Myotonia Congenita

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Myotonia congenita. Myotonia congenita is a disorder that affects muscles used for movement (skeletal muscles) beginning in childhood, people with this condition experience There are two form of this disorder, type one which is Becker disease and type two is thomsen disease. The difference in these types of condition are distinguished by the severity of their symptoms and their different patterns of inheritance. Becker disease is usually appears later in childhood then Thomsen disease and causes more severe muscle stiffness, more common in males. With Becker disease people often experience temporary attacks of muscle weakness, normally in the arms and hands, this is normally brought on by movement after periods of rest. They may also develop mild, permanent muscle weaken over a period of time. This is not shown in people with Thomsen disease. Although myotonia can affect any skeletal muscles, including muscles of the face and tongue, it occurs most often in the legs. Myotonia causes muscle stiffness that can interfere with movement. In some people the stiffness is very mild, while in other cases it may be severe enough to interfere with walking, running and other day to day activities in life. The muscle problems are particularly noticeable during movements following periods of rest. Many affected individuals find that repeated movements can temporarily alleviate their muscle stiffness, a phenomenon known as the warm-up effect. .…show more content…
Adrenaline/epinephrine is well known to make myotonia worse in most individuals with the disorder, and a person with myotonia congenita may experience a sudden increase in difficulty with mobility in a particularly stressful situation during which adrenaline is

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