolo74/iStock/Getty Images. Technically, there is a difference between a pyramid scheme and a MLM, although I'm using the names interchangeably in this article because there is A LOT of overlap between the two. Pyramid schemes, in theory, emphasize recruiting new sellers over actually selling product, but in the end, they do both.
Dystonia is a movement disorder characterized by involuntary muscle contraction leading to abnormal postures and twisting movements. The frequency of this disorder is similar to multiple sclerosis. Several types are known and they are classified according to age of onset, distribution of dystonia, and cause.ovement Disorders Program-Introduction. Movement disorders are neurological diseases characterized by an abnormality of motor control because of diminished voluntary movements or increased involuntary movements.
These movements are called 'hypnic jerks'. Most people are also familiar with the random body 'shudder' that some people get. This is sometimes described as 'walking on someones grave' because of the way it moves quickly through the body. The occasional hypnic jerk or a body shudder are normal. But in functional myoclonus the jerks become a frequent and disabling problem. There may be jerks of the arms or legs, or quite commonly there is jerking in the body.The movements cannot be controlled (ie they are involuntary)