Flash Player 9.0.0 is required for the Video Gallery.
Get Adobe Flash Player.
Richard J. Barohn, MD, FAAN
CONTINUUM: Lifelong Learning in Neurology. 19(6, Muscle Disease):1598-1614, December 2013
Video demonstrates the characteristic paradoxical increase in myotonia with repetitive hand grips, or paramyotonia, seen in patients with paramyotonia congenita. The patient is instructed to squeeze her hand closed as tightly as she can and then open her hand quickly. This maneuver is repeated to evaluate forwarm-up of myotonia or paradoxical worsening.
Colleague's E-mail is Invalid
Your message has been successfully sent to your colleague.