dyssynergia
Học thuậtThân thiện
Definition
Noun: 1. A neurological condition characterized by an inability to coordinate voluntary muscle movements: Dyssynergia refers to a breakdown in the coordinated action of muscle groups, resulting in unsteady, jerky, or inefficient movement. It is a sign of dysfunction in the cerebellum or its pathways.
Usage
Dyssynergia is a medical term used primarily in clinical and neurological contexts to describe impaired muscle coordination. - It is often observed in conditions affecting the cerebellum, such as multiple sclerosis, cerebellar ataxia, or after a stroke. - The term specifically denotes a lack of synergy (cooperative action) between muscles that normally work together smoothly.
Examples
- The patient's dyssynergia made simple tasks like reaching for a cup difficult and uncoordinated.
- A common symptom of cerebellar damage is dyssynergia, leading to a staggering gait.
- The neurologist noted signs of dyssynergia during the finger-to-nose test.
Advanced Usage
- Cerebellar dyssynergia: A more specific term indicating that the lack of coordination originates from cerebellar dysfunction.
- Detrusor-sphincter dyssynergia (DSD): A specialized urological term for a condition where the bladder muscle (detrusor) and the urinary sphincter do not coordinate properly during voiding.
Variants and Related Words
- Asynergia (noun): Often used synonymously with dyssynergia to mean lack of coordination.
- Ataxia (noun): A broader term for lack of muscle control during voluntary movements, such as walking or picking up objects; dyssynergia is a type of ataxia.
- Dysmetria (noun): A related condition involving the inability to judge the distance or range of a movement, often co-occurs with dyssynergia.
Synonyms
- Incoordination
- Motor incoordination
- Asynergy
Antonyms
- Coordination
- Synergy
- Motor coordination
Noun
- inability to coordinate voluntary muscle movements; unsteady movements and staggering gait