motor ataxia
Học thuậtThân thiện
Definition
Noun: A neurological condition characterized by an inability to coordinate voluntary muscle movements, resulting in unsteady, clumsy movements and an uncoordinated, staggering walk (gait). It is a specific type of ataxia affecting motor control.
Usage
This is a medical and technical term. It is used to describe a clinical symptom or diagnosis related to impaired muscular coordination. - The term is typically used in clinical, neurological, and medical contexts. - It describes the observable condition, not the action of being uncoordinated.
Examples
- The patient's motor ataxia was evident in their difficulty with fine motor tasks like buttoning a shirt.
- Neurological examination revealed signs of motor ataxia, including a wide-based, staggering gait.
- Damage to the cerebellum can often lead to symptoms of motor ataxia.
Advanced Usage
- The term can be specified further based on the affected body part (e.g., affecting the torso) or the underlying cause, but "motor ataxia" itself is a broad descriptive term for the movement incoordination.
- It is often a key symptom in diagnosing various disorders, from genetic conditions like Friedreich's ataxia to acquired issues like stroke or vitamin deficiency.
Variants and Related Words
- Ataxia (n): The broader umbrella term for lack of muscle coordination, which can be sensory or motor. Motor ataxia is a subtype.
- Cerebellar ataxia (n): Ataxia specifically due to dysfunction of the cerebellum, a common cause of motor ataxia.
- Dysmetria (n): A specific feature of ataxia where there is an inability to judge the distance, range, and speed of a movement.
- Ataxic (adj): Describing movements or gait that are uncoordinated, e.g., .
Synonyms
- Incoordination (n): A more general, less clinical term for lack of coordination.
- Motor incoordination (n): A descriptive phrase similar in meaning.
Related Phrases
- Staggering gait: A common observable result of motor ataxia.
- Unsteady movements: A descriptive phrase for the primary symptom.
- Loss of coordination: A general description of the condition's effect.
Notes
- Motor ataxia is not an idiom or a phrasal verb. It is a fixed compound noun in medical terminology.
- It is important to distinguish this from other types of ataxia, such as , which results from a loss of proprioception (sense of body position) rather than a primary motor control problem.
Noun
- inability to coordinate voluntary muscle movements; unsteady movements and staggering gait