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.
Knowledge center. The yips refer to a very real physical condition called focal dystonia. Dystonia is a neurologic disorder characterized by involuntary movements or spasms of small muscles.In focal hand dystonia, the fingers either curl into the palm or extend outward without control.ystonia is a neurologic disorder characterized by involuntary movements or spasms of small muscles. In focal hand dystonia, the fingers either curl into the palm or extend outward without control.