Myotonia happens when your muscles don’t relax as they should after they contract. It can impact muscles throughout your body and may cause other symptoms depending on the type of myotonia.

Myotonia is a symptom of a small handful of certain neuromuscular disorders characterized by delayed relaxation (prolonged contraction) of the skeletal muscles after voluntary contraction or electrical …

Dec 18, 2025 · Myotonia is a neuromuscular disorder characterized by the delayed relaxation of muscles after voluntary contraction. This condition can significantly impact an individual's quality of life, …

Myotonia is a medical term that refers to a neuromuscular condition in which the relaxation of a muscle is impaired. It can affect any muscle group. Repeated effort will be needed to relax the muscle, …

Myotonia is, by definition, the impairment of relaxation of skeletal muscles after voluntary contraction or electrical stimulation. Many etiologies result in myotonia, including dystrophic and non-dystrophic …

Myotonia is a condition where a person has trouble relaxing muscles after they contract. It can result in symptoms like muscle pain, weakness, and fatigue, often because the muscle remains contracted for …

Nov 7, 2023 · Myotonia describes symptoms experienced by individuals experiencing impaired muscle relaxation (prolonged contraction). Neuromuscular disorders could cause myotonia and are best …

Dec 12, 2025 · Learn how faulty ion channels cause muscle stiffness (myotonia). Explore the genetic types, symptoms, diagnosis, and effective treatments.

Aug 28, 2024 · Learn about Myotonia, its causes, symptoms, and various treatment and coping strategies for managing this condition.

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.