Prolonged failure of muscle relaxation after contraction. This may occur after voluntary contractions, muscle percussion, or electrical stimulation of the muscle. Myotonia is a characteristic feature of MYOTONIC DISORDERS.
Phase 3 trials (3)
Phase 2 trials (2)
Phase 1 trials (1)
Organization Involved with Phase 3 Indications (2)
Organization Involved with Phase 2 Indications (6)