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.
The term âtremorâ most accurately refers to a small, rhythmic shaking movement that occurs in a back-and-forth pattern. However, tremor is also commonly used to refer to sudden jerking or muscle spasms of the body or extremities, such as the symptoms described for restless leg syndrome.est tremors are movements that occur while your body is at rest, such as shaking of the arms or hands while they are supported on your lap. The extent of the tremor increases during mental stress.