myotonia
/ˌmaɪəˈtoʊniə/
noun
- A medical condition in which muscles are slow to relax after contracting, causing stiffness or cramping.
- Cold weather can make the symptoms of myotonia worse for some individuals.
- People with myotonia often experience muscle stiffness when they try to move quickly after resting.
- The doctor explained that myotonia makes it hard for patients to release their grip after shaking hands.