Myotonia Congenita (Becker & Thomsen Disease)
What is Myotonia Congenita?
Myotonia congenita is a disorder that affects muscles used for
movement (skeletal muscles) and is characterised by muscles failing
to relax normally after contracting which can be severe enough to
affect normal daily activities. Failure to relax causes periods of
tense muscles which is described as myotonia. It is estimated to
affect 1 in 100,000 people worldwide. This condition is more common
in northern Scandinavia, where it occurs in approximately 1 in
10,000 people. For more information about myotonia
congenita please click
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This page was reviewed 19 Feb 2016