my·o·to·ni·a

(mī′ə-tō′nē-ə)

Tonic spasm or temporary rigidity of one or more muscles, often characteristic of various muscular disorders.

my′o·ton′ic (-tŏn′ĭk) adj.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

myotonia

(ˌmaɪəˈtəʊnɪə)

(Medicine) lack of muscle tone, frequently including muscle spasm or rigidity. Also called: amyotonia

myotonic adj

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

my•o•to•ni•a

(ˌmaɪ əˈtoʊ ni ə)

n.

tonic muscle spasm or muscular rigidity.

[1895–1900]

my`o•ton′ic (-ˈtɒn ɪk) adj.

myotonia

a condition of tonic muscle spasm or rigidity of the muscles. — myotonic, adj.

myotonia

The inability of a muscle to relax after the need for contraction has passed.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

myotonia - abnormally long muscular contractions; slow relaxation of a muscle after a contraction

tonicity, tonus, tone - the elastic tension of living muscles, arteries, etc. that facilitate response to stimuli; "the doctor tested my tonicity"

acromyotonia - myotonia of the extremities only; causes spastic deformity of the hand or foot

myotonia congenita, Thomsen's disease - a mild, rare, congenital form of myotonia characterized by muscle stiffness

Translations

my·o·to·ni·a

n. miotonía, condición muscular con aumento en rigidez y contractibilidad muscular y disminución de relajamiento.

English-Spanish Medical Dictionary © Farlex 2012

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References in periodicals archive

Repeated discharges with doublets and triplets were observed without fibrillations, positive sharp waves (PSWs) and myotonia along with normal recruitment pattern gastrosoleus, anterior tibialis, abductor pollicis brevis, first dorsal interossei, brachioradialis bilateral.

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Some of the physical reactions against stress are shaking, muscle spasm, myotonia, cramps, and numbness in fingers and toes.

The effect of stress-induced Cortisol increase on the sense of ankle proprioception

Fasciculation, myotonia, and pathological reflex were not present.

A 'Triple Trouble' Case of Facioscapulohumeral Muscular Dystrophy Accompanied by Peripheral Neuropathy and Myoclonic Epilepsy

Myotonia: Hereditary myotonia is a collection of neuromuscular disorders characterized by prolonged contraction of the skeletal muscles after voluntary contraction or electrical stimulation.

Understanding genetic risks to buffalo populations

Schwartz-Jampel syndrome (SJS, also known as chondrodystrophic myotonia) was first reported in 1962 as a rare autosomal recessive disorder.1

Orthodontic management of a patient with Schwartz-Jampel Syndrome

The major clinical features of PD include motor symptoms (such as static tremor, bradykinesia, myotonia, and postural balance disturbance), as well as nonmotor symptoms (such as disturbances of olfactory sensation and other senses, sleep disorders, autonomic dysfunction, and cognitive disorders).

Meta-Analysis of the Relationship between the APOE Gene and the Onset of Parkinson's Disease Dementia

The disease causes multisystemic clinical manifestations such as myotonia, muscle weakness, cardiac arrhythmia, respiratory failure, and cataracts (2).

Single-Tube Dodecaplex PCR Panel of Polymorphic Microsatellite Markers Closely Linked to the DMPK CTG Repeat for Preimplantation Genetic Diagnosis of Myotonic Dystrophy Type 1

Infrequently, patients experience pain, local muscle atrophy, muscle twitching, and/or muscle tightness (i.e., myotonia) (Urbano-Marquez and Fernandez-Sola 2004).

Alcoholic myopathy: Pathophysiologic mechanisms and clinical implications

Schwartz-Jampel syndrome is a rare disease that associate short stature, myotonia, chondrodysplasia and bowed long bones.

Campomelic dysplasia with dextrocardia and without sex-reversal

This is in part from the effect of hypothermia on exacerbating the myotonia and the prolonged effect of muscle relaxants.

Anesthetic Considerations in a Patient with Myotonic Dystrophy for Hip Labral Repair